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GitHub - jhuckaby/wperf: A simple HTTP load testing utility with detailed performance metrics.
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d="M12 1C5.9225 1 1 5.9225 1 12C1 16.8675 4.14875 20.9787 8.52125 22.4362C9.07125 22.5325 9.2775 22.2025 9.2775 21.9137C9.2775 21.6525 9.26375 20.7862 9.26375 19.865C6.5 20.3737 5.785 19.1912 5.565 18.5725C5.44125 18.2562 4.905 17.28 4.4375 17.0187C4.0525 16.8125 3.5025 16.3037 4.42375 16.29C5.29 16.2762 5.90875 17.0875 6.115 17.4175C7.105 19.0812 8.68625 18.6137 9.31875 18.325C9.415 17.61 9.70375 17.1287 10.02 16.8537C7.5725 16.5787 5.015 15.63 5.015 11.4225C5.015 10.2262 5.44125 9.23625 6.1425 8.46625C6.0325 8.19125 5.6475 7.06375 6.2525 5.55125C6.2525 5.55125 7.17375 5.2625 9.2775 6.67875C10.1575 6.43125 11.0925 6.3075 12.0275 6.3075C12.9625 6.3075 13.8975 6.43125 14.7775 6.67875C16.8813 5.24875 17.8025 5.55125 17.8025 5.55125C18.4075 7.06375 18.0225 8.19125 17.9125 8.46625C18.6138 9.23625 19.04 10.2125 19.04 11.4225C19.04 15.6437 16.4688 16.5787 14.0213 16.8537C14.42 17.1975 14.7638 17.8575 14.7638 18.8887C14.7638 20.36 14.75 21.5425 14.75 21.9137C14.75 22.2025 14.9563 22.5462 15.5063 22.4362C19.8513 20.9787 23 16.8537 23 12C23 5.9225 18.0775 1 12 1Z"></path> </svg> </a> <div class="flex-1 flex-order-2 text-right"> <a href="/login?return_to=https%3A%2F%2Fgithub.com%2Fjhuckaby%2Fwperf" class="HeaderMenu-link HeaderMenu-button d-inline-flex d-lg-none flex-order-1 f5 no-underline border color-border-default rounded-2 px-2 py-1 color-fg-inherit js-prevent-focus-on-mobile-nav" data-hydro-click="{"event_type":"authentication.click","payload":{"location_in_page":"site header menu","repository_id":null,"auth_type":"SIGN_UP","originating_url":"https://github.com/jhuckaby/wperf","user_id":null}}" data-hydro-click-hmac="81a446e71cd66074bcccc52f7f042cf7fe5ac280151f2559405f578bc1ad5ac8" data-analytics-event="{"category":"Marketing nav","action":"click to Sign in","label":"ref_page:Marketing;ref_cta:Sign in;ref_loc:Header"}" > Sign in </a> </div> </div> <div class="HeaderMenu js-header-menu height-fit position-lg-relative d-lg-flex flex-column flex-auto top-0"> <div class="HeaderMenu-wrapper d-flex flex-column flex-self-start flex-lg-row flex-auto rounded rounded-lg-0"> <nav class="HeaderMenu-nav" aria-label="Global"> <ul class="d-lg-flex list-style-none"> <li class="HeaderMenu-item position-relative flex-wrap flex-justify-between flex-items-center d-block d-lg-flex flex-lg-nowrap flex-lg-items-center js-details-container js-header-menu-item"> <button type="button" class="HeaderMenu-link border-0 width-full width-lg-auto px-0 px-lg-2 py-lg-2 no-wrap d-flex flex-items-center flex-justify-between js-details-target" aria-expanded="false"> Product <svg opacity="0.5" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-chevron-down HeaderMenu-icon ml-1"> <path d="M12.78 5.22a.749.749 0 0 1 0 1.06l-4.25 4.25a.749.749 0 0 1-1.06 0L3.22 6.28a.749.749 0 1 1 1.06-1.06L8 8.939l3.72-3.719a.749.749 0 0 1 1.06 0Z"></path> </svg> </button> <div class="HeaderMenu-dropdown dropdown-menu rounded m-0 p-0 pt-2 pt-lg-4 position-relative position-lg-absolute left-0 left-lg-n3 pb-2 pb-lg-4 d-lg-flex flex-wrap dropdown-menu-wide"> <div class="HeaderMenu-column px-lg-4 border-lg-right mb-4 mb-lg-0 pr-lg-7"> <div class="border-bottom pb-3 pb-lg-0 border-lg-bottom-0"> <ul class="list-style-none f5" > <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description pb-lg-3" data-analytics-event="{"location":"navbar","action":"github_copilot","context":"product","tag":"link","label":"github_copilot_link_product_navbar"}" href="https://github.com/features/copilot"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-copilot color-fg-subtle mr-3"> <path d="M23.922 16.992c-.861 1.495-5.859 5.023-11.922 5.023-6.063 0-11.061-3.528-11.922-5.023A.641.641 0 0 1 0 16.736v-2.869a.841.841 0 0 1 .053-.22c.372-.935 1.347-2.292 2.605-2.656.167-.429.414-1.055.644-1.517a10.195 10.195 0 0 1-.052-1.086c0-1.331.282-2.499 1.132-3.368.397-.406.89-.717 1.474-.952 1.399-1.136 3.392-2.093 6.122-2.093 2.731 0 4.767.957 6.166 2.093.584.235 1.077.546 1.474.952.85.869 1.132 2.037 1.132 3.368 0 .368-.014.733-.052 1.086.23.462.477 1.088.644 1.517 1.258.364 2.233 1.721 2.605 2.656a.832.832 0 0 1 .053.22v2.869a.641.641 0 0 1-.078.256ZM12.172 11h-.344a4.323 4.323 0 0 1-.355.508C10.703 12.455 9.555 13 7.965 13c-1.725 0-2.989-.359-3.782-1.259a2.005 2.005 0 0 1-.085-.104L4 11.741v6.585c1.435.779 4.514 2.179 8 2.179 3.486 0 6.565-1.4 8-2.179v-6.585l-.098-.104s-.033.045-.085.104c-.793.9-2.057 1.259-3.782 1.259-1.59 0-2.738-.545-3.508-1.492a4.323 4.323 0 0 1-.355-.508h-.016.016Zm.641-2.935c.136 1.057.403 1.913.878 2.497.442.544 1.134.938 2.344.938 1.573 0 2.292-.337 2.657-.751.384-.435.558-1.15.558-2.361 0-1.14-.243-1.847-.705-2.319-.477-.488-1.319-.862-2.824-1.025-1.487-.161-2.192.138-2.533.529-.269.307-.437.808-.438 1.578v.021c0 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class="octicon octicon-shield-check color-fg-subtle mr-3"> <path d="M16.53 9.78a.75.75 0 0 0-1.06-1.06L11 13.19l-1.97-1.97a.75.75 0 0 0-1.06 1.06l2.5 2.5a.75.75 0 0 0 1.06 0l5-5Z"></path><path d="m12.54.637 8.25 2.675A1.75 1.75 0 0 1 22 4.976V10c0 6.19-3.771 10.704-9.401 12.83a1.704 1.704 0 0 1-1.198 0C5.77 20.705 2 16.19 2 10V4.976c0-.758.489-1.43 1.21-1.664L11.46.637a1.748 1.748 0 0 1 1.08 0Zm-.617 1.426-8.25 2.676a.249.249 0 0 0-.173.237V10c0 5.46 3.28 9.483 8.43 11.426a.199.199 0 0 0 .14 0C17.22 19.483 20.5 15.461 20.5 10V4.976a.25.25 0 0 0-.173-.237l-8.25-2.676a.253.253 0 0 0-.154 0Z"></path> </svg> <div> <div class="color-fg-default h4">Security</div> Find and fix vulnerabilities </div> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description pb-lg-3" data-analytics-event="{"location":"navbar","action":"actions","context":"product","tag":"link","label":"actions_link_product_navbar"}" href="https://github.com/features/actions"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-workflow color-fg-subtle mr-3"> <path d="M1 3a2 2 0 0 1 2-2h6.5a2 2 0 0 1 2 2v6.5a2 2 0 0 1-2 2H7v4.063C7 16.355 7.644 17 8.438 17H12.5v-2.5a2 2 0 0 1 2-2H21a2 2 0 0 1 2 2V21a2 2 0 0 1-2 2h-6.5a2 2 0 0 1-2-2v-2.5H8.437A2.939 2.939 0 0 1 5.5 15.562V11.5H3a2 2 0 0 1-2-2Zm2-.5a.5.5 0 0 0-.5.5v6.5a.5.5 0 0 0 .5.5h6.5a.5.5 0 0 0 .5-.5V3a.5.5 0 0 0-.5-.5ZM14.5 14a.5.5 0 0 0-.5.5V21a.5.5 0 0 0 .5.5H21a.5.5 0 0 0 .5-.5v-6.5a.5.5 0 0 0-.5-.5Z"></path> </svg> <div> <div class="color-fg-default h4">Actions</div> Automate any workflow </div> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description pb-lg-3" data-analytics-event="{"location":"navbar","action":"codespaces","context":"product","tag":"link","label":"codespaces_link_product_navbar"}" href="https://github.com/features/codespaces"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-codespaces color-fg-subtle mr-3"> <path d="M3.5 3.75C3.5 2.784 4.284 2 5.25 2h13.5c.966 0 1.75.784 1.75 1.75v7.5A1.75 1.75 0 0 1 18.75 13H5.25a1.75 1.75 0 0 1-1.75-1.75Zm-2 12c0-.966.784-1.75 1.75-1.75h17.5c.966 0 1.75.784 1.75 1.75v4a1.75 1.75 0 0 1-1.75 1.75H3.25a1.75 1.75 0 0 1-1.75-1.75ZM5.25 3.5a.25.25 0 0 0-.25.25v7.5c0 .138.112.25.25.25h13.5a.25.25 0 0 0 .25-.25v-7.5a.25.25 0 0 0-.25-.25Zm-2 12a.25.25 0 0 0-.25.25v4c0 .138.112.25.25.25h17.5a.25.25 0 0 0 .25-.25v-4a.25.25 0 0 0-.25-.25Z"></path><path d="M10 17.75a.75.75 0 0 1 .75-.75h6.5a.75.75 0 0 1 0 1.5h-6.5a.75.75 0 0 1-.75-.75Zm-4 0a.75.75 0 0 1 .75-.75h.5a.75.75 0 0 1 0 1.5h-.5a.75.75 0 0 1-.75-.75Z"></path> </svg> <div> <div class="color-fg-default h4">Codespaces</div> Instant dev environments </div> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description pb-lg-3" data-analytics-event="{"location":"navbar","action":"issues","context":"product","tag":"link","label":"issues_link_product_navbar"}" href="https://github.com/features/issues"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-issue-opened color-fg-subtle mr-3"> <path d="M12 1c6.075 0 11 4.925 11 11s-4.925 11-11 11S1 18.075 1 12 5.925 1 12 1ZM2.5 12a9.5 9.5 0 0 0 9.5 9.5 9.5 9.5 0 0 0 9.5-9.5A9.5 9.5 0 0 0 12 2.5 9.5 9.5 0 0 0 2.5 12Zm9.5 2a2 2 0 1 1-.001-3.999A2 2 0 0 1 12 14Z"></path> </svg> <div> <div class="color-fg-default h4">Issues</div> Plan and track work </div> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description pb-lg-3" data-analytics-event="{"location":"navbar","action":"code_review","context":"product","tag":"link","label":"code_review_link_product_navbar"}" href="https://github.com/features/code-review"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-code-review color-fg-subtle mr-3"> <path d="M10.3 6.74a.75.75 0 0 1-.04 1.06l-2.908 2.7 2.908 2.7a.75.75 0 1 1-1.02 1.1l-3.5-3.25a.75.75 0 0 1 0-1.1l3.5-3.25a.75.75 0 0 1 1.06.04Zm3.44 1.06a.75.75 0 1 1 1.02-1.1l3.5 3.25a.75.75 0 0 1 0 1.1l-3.5 3.25a.75.75 0 1 1-1.02-1.1l2.908-2.7-2.908-2.7Z"></path><path d="M1.5 4.25c0-.966.784-1.75 1.75-1.75h17.5c.966 0 1.75.784 1.75 1.75v12.5a1.75 1.75 0 0 1-1.75 1.75h-9.69l-3.573 3.573A1.458 1.458 0 0 1 5 21.043V18.5H3.25a1.75 1.75 0 0 1-1.75-1.75ZM3.25 4a.25.25 0 0 0-.25.25v12.5c0 .138.112.25.25.25h2.5a.75.75 0 0 1 .75.75v3.19l3.72-3.72a.749.749 0 0 1 .53-.22h10a.25.25 0 0 0 .25-.25V4.25a.25.25 0 0 0-.25-.25Z"></path> </svg> <div> <div class="color-fg-default h4">Code Review</div> Manage code changes </div> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description pb-lg-3" data-analytics-event="{"location":"navbar","action":"discussions","context":"product","tag":"link","label":"discussions_link_product_navbar"}" href="https://github.com/features/discussions"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-comment-discussion color-fg-subtle mr-3"> <path d="M1.75 1h12.5c.966 0 1.75.784 1.75 1.75v9.5A1.75 1.75 0 0 1 14.25 14H8.061l-2.574 2.573A1.458 1.458 0 0 1 3 15.543V14H1.75A1.75 1.75 0 0 1 0 12.25v-9.5C0 1.784.784 1 1.75 1ZM1.5 2.75v9.5c0 .138.112.25.25.25h2a.75.75 0 0 1 .75.75v2.19l2.72-2.72a.749.749 0 0 1 .53-.22h6.5a.25.25 0 0 0 .25-.25v-9.5a.25.25 0 0 0-.25-.25H1.75a.25.25 0 0 0-.25.25Z"></path><path d="M22.5 8.75a.25.25 0 0 0-.25-.25h-3.5a.75.75 0 0 1 0-1.5h3.5c.966 0 1.75.784 1.75 1.75v9.5A1.75 1.75 0 0 1 22.25 20H21v1.543a1.457 1.457 0 0 1-2.487 1.03L15.939 20H10.75A1.75 1.75 0 0 1 9 18.25v-1.465a.75.75 0 0 1 1.5 0v1.465c0 .138.112.25.25.25h5.5a.75.75 0 0 1 .53.22l2.72 2.72v-2.19a.75.75 0 0 1 .75-.75h2a.25.25 0 0 0 .25-.25v-9.5Z"></path> </svg> <div> <div class="color-fg-default h4">Discussions</div> Collaborate outside of code </div> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary d-flex flex-items-center Link--has-description" data-analytics-event="{"location":"navbar","action":"code_search","context":"product","tag":"link","label":"code_search_link_product_navbar"}" href="https://github.com/features/code-search"> <svg aria-hidden="true" height="24" viewBox="0 0 24 24" version="1.1" width="24" data-view-component="true" class="octicon octicon-code-square color-fg-subtle mr-3"> <path d="M10.3 8.24a.75.75 0 0 1-.04 1.06L7.352 12l2.908 2.7a.75.75 0 1 1-1.02 1.1l-3.5-3.25a.75.75 0 0 1 0-1.1l3.5-3.25a.75.75 0 0 1 1.06.04Zm3.44 1.06a.75.75 0 1 1 1.02-1.1l3.5 3.25a.75.75 0 0 1 0 1.1l-3.5 3.25a.75.75 0 1 1-1.02-1.1l2.908-2.7-2.908-2.7Z"></path><path d="M2 3.75C2 2.784 2.784 2 3.75 2h16.5c.966 0 1.75.784 1.75 1.75v16.5A1.75 1.75 0 0 1 20.25 22H3.75A1.75 1.75 0 0 1 2 20.25Zm1.75-.25a.25.25 0 0 0-.25.25v16.5c0 .138.112.25.25.25h16.5a.25.25 0 0 0 .25-.25V3.75a.25.25 0 0 0-.25-.25Z"></path> </svg> <div> <div class="color-fg-default h4">Code Search</div> Find more, search less </div> </a></li> </ul> </div> </div> <div class="HeaderMenu-column px-lg-4"> <div class="border-bottom pb-3 pb-lg-0 border-lg-bottom-0 border-bottom-0"> <span class="d-block h4 color-fg-default my-1" id="product-explore-heading">Explore</span> <ul class="list-style-none f5" 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0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 12.25v-8.5C2 2.784 2.784 2 3.75 2Zm6.854-1h4.146a.25.25 0 0 1 .25.25v4.146a.25.25 0 0 1-.427.177L13.03 4.03 9.28 7.78a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042l3.75-3.75-1.543-1.543A.25.25 0 0 1 10.604 1Z"></path> </svg> </a></li> <li> <a class="HeaderMenu-dropdown-link d-block no-underline position-relative py-2 Link--secondary Link--external" target="_blank" data-analytics-event="{"location":"navbar","action":"github_skills","context":"product","tag":"link","label":"github_skills_link_product_navbar"}" href="https://skills.github.com"> GitHub Skills <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-link-external HeaderMenu-external-icon color-fg-subtle"> <path d="M3.75 2h3.5a.75.75 0 0 1 0 1.5h-3.5a.25.25 0 0 0-.25.25v8.5c0 .138.112.25.25.25h8.5a.25.25 0 0 0 .25-.25v-3.5a.75.75 0 0 1 1.5 0v3.5A1.75 1.75 0 0 1 12.25 14h-8.5A1.75 1.75 0 0 1 2 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2.093.584.235 1.077.546 1.474.952.85.869 1.132 2.037 1.132 3.368 0 .368-.014.733-.052 1.086.23.462.477 1.088.644 1.517 1.258.364 2.233 1.721 2.605 2.656a.832.832 0 0 1 .053.22v2.869a.641.641 0 0 1-.078.256ZM12.172 11h-.344a4.323 4.323 0 0 1-.355.508C10.703 12.455 9.555 13 7.965 13c-1.725 0-2.989-.359-3.782-1.259a2.005 2.005 0 0 1-.085-.104L4 11.741v6.585c1.435.779 4.514 2.179 8 2.179 3.486 0 6.565-1.4 8-2.179v-6.585l-.098-.104s-.033.045-.085.104c-.793.9-2.057 1.259-3.782 1.259-1.59 0-2.738-.545-3.508-1.492a4.323 4.323 0 0 1-.355-.508h-.016.016Zm.641-2.935c.136 1.057.403 1.913.878 2.497.442.544 1.134.938 2.344.938 1.573 0 2.292-.337 2.657-.751.384-.435.558-1.15.558-2.361 0-1.14-.243-1.847-.705-2.319-.477-.488-1.319-.862-2.824-1.025-1.487-.161-2.192.138-2.533.529-.269.307-.437.808-.438 1.578v.021c0 .265.021.562.063.893Zm-1.626 0c.042-.331.063-.628.063-.894v-.02c-.001-.77-.169-1.271-.438-1.578-.341-.391-1.046-.69-2.533-.529-1.505.163-2.347.537-2.824 1.025-.462.472-.705 1.179-.705 2.319 0 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6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path> </svg></button> </div> </div> </div> <scrollable-region data-labelled-by="custom-scopes-dialog-title"> <div data-view-component="true" class="Overlay-body"> <div data-target="custom-scopes.customScopesModalDialogFlash"></div> <div hidden class="create-custom-scope-form" data-target="custom-scopes.createCustomScopeForm"> <!-- '"` --><!-- </textarea></xmp> --></option></form><form id="custom-scopes-dialog-form" data-turbo="false" action="/search/custom_scopes" accept-charset="UTF-8" method="post"><input type="hidden" data-csrf="true" name="authenticity_token" value="lcyg6C2OE+hmaMSnM+KefZnRmdKnnMc+Z/klVVCPUX2jelnK9ZSXzuPa9G6/WME7xG+5MYjwVt/91Wamtl5t9w==" /> <div data-target="custom-scopes.customScopesModalDialogFlash"></div> <input type="hidden" 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0 0 .75-.75v-.878a2.25 2.25 0 1 1 1.5 0v.878a2.25 2.25 0 0 1-2.25 2.25h-1.5v2.128a2.251 2.251 0 1 1-1.5 0V8.5h-1.5A2.25 2.25 0 0 1 3.5 6.25v-.878a2.25 2.25 0 1 1 1.5 0ZM5 3.25a.75.75 0 1 0-1.5 0 .75.75 0 0 0 1.5 0Zm6.75.75a.75.75 0 1 0 0-1.5.75.75 0 0 0 0 1.5Zm-3 8.75a.75.75 0 1 0-1.5 0 .75.75 0 0 0 1.5 0Z"></path> </svg> <span class="text-bold">9</span> forks </a> <a class="Link--secondary no-underline mr-3 d-inline-block" href="/jhuckaby/wperf/branches"> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-git-branch mr-1"> <path d="M9.5 3.25a2.25 2.25 0 1 1 3 2.122V6A2.5 2.5 0 0 1 10 8.5H6a1 1 0 0 0-1 1v1.128a2.251 2.251 0 1 1-1.5 0V5.372a2.25 2.25 0 1 1 1.5 0v1.836A2.493 2.493 0 0 1 6 7h4a1 1 0 0 0 1-1v-.628A2.25 2.25 0 0 1 9.5 3.25Zm-6 0a.75.75 0 1 0 1.5 0 .75.75 0 0 0-1.5 0Zm8.25-.75a.75.75 0 1 0 0 1.5.75.75 0 0 0 0-1.5ZM4.25 12a.75.75 0 1 0 0 1.5.75.75 0 0 0 0-1.5Z"></path> </svg> <span>Branches</span> 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id="repo-content-turbo-frame" target="_top" data-turbo-action="advance" class=""> <div id="repo-content-pjax-container" class="repository-content " > <h1 class='sr-only'>jhuckaby/wperf</h1> <div class="clearfix container-xl px-md-4 px-lg-5 px-3"> <div> <div style="max-width: 100%" data-view-component="true" class="Layout Layout--flowRow-until-md react-repos-overview-margin Layout--sidebarPosition-end Layout--sidebarPosition-flowRow-end"> <div data-view-component="true" class="Layout-main"> <script crossorigin="anonymous" defer="defer" type="application/javascript" src="https://github.githubassets.com/assets/vendors-node_modules_dompurify_dist_purify_es_mjs-dd1d3ea6a436.js"></script> <script crossorigin="anonymous" defer="defer" type="application/javascript" src="https://github.githubassets.com/assets/vendors-node_modules_tanstack_query-core_build_modern_queryObserver_js-node_modules_tanstack_-defd52-843b41414e0e.js"></script> <script crossorigin="anonymous" defer="defer" 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href=\"#overview\"\u003eOverview\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"#progress-display\"\u003eProgress Display\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#completed-output\"\u003eCompleted Output\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#usage\"\u003eUsage\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"#configuration-options\"\u003eConfiguration Options\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"#url\"\u003eurl\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#params\"\u003eparams\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#max\"\u003emax\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#threads\"\u003ethreads\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#keepalive\"\u003ekeepalive\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#throttle\"\u003ethrottle\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#timeout\"\u003etimeout\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#warn\"\u003ewarn\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#warnings\"\u003ewarnings\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#fatal\"\u003efatal\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#verbose\"\u003everbose\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#cache_dns\"\u003ecache_dns\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#auth\"\u003eauth\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#compress\"\u003ecompress\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#useragent\"\u003euseragent\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#follow\"\u003efollow\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#retries\"\u003eretries\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#insecure\"\u003einsecure\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#headers\"\u003eheaders\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#method\"\u003emethod\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#data\"\u003edata\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#multipart\"\u003emultipart\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#files\"\u003efiles\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#success_match\"\u003esuccess_match\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#error_match\"\u003eerror_match\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#histo\"\u003ehisto\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#histo_ranges\"\u003ehisto_ranges\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#stats\"\u003estats\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#quiet\"\u003equiet\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#color\"\u003ecolor\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#wrapper-advanced\"\u003ewrapper (Advanced)\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"#wrapper-constructor\"\u003eWrapper Constructor\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#wrapper-method-hook\"\u003eWrapper Method Hook\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#related\"\u003eRelated\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"#license-mit\"\u003eLicense (MIT)\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/details\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch1 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eOverview\u003c/h1\u003e\u003ca id=\"user-content-overview\" class=\"anchor\" aria-label=\"Permalink: Overview\" href=\"#overview\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWebPerf\u003c/strong\u003e (\u003ccode\u003ewperf\u003c/code\u003e) is a simple command-line HTTP load tester utility, which can send repeated HTTP requests to a target URL or set of URLs. It provides detailed performance metrics, including a breakdown of all the HTTP request phases, and a histogram showing the elapsed time spread.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThis is similar to the popular \u003ca href=\"http://httpd.apache.org/docs/2.4/programs/ab.html\" rel=\"nofollow\"\u003eApacheBench\u003c/a\u003e (\u003ccode\u003eab\u003c/code\u003e) tool, but provides additional features like dynamic URL substitution, progress display with time remaining and live req/sec, a more detailed performance breakdown, and the ability to save configurations in JSON files.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eDuring a run, the script will display a graphical progress bar with estimated time remaining, and the current requests per second. You can also hit \u003cstrong\u003eCtrl+Z\u003c/strong\u003e to output an in-progress report, and of course \u003cstrong\u003eCtrl+C\u003c/strong\u003e to abort a run, which will render one final report before exiting.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eProgress Display\u003c/h2\u003e\u003ca id=\"user-content-progress-display\" class=\"anchor\" aria-label=\"Permalink: Progress Display\" href=\"#progress-display\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https://camo.githubusercontent.com/3c6c1f27e6bf37f595d0774ea8478864e1352f8cbb784a5e366d6431800e209e/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f70726f67726573732e706e67\"\u003e\u003cimg src=\"https://camo.githubusercontent.com/3c6c1f27e6bf37f595d0774ea8478864e1352f8cbb784a5e366d6431800e209e/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f70726f67726573732e706e67\" alt=\"Screenshot\" data-canonical-src=\"https://pixlcore.com/software/wperf/progress.png\" style=\"max-width: 100%;\"\u003e\u003c/a\u003e\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eCompleted Output\u003c/h2\u003e\u003ca id=\"user-content-completed-output\" class=\"anchor\" aria-label=\"Permalink: Completed Output\" href=\"#completed-output\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003ca target=\"_blank\" rel=\"noopener noreferrer nofollow\" href=\"https://camo.githubusercontent.com/9986319d7f840a07d26456148c07c7ce2be3c1ec3ad1ddb655581690c0641000/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f7465726d696e616c2e706e67\"\u003e\u003cimg src=\"https://camo.githubusercontent.com/9986319d7f840a07d26456148c07c7ce2be3c1ec3ad1ddb655581690c0641000/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f7465726d696e616c2e706e67\" alt=\"Screenshot\" data-canonical-src=\"https://pixlcore.com/software/wperf/terminal.png\" style=\"max-width: 100%;\"\u003e\u003c/a\u003e\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNotes:\u003c/strong\u003e\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eThe \"Samples\" numbers may differ between metrics for things like Keep-Alives, which will reuse sockets and therefore require fewer DNS lookups and TCP connects.\u003c/li\u003e\n\u003cli\u003eThe \"Decompress\" metric is only applicable for encoded (compressed) server responses (i.e. Gzip, Deflate).\u003c/li\u003e\n\u003cli\u003eThe \"Peak Performance\" is the best performing second, which is only shown if the total time covered a full second.\u003c/li\u003e\n\u003cli\u003eA \"warning\" is a request that took longer than a specified duration (default is 1 second).\u003c/li\u003e\n\u003cli\u003eAn \"error is a bad HTTP response (outside of the 2xx or 3xx range) or DNS lookup / TCP connect failure.\u003c/li\u003e\n\u003c/ul\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch1 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eUsage\u003c/h1\u003e\u003ca id=\"user-content-usage\" class=\"anchor\" aria-label=\"Permalink: Usage\" href=\"#usage\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eUse \u003ca href=\"https://www.npmjs.com/\" rel=\"nofollow\"\u003enpm\u003c/a\u003e to install the module as a command-line executable:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"npm install -g wperf\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003enpm install -g wperf\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThen call it using \u003ccode\u003ewperf\u003c/code\u003e and specify your URL and options on the command-line:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf URL [--OPTION1 --OPTION2 ...]\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf URL [--OPTION1 --OPTION2 ...]\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample command:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --max 100 --threads 2 --keepalive\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --max 100 --threads 2 --keepalive\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThis would send an HTTP GET request to the specified URL 100 times using 2 threads, and utilizing \u003ca href=\"https://en.wikipedia.org/wiki/HTTP_persistent_connection\" rel=\"nofollow\"\u003eHTTP Keep-Alives\u003c/a\u003e (i.e. reuse sockets for subsequent requests, if the target server supports it).\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eAlternatively, you can store all your configuration settings in a JSON file, and specify it as the first argument (see below for details on how to format the JSON file):\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf my-load-test.json\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf my-load-test.json\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYou can also include command-line arguments after the configuration file which acts as overrides:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf my-load-test.json --verbose\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf my-load-test.json --verbose\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch2 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eConfiguration Options\u003c/h2\u003e\u003ca id=\"user-content-configuration-options\" class=\"anchor\" aria-label=\"Permalink: Configuration Options\" href=\"#configuration-options\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYou can specify most configuration options on the command line (using the syntax \u003ccode\u003e--key value\u003c/code\u003e) or in a JSON configuration file as a top-level property. There are a few exceptions which are noted below.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eurl\u003c/h3\u003e\u003ca id=\"user-content-url\" class=\"anchor\" aria-label=\"Permalink: url\" href=\"#url\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eUse the command-line \u003ccode\u003e--url\u003c/code\u003e or JSON \u003ccode\u003eurl\u003c/code\u003e property to specify the URL to be requested. As a shortcut, the URL can be specified as the first argument to the command-line script, without the \u003ccode\u003e--url\u003c/code\u003e prefix. Example command-line:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eparams\u003c/h3\u003e\u003ca id=\"user-content-params\" class=\"anchor\" aria-label=\"Permalink: params\" href=\"#params\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you use a JSON configuration file, you can insert \u003ccode\u003e[placeholder]\u003c/code\u003e variables into your URL. These are expanded by looking in a \u003ccode\u003eparams\u003c/code\u003e object in the JSON file, if provided. Further, each parameter may be an array of values, of which one is picked randomly per request. Example:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path?food=[food]\u0026quot;,\n\t\u0026quot;params\u0026quot;: {\n\t\t\u0026quot;food\u0026quot;: [\u0026quot;apple\u0026quot;, \u0026quot;orange\u0026quot;, \u0026quot;banana\u0026quot;]\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path?food=[food]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"params\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"food\"\u003c/span\u003e: [\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eapple\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eorange\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ebanana\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e]\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThis would produce three different URLs, picked randomly for each request:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"https://myserver.com/some/path?food=apple\nhttps://myserver.com/some/path?food=orange\nhttps://myserver.com/some/path?food=banana\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ehttps://myserver.com/some/path?food=apple\nhttps://myserver.com/some/path?food=orange\nhttps://myserver.com/some/path?food=banana\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYou can nest parameters, meaning the values can themselves contain \u003ccode\u003e[placeholder]\u003c/code\u003e variables, which are further expanded until all are satisfied (up to 32 levels deep). Example of this:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com[uri]\u0026quot;,\n\t\u0026quot;params\u0026quot;: {\n\t\t\u0026quot;uri\u0026quot;: [\n\t\t\t\u0026quot;/some/path?\u0026amp;action=eat\u0026amp;food=[food]\u0026quot;,\n\t\t\t\u0026quot;/some/other/path?\u0026amp;action=drink\u0026amp;beverage=[beverage]\u0026quot;\n\t\t],\n\t\t\u0026quot;food\u0026quot;: [\u0026quot;apple\u0026quot;, \u0026quot;orange\u0026quot;, \u0026quot;banana\u0026quot;],\n\t\t\u0026quot;beverage\u0026quot;: [\u0026quot;coke\u0026quot;, \u0026quot;pepsi\u0026quot;]\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com[uri]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"params\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"uri\"\u003c/span\u003e: [\n\t\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e/some/path?\u0026amp;action=eat\u0026amp;food=[food]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e/some/other/path?\u0026amp;action=drink\u0026amp;beverage=[beverage]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t\t],\n\t\t\u003cspan class=\"pl-ent\"\u003e\"food\"\u003c/span\u003e: [\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eapple\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eorange\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ebanana\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e],\n\t\t\u003cspan class=\"pl-ent\"\u003e\"beverage\"\u003c/span\u003e: [\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ecoke\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003epepsi\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e]\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eHere we have the full URI path substituted out as \u003ccode\u003e[uri]\u003c/code\u003e, which may pick one of two values, one with a \u003ccode\u003e[food]\u003c/code\u003e and one with a \u003ccode\u003e[beverage]\u003c/code\u003e variable. This particular configuration would result in 5 total unique URLs.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eIf you just want to pick from a random list of URLs, simply set the \u003ccode\u003eurl\u003c/code\u003e property to a string containing a single macro like \u003ccode\u003e[url]\u003c/code\u003e, then list all your URLs like this:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;[url]\u0026quot;,\n\t\u0026quot;params\u0026quot;: {\n\t\t\u0026quot;url\u0026quot;: [\n\t\t\t\u0026quot;http://server1.com/path/one\u0026quot;,\n\t\t\t\u0026quot;http://server2.com/path/two\u0026quot;,\n\t\t\t\u0026quot;http://server3.com/path/three\u0026quot;\n\t\t]\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e[url]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"params\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: [\n\t\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttp://server1.com/path/one\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttp://server2.com/path/two\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttp://server3.com/path/three\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t\t]\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you simply want a random number on your URLs, you can use the \u003ccode\u003e[#-#]\u003c/code\u003e shortcut, which will pick a random integer within the specified range (inclusive). Example:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path?\u0026amp;random=[0-99999]\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path?\u0026amp;random=[0-99999]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYou can optionally store your parameters in their own JSON file. To use this feature, specify the file path using the \u003ccode\u003e--params\u003c/code\u003e command-line argument, or as a \u003ccode\u003eparams\u003c/code\u003e string property in your configuration file. Example of the latter:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path?food=[food]\u0026quot;,\n\t\u0026quot;params\u0026quot;: \u0026quot;my_params_file.json\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path?food=[food]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"params\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003emy_params_file.json\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eAnd then the contents of \u003ccode\u003emy_params_file.json\u003c/code\u003e would be:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;food\u0026quot;: [\u0026quot;apple\u0026quot;, \u0026quot;orange\u0026quot;, \u0026quot;banana\u0026quot;]\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"food\"\u003c/span\u003e: [\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eapple\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eorange\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ebanana\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e]\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eHere is an example of specifying the parameters file using the command line:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --params my_params_file.json\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --params my_params_file.json\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003emax\u003c/h3\u003e\u003ca id=\"user-content-max\" class=\"anchor\" aria-label=\"Permalink: max\" href=\"#max\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003emax\u003c/code\u003e parameter specifies the total number of HTTP requests to send (regardless of threads). You can specify this on the command-line or in a configuration file. The default is \u003ccode\u003e1\u003c/code\u003e. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --max 100\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --max 100\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;max\u0026quot;: 100\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ethreads\u003c/h3\u003e\u003ca id=\"user-content-threads\" class=\"anchor\" aria-label=\"Permalink: threads\" href=\"#threads\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003ethreads\u003c/code\u003e parameter specifies the number of \"threads\" (i.e. concurrent HTTP requests) to send. You can specify this on the command-line or in a configuration file. The default is \u003ccode\u003e1\u003c/code\u003e. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --max 100 --threads 4\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --max 100 --threads 4\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;max\u0026quot;: 100,\n\t\u0026quot;threads\u0026quot;: 4\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"threads\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e4\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ekeepalive\u003c/h3\u003e\u003ca id=\"user-content-keepalive\" class=\"anchor\" aria-label=\"Permalink: keepalive\" href=\"#keepalive\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003ekeepalive\u003c/code\u003e parameter, when present on the command-line or set to \u003ccode\u003etrue\u003c/code\u003e in your JSON configuration, enables \u003ca href=\"https://en.wikipedia.org/wiki/HTTP_persistent_connection\" rel=\"nofollow\"\u003eHTTP Keep-Alives\u003c/a\u003e for all requests. This means that sockets will be reused whenever possible (if the target server supports it and doesn't close the socket itself). The default behavior is to disable Keep-Alives, and open a new socket for every request. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --max 100 --keepalive\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --max 100 --keepalive\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;max\u0026quot;: 100,\n\t\u0026quot;keepalive\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"keepalive\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eOf course, Keep-Alives only take effect if you send more than one request.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ethrottle\u003c/h3\u003e\u003ca id=\"user-content-throttle\" class=\"anchor\" aria-label=\"Permalink: throttle\" href=\"#throttle\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003ethrottle\u003c/code\u003e parameter allows you to set a maximum requests per second limit, which the script will always stay under, regardless of the number of threads. You can specify this on the command-line or in a configuration file. The default is \u003cem\u003eunlimited\u003c/em\u003e. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --max 100 --throttle 10\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --max 100 --throttle 10\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;max\u0026quot;: 100,\n\t\u0026quot;throttle\u0026quot;: 10\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"throttle\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e10\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003etimeout\u003c/h3\u003e\u003ca id=\"user-content-timeout\" class=\"anchor\" aria-label=\"Permalink: timeout\" href=\"#timeout\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003etimeout\u003c/code\u003e parameter allows you to specify a maximum time for requests in seconds, before they are aborted and considered an error. This is measured as the \u003ca href=\"https://en.wikipedia.org/wiki/Time_to_first_byte\" rel=\"nofollow\"\u003etime to first byte\u003c/a\u003e, and is specified as seconds. You can set this on the command-line or in a configuration file. The default is \u003ccode\u003e5\u003c/code\u003e seconds. The value can be a floating point decimal (fractional seconds). Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --timeout 2.5\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --timeout 2.5\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;timeout\u0026quot;: 2.5\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"timeout\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e2.5\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ewarn\u003c/h3\u003e\u003ca id=\"user-content-warn\" class=\"anchor\" aria-label=\"Permalink: warn\" href=\"#warn\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003ewarn\u003c/code\u003e parameter allows you to specify a maximum time for requests in seconds, before they are logged as a warning. You can set this on the command-line or in a configuration file. The default is \u003ccode\u003e1\u003c/code\u003e second. The value can be a floating point decimal (fractional seconds). Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --warn 0.5\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --warn 0.5\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;warn\u0026quot;: 0.5\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"warn\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.5\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eWarnings are printed to STDERR, and contain a date/time stamp (local time), the request sequence number, the HTTP response code, and a JSON object containing the raw performance metrics (measured in milliseconds), along with the bytes sent \u0026amp; received, and the URL that was requested. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"[2019/08/31 16:46:20] Perf Warning: Req #1: HTTP 200 OK -- {\u0026quot;scale\u0026quot;:1000,\u0026quot;perf\u0026quot;:{\u0026quot;total\u0026quot;:20.584,\u0026quot;dns\u0026quot;:2.647,\u0026quot;send\u0026quot;:0,\u0026quot;connect\u0026quot;:0.477,\u0026quot;wait\u0026quot;:13.68,\u0026quot;receive\u0026quot;:1.102,\u0026quot;decompress\u0026quot;:2.323},\u0026quot;counters\u0026quot;:{\u0026quot;bytes_sent\u0026quot;:151,\u0026quot;bytes_received\u0026quot;:266},\u0026quot;url\u0026quot;:\u0026quot;http://localhost:3012/rsleep?veg=celery\u0026quot;}\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003e[2019/08/31 16:46:20] Perf Warning: Req #1: HTTP 200 OK -- {\"scale\":1000,\"perf\":{\"total\":20.584,\"dns\":2.647,\"send\":0,\"connect\":0.477,\"wait\":13.68,\"receive\":1.102,\"decompress\":2.323},\"counters\":{\"bytes_sent\":151,\"bytes_received\":266},\"url\":\"http://localhost:3012/rsleep?veg=celery\"}\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ewarnings\u003c/h3\u003e\u003ca id=\"user-content-warnings\" class=\"anchor\" aria-label=\"Permalink: warnings\" href=\"#warnings\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you would prefer warnings in a more machine-readable format, you can have them logged to a file using \u003ca href=\"http://ndjson.org/\" rel=\"nofollow\"\u003enewline delimited JSON\u003c/a\u003e format. To enable this, include the \u003ccode\u003e--warnings\u003c/code\u003e command-line argument followed by a log file path, or use the \u003ccode\u003ewarnings\u003c/code\u003e configuration property. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --warn 0.5 --warnings /var/log/my-warning-log.ndjson\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --warn 0.5 --warnings /var/log/my-warning-log.ndjson\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;warn\u0026quot;: 0.5,\n\t\u0026quot;warnings\u0026quot;: \u0026quot;/var/log/my-warning-log.ndjson\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"warn\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.5\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"warnings\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e/var/log/my-warning-log.ndjson\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eHere is an example warning log entry (the JSON has been pretty-printed for display purposes):\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;perf\u0026quot;: {\n\t\t\u0026quot;total\u0026quot;: 34.992,\n\t\t\u0026quot;dns\u0026quot;: 2.324,\n\t\t\u0026quot;send\u0026quot;: 0,\n\t\t\u0026quot;connect\u0026quot;: 0.423,\n\t\t\u0026quot;wait\u0026quot;: 29.014,\n\t\t\u0026quot;receive\u0026quot;: 0.801,\n\t\t\u0026quot;decompress\u0026quot;: 2.168\n\t},\n\t\u0026quot;counters\u0026quot;: {\n\t\t\u0026quot;bytes_sent\u0026quot;: 151,\n\t\t\u0026quot;bytes_received\u0026quot;: 266\n\t},\n\t\u0026quot;url\u0026quot;: \u0026quot;http://localhost:3012/rsleep?veg=celery\u0026quot;,\n\t\u0026quot;code\u0026quot;: 200,\n\t\u0026quot;status\u0026quot;: \u0026quot;OK\u0026quot;,\n\t\u0026quot;req_num\u0026quot;: 1,\n\t\u0026quot;now\u0026quot;: 1567295312,\n\t\u0026quot;date_time\u0026quot;: \u0026quot;[2019/08/31 16:48:32]\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"perf\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e34.992\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"dns\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e2.324\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"send\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"connect\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.423\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"wait\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e29.014\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"receive\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.801\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"decompress\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e2.168\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"counters\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"bytes_sent\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e151\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"bytes_received\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e266\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttp://localhost:3012/rsleep?veg=celery\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"code\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e200\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"status\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eOK\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"req_num\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"now\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1567295312\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"date_time\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e[2019/08/31 16:48:32]\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eHere are descriptions of the properties:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eperf\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis object contains the raw performance metrics for the request, which are all measured in milliseconds. See \u003ca href=\"https://github.com/jhuckaby/pixl-request#performance-metrics\"\u003ePerformance Metrics\u003c/a\u003e for details.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ecounters\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis object contains raw counters, including \u003ccode\u003ebytes_sent\u003c/code\u003e and \u003ccode\u003ebytes_received\u003c/code\u003e, which count the number of bytes sent and received for the request, respectively.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eurl\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis is the URL that was requested. It is included because it may have been dynamically constructed with placeholder substitutions.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ecode\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis is the HTTP response code sent back from the server.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003estatus\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis is the HTTP status line sent back from the server.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ereq_num\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis is the request sequence number (from one to \u003ca href=\"#max\"\u003emax\u003c/a\u003e).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003enow\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis is the current date/time expressed as \u003ca href=\"https://en.wikipedia.org/wiki/Unix_time\" rel=\"nofollow\"\u003eEpoch\u003c/a\u003e seconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003edate_time\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThis is the current date/time expressed as a string in the local timezone.\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003efatal\u003c/h3\u003e\u003ca id=\"user-content-fatal\" class=\"anchor\" aria-label=\"Permalink: fatal\" href=\"#fatal\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003efatal\u003c/code\u003e parameter, when present on the command-line or set to \u003ccode\u003etrue\u003c/code\u003e in your JSON configuration, will cause the first HTTP error response to abort the entire run. By default this is disabled, and the script continues after encountering errors. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --fatal\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --fatal\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;fatal\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"fatal\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003everbose\u003c/h3\u003e\u003ca id=\"user-content-verbose\" class=\"anchor\" aria-label=\"Permalink: verbose\" href=\"#verbose\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003everbose\u003c/code\u003e parameter, when present on the command-line or set to \u003ccode\u003etrue\u003c/code\u003e in your JSON configuration, outputs information about every single request just as it completes. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --verbose\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --verbose\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;verbose\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"verbose\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eVerbose output looks like this:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"[2019/08/31 16:42:54] Req #1: HTTP 200 OK -- {\u0026quot;scale\u0026quot;:1000,\u0026quot;perf\u0026quot;:{\u0026quot;total\u0026quot;:24.139,\u0026quot;dns\u0026quot;:2.044,\u0026quot;send\u0026quot;:0,\u0026quot;connect\u0026quot;:0.43,\u0026quot;wait\u0026quot;:17.426,\u0026quot;receive\u0026quot;:1.104,\u0026quot;decompress\u0026quot;:2.802},\u0026quot;counters\u0026quot;:{\u0026quot;bytes_sent\u0026quot;:151,\u0026quot;bytes_received\u0026quot;:266},\u0026quot;url\u0026quot;:\u0026quot;http://localhost:3012/rsleep?veg=celery\u0026quot;}\n[2019/08/31 16:42:54] Req #2: HTTP 200 OK -- {\u0026quot;scale\u0026quot;:1000,\u0026quot;perf\u0026quot;:{\u0026quot;total\u0026quot;:25.454,\u0026quot;dns\u0026quot;:1.872,\u0026quot;send\u0026quot;:0,\u0026quot;connect\u0026quot;:0.402,\u0026quot;wait\u0026quot;:20.285,\u0026quot;receive\u0026quot;:0.171,\u0026quot;decompress\u0026quot;:2.683},\u0026quot;counters\u0026quot;:{\u0026quot;bytes_sent\u0026quot;:152,\u0026quot;bytes_received\u0026quot;:266},\u0026quot;url\u0026quot;:\u0026quot;http://localhost:3012/rsleep?color=green\u0026quot;}\n[2019/08/31 16:42:54] Req #3: HTTP 200 OK -- {\u0026quot;scale\u0026quot;:1000,\u0026quot;perf\u0026quot;:{\u0026quot;total\u0026quot;:35.035,\u0026quot;dns\u0026quot;:2.317,\u0026quot;send\u0026quot;:0,\u0026quot;connect\u0026quot;:0.378,\u0026quot;wait\u0026quot;:31.838,\u0026quot;receive\u0026quot;:0.093,\u0026quot;decompress\u0026quot;:0.393},\u0026quot;counters\u0026quot;:{\u0026quot;bytes_sent\u0026quot;:151,\u0026quot;bytes_received\u0026quot;:266},\u0026quot;url\u0026quot;:\u0026quot;http://localhost:3012/rsleep?veg=celery\u0026quot;}\n[2019/08/31 16:42:54] Req #4: HTTP 200 OK -- {\u0026quot;scale\u0026quot;:1000,\u0026quot;perf\u0026quot;:{\u0026quot;total\u0026quot;:40.736,\u0026quot;dns\u0026quot;:6.997,\u0026quot;send\u0026quot;:0,\u0026quot;connect\u0026quot;:0.476,\u0026quot;wait\u0026quot;:32.247,\u0026quot;receive\u0026quot;:0.074,\u0026quot;decompress\u0026quot;:0.943},\u0026quot;counters\u0026quot;:{\u0026quot;bytes_sent\u0026quot;:150,\u0026quot;bytes_received\u0026quot;:266},\u0026quot;url\u0026quot;:\u0026quot;http://localhost:3012/rsleep?color=red\u0026quot;}\n[2019/08/31 16:42:54] Req #5: HTTP 200 OK -- {\u0026quot;scale\u0026quot;:1000,\u0026quot;perf\u0026quot;:{\u0026quot;total\u0026quot;:10.893,\u0026quot;send\u0026quot;:0.39,\u0026quot;wait\u0026quot;:9.735,\u0026quot;receive\u0026quot;:0.103,\u0026quot;decompress\u0026quot;:0.641},\u0026quot;counters\u0026quot;:{\u0026quot;bytes_sent\u0026quot;:151,\u0026quot;bytes_received\u0026quot;:264},\u0026quot;url\u0026quot;:\u0026quot;http://localhost:3012/rsleep?veg=celery\u0026quot;}\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003e[2019/08/31 16:42:54] Req #1: HTTP 200 OK -- {\"scale\":1000,\"perf\":{\"total\":24.139,\"dns\":2.044,\"send\":0,\"connect\":0.43,\"wait\":17.426,\"receive\":1.104,\"decompress\":2.802},\"counters\":{\"bytes_sent\":151,\"bytes_received\":266},\"url\":\"http://localhost:3012/rsleep?veg=celery\"}\n[2019/08/31 16:42:54] Req #2: HTTP 200 OK -- {\"scale\":1000,\"perf\":{\"total\":25.454,\"dns\":1.872,\"send\":0,\"connect\":0.402,\"wait\":20.285,\"receive\":0.171,\"decompress\":2.683},\"counters\":{\"bytes_sent\":152,\"bytes_received\":266},\"url\":\"http://localhost:3012/rsleep?color=green\"}\n[2019/08/31 16:42:54] Req #3: HTTP 200 OK -- {\"scale\":1000,\"perf\":{\"total\":35.035,\"dns\":2.317,\"send\":0,\"connect\":0.378,\"wait\":31.838,\"receive\":0.093,\"decompress\":0.393},\"counters\":{\"bytes_sent\":151,\"bytes_received\":266},\"url\":\"http://localhost:3012/rsleep?veg=celery\"}\n[2019/08/31 16:42:54] Req #4: HTTP 200 OK -- {\"scale\":1000,\"perf\":{\"total\":40.736,\"dns\":6.997,\"send\":0,\"connect\":0.476,\"wait\":32.247,\"receive\":0.074,\"decompress\":0.943},\"counters\":{\"bytes_sent\":150,\"bytes_received\":266},\"url\":\"http://localhost:3012/rsleep?color=red\"}\n[2019/08/31 16:42:54] Req #5: HTTP 200 OK -- {\"scale\":1000,\"perf\":{\"total\":10.893,\"send\":0.39,\"wait\":9.735,\"receive\":0.103,\"decompress\":0.641},\"counters\":{\"bytes_sent\":151,\"bytes_received\":264},\"url\":\"http://localhost:3012/rsleep?veg=celery\"}\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eSimilar to the \u003ca href=\"#warn\"\u003ewarn\u003c/a\u003e output, these lines contain a date/time stamp (local time), the request sequence number, the HTTP response code, and a JSON object containing the raw performance metrics (measured in milliseconds), along with the bytes sent \u0026amp; received, and the URL that was requested.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ecache_dns\u003c/h3\u003e\u003ca id=\"user-content-cache_dns\" class=\"anchor\" aria-label=\"Permalink: cache_dns\" href=\"#cache_dns\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003ecache_dns\u003c/code\u003e parameter, when present on the command-line or set to \u003ccode\u003etrue\u003c/code\u003e in your JSON configuration, will cache the IP addresses from DNS lookups, so they only need to be requested once per unique domain name. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --cache_dns\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --cache_dns\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;cache_dns\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"cache_dns\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eauth\u003c/h3\u003e\u003ca id=\"user-content-auth\" class=\"anchor\" aria-label=\"Permalink: auth\" href=\"#auth\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003eauth\u003c/code\u003e parameter allows you to include \u003ca href=\"https://en.wikipedia.org/wiki/Basic_access_authentication\" rel=\"nofollow\"\u003eHTTP Basic Authentication\u003c/a\u003e credentials (i.e. username and password). These should be delimited by a colon (\u003ccode\u003e:\u003c/code\u003e) character. You can set this on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --auth \u0026quot;jsmith:12345\u0026quot;\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --auth \"jsmith:12345\"\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;auth\u0026quot;: \u0026quot;jsmith:12345\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"auth\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ejsmith:12345\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ecompress\u003c/h3\u003e\u003ca id=\"user-content-compress\" class=\"anchor\" aria-label=\"Permalink: compress\" href=\"#compress\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eBy default, the request library supports compressed server responses (i.e. Gzip or Deflate content encoding), and announces support for these via the \u003ccode\u003eAccept-Encoding\u003c/code\u003e header. The \u003ccode\u003ecompress\u003c/code\u003e property allows you to \u003cem\u003edisable\u003c/em\u003e compression support in the request library. Specifically, disabling compression means that an \u003ccode\u003eAccept-Encoding: none\u003c/code\u003e header is sent with every request, informing the target server that the client doesn't support a compressed response. You can set this property to \u003ccode\u003efalse\u003c/code\u003e on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --compress false\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --compress false\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;compress\u0026quot;: false\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"compress\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003efalse\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNote:\u003c/strong\u003e It is really up to the target server whether this header is followed or not.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003euseragent\u003c/h3\u003e\u003ca id=\"user-content-useragent\" class=\"anchor\" aria-label=\"Permalink: useragent\" href=\"#useragent\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003euseragent\u003c/code\u003e parameter allows you to specify a custom \u003ccode\u003eUser-Agent\u003c/code\u003e request header. By default, this is set to \u003ccode\u003eMozilla/5.0; wperf/1.0.0\u003c/code\u003e. You can set this property on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --useragent \u0026quot;My Custom Agent v1.2.3\u0026quot;\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --useragent \"My Custom Agent v1.2.3\"\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;useragent\u0026quot;: \u0026quot;My Custom Agent v1.2.3\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"useragent\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eMy Custom Agent v1.2.3\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003efollow\u003c/h3\u003e\u003ca id=\"user-content-follow\" class=\"anchor\" aria-label=\"Permalink: follow\" href=\"#follow\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003efollow\u003c/code\u003e parameter, when present on the command-line or set to \u003ccode\u003etrue\u003c/code\u003e in your JSON configuration, will cause the HTTP request library to automatically follow redirects. That is, HTTP response codes in the \u003ccode\u003e3xx\u003c/code\u003e range, with an accompanying \u003ccode\u003eLocation\u003c/code\u003e response header. You can set this property on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --follow\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --follow\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;follow\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"follow\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eAlternatively, you can set this parameter to a number value, which represents the total amount of redirects to follow for a given request. This can help prevent infinite redirect loops.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNote:\u003c/strong\u003e The request library only tracks the performance metrics of the \u003cem\u003efinal\u003c/em\u003e request in the redirect chain.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eretries\u003c/h3\u003e\u003ca id=\"user-content-retries\" class=\"anchor\" aria-label=\"Permalink: retries\" href=\"#retries\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003eretries\u003c/code\u003e parameter allows you to set a number of retries before an error is logged, and possibly \u003ca href=\"#fatal\"\u003efatal\u003c/a\u003e. The default is \u003ccode\u003e0\u003c/code\u003e retries. You can set this property on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --retries 5\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --retries 5\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;retries\u0026quot;: 5\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"retries\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e5\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNote:\u003c/strong\u003e If retries occur, the request library only tracks the performance metrics of the \u003cem\u003efinal\u003c/em\u003e request of each group.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003einsecure\u003c/h3\u003e\u003ca id=\"user-content-insecure\" class=\"anchor\" aria-label=\"Permalink: insecure\" href=\"#insecure\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eBy default, when HTTPS requests are made, the SSL certificate is verified using a Certificate Authority (CA). The \u003ccode\u003einsecure\u003c/code\u003e parameter, when present on the command-line or set to \u003ccode\u003etrue\u003c/code\u003e in your JSON configuration, will cause the request library to bypass all SSL certificate verification. One potential use of this is for self-signed certificates. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --insecure\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --insecure\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;insecure\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"insecure\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eheaders\u003c/h3\u003e\u003ca id=\"user-content-headers\" class=\"anchor\" aria-label=\"Permalink: headers\" href=\"#headers\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003eheaders\u003c/code\u003e parameter allows you to add custom HTTP headers to every request. These can be specified on the command-line using a \u003ccode\u003eh_\u003c/code\u003e prefix followed by the header name, then the header value. You can repeat this for adding multiple headers. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --h_Cookie \u0026quot;sessionid=1234567890;\u0026quot;\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --h_Cookie \"sessionid=1234567890;\"\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf using a JSON configuration file, you can instead use a \u003ccode\u003eheaders\u003c/code\u003e object, with the header names specified as the keys within. Example:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;headers\u0026quot;: {\n\t\t\u0026quot;Cookie\u0026quot;: \u0026quot;sessionid=1234567890;\u0026quot;\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"headers\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"Cookie\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003esessionid=1234567890;\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe underlying request library also adds a few basic headers of its own, including \u003ccode\u003eHost\u003c/code\u003e, \u003ccode\u003eConnection\u003c/code\u003e, \u003ccode\u003eAccept-Encoding\u003c/code\u003e and \u003ccode\u003eUser-Agent\u003c/code\u003e.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003emethod\u003c/h3\u003e\u003ca id=\"user-content-method\" class=\"anchor\" aria-label=\"Permalink: method\" href=\"#method\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003emethod\u003c/code\u003e parameter allows you to set the HTTP method for all requests sent. By default this is \u003ccode\u003eGET\u003c/code\u003e, but you can set it to any of the standard values, i.e. \u003ccode\u003eGET\u003c/code\u003e, \u003ccode\u003eHEAD\u003c/code\u003e, \u003ccode\u003ePOST\u003c/code\u003e, \u003ccode\u003ePUT\u003c/code\u003e and \u003ccode\u003eDELETE\u003c/code\u003e. You can set this property on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --method HEAD\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --method HEAD\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;method\u0026quot;: \u0026quot;HEAD\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"method\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eHEAD\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003edata\u003c/h3\u003e\u003ca id=\"user-content-data\" class=\"anchor\" aria-label=\"Permalink: data\" href=\"#data\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you select any of the HTTP methods that support a request body, e.g. \u003ccode\u003ePOST\u003c/code\u003e, \u003ccode\u003ePUT\u003c/code\u003e or \u003ccode\u003eDELETE\u003c/code\u003e, you can specify the data in a number of different ways. By default, it is sent as \u003ccode\u003eapplication/x-www-form-urlencoded\u003c/code\u003e, and you can specify named parameters on the command-line using a \u003ccode\u003ed_\u003c/code\u003e prefix like this:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --method POST --d_username jsmith --d_email jsmith@aol.com\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --method POST --d_username jsmith --d_email jsmith@aol.com\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThis would serialize the two post parameters using standard form encoding, resulting in \u003ccode\u003eusername=jsmith\u0026amp;email=jsmith%40aol.com\u003c/code\u003e. You can also specify these parameters in your JSON configuration file using the \u003ccode\u003edata\u003c/code\u003e property:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;method\u0026quot;: \u0026quot;POST\u0026quot;,\n\t\u0026quot;data\u0026quot;: {\n\t\t\u0026quot;username\u0026quot;: \u0026quot;jsmith\u0026quot;,\n\t\t\u0026quot;email\u0026quot;: \u0026quot;jsmith@aol.com\u0026quot;\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"method\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ePOST\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"data\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"username\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ejsmith\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"email\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ejsmith@aol.com\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eAlternatively, you can specify the request body in \"raw\" format using the \u003ccode\u003e--data\u003c/code\u003e command-line argument (or \u003ccode\u003edata\u003c/code\u003e configuration property) by setting it to a string. This can be used to send a pure JSON post, for example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --method POST --h_Content-Type application/json --data '{\u0026quot;username\u0026quot;:\u0026quot;jsmith\u0026quot;,\u0026quot;email\u0026quot;:\u0026quot;jsmith@aol.com\u0026quot;}'\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --method POST --h_Content-Type application/json --data '{\"username\":\"jsmith\",\"email\":\"jsmith@aol.com\"}'\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eOr similarly via configuration file:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;method\u0026quot;: \u0026quot;POST\u0026quot;,\n\t\u0026quot;headers\u0026quot;: {\n\t\t\u0026quot;Content-Type\u0026quot;: \u0026quot;application/json\u0026quot;\n\t},\n\t\u0026quot;data\u0026quot;: \u0026quot;{\\\u0026quot;username\\\u0026quot;:\\\u0026quot;jsmith\\\u0026quot;,\\\u0026quot;email\\\u0026quot;:\\\u0026quot;jsmith@aol.com\\\u0026quot;}\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"method\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ePOST\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"headers\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"Content-Type\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eapplication/json\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"data\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e{\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003eusername\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003e:\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003ejsmith\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003e,\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003eemail\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003e:\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003ejsmith@aol.com\u003cspan class=\"pl-cce\"\u003e\\\"\u003c/span\u003e}\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003emultipart\u003c/h3\u003e\u003ca id=\"user-content-multipart\" class=\"anchor\" aria-label=\"Permalink: multipart\" href=\"#multipart\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eTo send a \"multipart\" HTTP POST, which is designed more for larger parameters (also see \u003ca href=\"#files\"\u003efiles\u003c/a\u003e), include the \u003ccode\u003e--multipart\u003c/code\u003e parameter on the command-line, or set the \u003ccode\u003emultipart\u003c/code\u003e JSON configuration property to \u003ccode\u003etrue\u003c/code\u003e. Example of this:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --method POST --multipart --d_username jsmith --d_email jsmith@aol.com\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --method POST --multipart --d_username jsmith --d_email jsmith@aol.com\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eAnd in JSON configuration format:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;method\u0026quot;: \u0026quot;POST\u0026quot;,\n\t\u0026quot;multipart\u0026quot;: true,\n\t\u0026quot;data\u0026quot;: {\n\t\t\u0026quot;username\u0026quot;: \u0026quot;jsmith\u0026quot;,\n\t\t\u0026quot;email\u0026quot;: \u0026quot;jsmith@aol.com\u0026quot;\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"method\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ePOST\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"multipart\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"data\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"username\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ejsmith\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"email\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ejsmith@aol.com\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003efiles\u003c/h3\u003e\u003ca id=\"user-content-files\" class=\"anchor\" aria-label=\"Permalink: files\" href=\"#files\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you are performing a multipart HTTP POST, you can upload actual files from the local filesystem. These can be specified on the command-line using the \u003ccode\u003ef_\u003c/code\u003e prefix, or in a configuration file using a \u003ccode\u003efiles\u003c/code\u003e object. Here are examples of each:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --method POST --multipart --f_file1 /path/to/my/file.jpg\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --method POST --multipart --f_file1 /path/to/my/file.jpg\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;method\u0026quot;: \u0026quot;POST\u0026quot;,\n\t\u0026quot;multipart\u0026quot;: true,\n\t\u0026quot;files\u0026quot;: {\n\t\t\u0026quot;file1\u0026quot;: \u0026quot;/path/to/my/file.jpg\u0026quot;\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"method\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ePOST\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"multipart\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"files\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"file1\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e/path/to/my/file.jpg\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIn this case the file is identified by the parameter name \u003ccode\u003efile1\u003c/code\u003e. The filename and content type are set automatically by the request library, based on the specified file path.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003esuccess_match\u003c/h3\u003e\u003ca id=\"user-content-success_match\" class=\"anchor\" aria-label=\"Permalink: success_match\" href=\"#success_match\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003esuccess_match\u003c/code\u003e parameter allows you to specify a \u003ca href=\"https://en.wikipedia.org/wiki/Regular_expression\" rel=\"nofollow\"\u003eregular expression\u003c/a\u003e that must match against the server response content body in order for the request to be considered a success. You can set this property on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --success_match \u0026quot;Operation was successful\u0026quot;\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --success_match \"Operation was successful\"\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;success_match\u0026quot;: \u0026quot;Operation was successful\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"success_match\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eOperation was successful\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eerror_match\u003c/h3\u003e\u003ca id=\"user-content-error_match\" class=\"anchor\" aria-label=\"Permalink: error_match\" href=\"#error_match\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThe \u003ccode\u003eerror_match\u003c/code\u003e parameter allows you to specify a \u003ca href=\"https://en.wikipedia.org/wiki/Regular_expression\" rel=\"nofollow\"\u003eregular expression\u003c/a\u003e that generates an error when it matches the server response content body. You can set this property on the command-line or in a configuration file. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --error_match \u0026quot;Database failure\u0026quot;\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --error_match \"Database failure\"\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;error_match\u0026quot;: \u0026quot;Database failure\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"error_match\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003eDatabase failure\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ehisto\u003c/h3\u003e\u003ca id=\"user-content-histo\" class=\"anchor\" aria-label=\"Permalink: histo\" href=\"#histo\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eNormally \u003ccode\u003ewperf\u003c/code\u003e outputs a histogram of the \"Total Time\" metric, which is the full HTTP request from beginning to end. However, you can customize this, and set it to generate multiple histograms of different HTTP metrics, including:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMetric\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003edns\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTime to resolve the hostname to an IP address via DNS. This is omitted if cached, or you specify an IP on the URL.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003econnect\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTime to connect to the remote socket (omitted if using Keep-Alives and reusing a host).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003esend\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTime to send the request data (typically for POST / PUT). Also includes SSL handshake time (if HTTPS).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ewait\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTime spent waiting for the server response (after request is sent).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ereceive\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTime spent downloading data from the server (after headers received).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003edecompress\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTime taken to decompress the response (if encoded with Gzip or Deflate).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etotal\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eTotal time of the entire HTTP transaction.\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cp dir=\"auto\"\u003eTo specify additional histograms, include the \u003ccode\u003e--histo\u003c/code\u003e argument on the command-line, set to a comma-separate list of any of the metrics defined above. Or you can use the special keyword \u003ccode\u003eall\u003c/code\u003e to generate histograms for \u003cem\u003eall\u003c/em\u003e of them. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --histo \u0026quot;dns,connect,receive\u0026quot;\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --histo \"dns,connect,receive\"\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you are using a JSON configuration file, you can set the \u003ccode\u003ehisto\u003c/code\u003e property to an array instead of a CSV string:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;histo\u0026quot;: [\u0026quot;dns\u0026quot;, \u0026quot;connect\u0026quot;, \u0026quot;receive\u0026quot;]\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"histo\"\u003c/span\u003e: [\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003edns\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003econnect\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e, \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ereceive\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e]\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eSee this \u003ca href=\"https://pixlcore.com/software/wperf/terminal.png\" rel=\"nofollow\"\u003escreenshot\u003c/a\u003e for an example histogram.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ehisto_ranges\u003c/h3\u003e\u003ca id=\"user-content-histo_ranges\" class=\"anchor\" aria-label=\"Permalink: histo_ranges\" href=\"#histo_ranges\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eBy default, the histograms generated by \u003ccode\u003ewperf\u003c/code\u003e include metrics in the following time ranges:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e0-1 ms\u003c/li\u003e\n\u003cli\u003e1-2 ms\u003c/li\u003e\n\u003cli\u003e2-3 ms\u003c/li\u003e\n\u003cli\u003e3-4 ms\u003c/li\u003e\n\u003cli\u003e4-5 ms\u003c/li\u003e\n\u003cli\u003e5-10 ms\u003c/li\u003e\n\u003cli\u003e10-20 ms\u003c/li\u003e\n\u003cli\u003e20-30 ms\u003c/li\u003e\n\u003cli\u003e30-40 ms\u003c/li\u003e\n\u003cli\u003e40-50 ms\u003c/li\u003e\n\u003cli\u003e50-100 ms\u003c/li\u003e\n\u003cli\u003e100-200 ms\u003c/li\u003e\n\u003cli\u003e200-300 ms\u003c/li\u003e\n\u003cli\u003e300-400 ms\u003c/li\u003e\n\u003cli\u003e400-500 ms\u003c/li\u003e\n\u003cli\u003e500-1000 ms\u003c/li\u003e\n\u003cli\u003e1-2 sec\u003c/li\u003e\n\u003cli\u003e2-3 sec\u003c/li\u003e\n\u003cli\u003e3-4 sec\u003c/li\u003e\n\u003cli\u003e4-5 sec\u003c/li\u003e\n\u003cli\u003e5+ sec\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp dir=\"auto\"\u003eYou can customize these lanes by specifying a \u003ccode\u003ehisto_ranges\u003c/code\u003e key in your JSON configuration file. This should be set to an array of strings, and the format of the strings needs to match \u003ccode\u003e#-# ms\u003c/code\u003e, \u003ccode\u003e#+ ms\u003c/code\u003e, \u003ccode\u003e#-# sec\u003c/code\u003e or \u003ccode\u003e#+ sec\u003c/code\u003e. Example:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;histo_ranges\u0026quot;: [\n\t\t\u0026quot;0-1 ms\u0026quot;,\n\t\t\u0026quot;1-2 ms\u0026quot;,\n\t\t\u0026quot;2-3 ms\u0026quot;,\n\t\t\u0026quot;3-4 ms\u0026quot;,\n\t\t\u0026quot;4-5 ms\u0026quot;,\n\t\t\u0026quot;5-10 ms\u0026quot;,\n\t\t\u0026quot;10-20 ms\u0026quot;,\n\t\t\u0026quot;20-30 ms\u0026quot;,\n\t\t\u0026quot;30-40 ms\u0026quot;,\n\t\t\u0026quot;40-50 ms\u0026quot;,\n\t\t\u0026quot;50-100 ms\u0026quot;,\n\t\t\u0026quot;100-200 ms\u0026quot;,\n\t\t\u0026quot;200-300 ms\u0026quot;,\n\t\t\u0026quot;300-400 ms\u0026quot;,\n\t\t\u0026quot;400-500 ms\u0026quot;,\n\t\t\u0026quot;500-1000 ms\u0026quot;,\n\t\t\u0026quot;1-2 sec\u0026quot;,\n\t\t\u0026quot;2-3 sec\u0026quot;,\n\t\t\u0026quot;3-4 sec\u0026quot;,\n\t\t\u0026quot;4-5 sec\u0026quot;,\n\t\t\u0026quot;5+ sec\u0026quot;\n\t]\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"histo_ranges\"\u003c/span\u003e: [\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e0-1 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e1-2 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e2-3 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e3-4 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e4-5 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e5-10 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e10-20 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e20-30 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e30-40 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e40-50 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e50-100 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e100-200 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e200-300 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e300-400 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e400-500 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e500-1000 ms\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e1-2 sec\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e2-3 sec\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e3-4 sec\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e4-5 sec\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e5+ sec\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n\t]\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003estats\u003c/h3\u003e\u003ca id=\"user-content-stats\" class=\"anchor\" aria-label=\"Permalink: stats\" href=\"#stats\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eIf you would like \u003ccode\u003ewperf\u003c/code\u003e to output more machine-readable statistics, you can do so by adding the \u003ccode\u003e--stats\u003c/code\u003e command-line argument, or the \u003ccode\u003estats\u003c/code\u003e configuration property. Example use:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --stats\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --stats\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;stats\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"stats\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYou can alternatively have the statistics appended to a file, instead of printed to the console. To do this, simply include the destination target filename after \u003ccode\u003e--stats\u003c/code\u003e on the command-line, or set the \u003ccode\u003estats\u003c/code\u003e property to a filename in the JSON configuration file.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eExample output (pretty-printed for display purposes):\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;current_sec\u0026quot;: 1567391879,\n\t\u0026quot;count_sec\u0026quot;: 39,\n\t\u0026quot;peak_sec\u0026quot;: 61,\n\t\u0026quot;total_reqs\u0026quot;: 100,\n\t\u0026quot;total_warnings\u0026quot;: 0,\n\t\u0026quot;total_errors\u0026quot;: 0,\n\t\u0026quot;bytes_sent\u0026quot;: 58300,\n\t\u0026quot;bytes_received\u0026quot;: 28900,\n\t\u0026quot;time_start\u0026quot;: 1567391878.592,\n\t\u0026quot;total\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 4.689,\n\t\t\u0026quot;max\u0026quot;: 28.387,\n\t\t\u0026quot;total\u0026quot;: 633.4549999999998,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 6.334549999999998\n\t},\n\t\u0026quot;dns\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 0.59,\n\t\t\u0026quot;max\u0026quot;: 16.118,\n\t\t\u0026quot;total\u0026quot;: 98.68200000000003,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 0.9868200000000003\n\t},\n\t\u0026quot;connect\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 0.177,\n\t\t\u0026quot;max\u0026quot;: 0.934,\n\t\t\u0026quot;total\u0026quot;: 22.475,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 0.22475\n\t},\n\t\u0026quot;send\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 0.967,\n\t\t\u0026quot;max\u0026quot;: 1.873,\n\t\t\u0026quot;total\u0026quot;: 110.59200000000003,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 1.1059200000000002\n\t},\n\t\u0026quot;wait\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 2.491,\n\t\t\u0026quot;max\u0026quot;: 8.302,\n\t\t\u0026quot;total\u0026quot;: 361.1120000000002,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 3.611120000000002\n\t},\n\t\u0026quot;receive\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 0.054,\n\t\t\u0026quot;max\u0026quot;: 1.07,\n\t\t\u0026quot;total\u0026quot;: 7.630000000000001,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 0.0763\n\t},\n\t\u0026quot;decompress\u0026quot;: {\n\t\t\u0026quot;min\u0026quot;: 0.192,\n\t\t\u0026quot;max\u0026quot;: 2.288,\n\t\t\u0026quot;total\u0026quot;: 30.935,\n\t\t\u0026quot;count\u0026quot;: 100,\n\t\t\u0026quot;avg\u0026quot;: 0.30935\n\t}\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"current_sec\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1567391879\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"count_sec\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e39\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"peak_sec\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e61\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"total_reqs\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"total_warnings\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"total_errors\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"bytes_sent\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e58300\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"bytes_received\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e28900\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"time_start\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1567391878.592\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e4.689\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e28.387\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e633.4549999999998\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e6.334549999999998\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"dns\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.59\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e16.118\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e98.68200000000003\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.9868200000000003\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"connect\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.177\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.934\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e22.475\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.22475\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"send\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.967\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1.873\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e110.59200000000003\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1.1059200000000002\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"wait\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e2.491\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e8.302\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e361.1120000000002\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e3.611120000000002\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"receive\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.054\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e1.07\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e7.630000000000001\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.0763\u003c/span\u003e\n\t},\n\t\u003cspan class=\"pl-ent\"\u003e\"decompress\"\u003c/span\u003e: {\n\t\t\u003cspan class=\"pl-ent\"\u003e\"min\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.192\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"max\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e2.288\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"total\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e30.935\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"count\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e100\u003c/span\u003e,\n\t\t\u003cspan class=\"pl-ent\"\u003e\"avg\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003e0.30935\u003c/span\u003e\n\t}\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eHere are descriptions of the properties:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ecurrent_sec\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eDate/time of the current second, expressed as \u003ca href=\"https://en.wikipedia.org/wiki/Unix_time\" rel=\"nofollow\"\u003eEpoch\u003c/a\u003e seconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ecount_sec\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe number of requests completed during the current second (used to compute req/sec).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003epeak_sec\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe requests per second during the peak (best performing) second.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etotal_reqs\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total number of requests sent.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etotal_warnings\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total number of warnings received.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etotal_errors\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total number of errors received.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ebytes_sent\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total number of bytes sent.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ebytes_received\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total number of bytes received.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etime_start\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe date/time of when the run started, expressed as \u003ca href=\"https://en.wikipedia.org/wiki/Unix_time\" rel=\"nofollow\"\u003eEpoch\u003c/a\u003e seconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etotal\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the total request time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003edns\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the DNS lookup time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003econnect\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the TCP connect time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003esend\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the data send time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ewait\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the request wait time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ereceive\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the data receive time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003edecompress\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eRaw HTTP performance metrics for the decompress time (see below).\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cp dir=\"auto\"\u003eEach of the HTTP performance objects contain the following properties:\u003c/p\u003e\n\u003cmarkdown-accessiblity-table\u003e\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c/th\u003e\n\u003cth\u003eDescription\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe minimum time recorded for the metric, in milliseconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe maximum time recorded for the metric, in milliseconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003etotal\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total of all time measurements added together (used to compute the average), in milliseconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003ecount\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe total number of samples recorded for the metric.\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003eavg\u003c/code\u003e\u003c/td\u003e\n\u003ctd\u003eThe average time for the metric (\u003ccode\u003etotal\u003c/code\u003e divided by \u003ccode\u003ecount\u003c/code\u003e), in milliseconds.\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\u003c/markdown-accessiblity-table\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003equiet\u003c/h3\u003e\u003ca id=\"user-content-quiet\" class=\"anchor\" aria-label=\"Permalink: quiet\" href=\"#quiet\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eTo suppress all \u003ccode\u003ewperf\u003c/code\u003e script output (with some exceptions -- see below), include the \u003ccode\u003e--quiet\u003c/code\u003e argument on the command-line, or set the \u003ccode\u003equiet\u003c/code\u003e JSON configuration property to \u003ccode\u003etrue\u003c/code\u003e. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --quiet\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --quiet\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;quiet\u0026quot;: true\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"quiet\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003etrue\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eThis will cause all output to be suppressed, with these two exceptions:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eIf the script detects that it is running on an actual terminal, vs. being called from a script or pipe, then the progress bar is displayed.\u003c/li\u003e\n\u003cli\u003eIf \u003ca href=\"#stats\"\u003estats\u003c/a\u003e mode is activated, this busts through quiet mode (the assumption is, if you asked for stats, you want stats).\u003c/li\u003e\n\u003c/ul\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ecolor\u003c/h3\u003e\u003ca id=\"user-content-color\" class=\"anchor\" aria-label=\"Permalink: color\" href=\"#color\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eBy default, \u003ccode\u003ewperf\u003c/code\u003e outputs its reports and tables using ANSI colors in your terminal. However, if for some reason you don't want color output, you can disable it by either setting the \u003ccode\u003e--color\u003c/code\u003e command-line argument to \u003ccode\u003efalse\u003c/code\u003e, or setting the \u003ccode\u003ecolor\u003c/code\u003e JSON configuration property to \u003ccode\u003efalse\u003c/code\u003e. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --color false\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --color false\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;color\u0026quot;: false\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"color\"\u003c/span\u003e: \u003cspan class=\"pl-c1\"\u003efalse\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch3 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003ewrapper (Advanced)\u003c/h3\u003e\u003ca id=\"user-content-wrapper-advanced\" class=\"anchor\" aria-label=\"Permalink: wrapper (Advanced)\" href=\"#wrapper-advanced\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNote:\u003c/strong\u003e This is an advanced feature, which requires Node.js programming knowledge.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003ccode\u003ewperf\u003c/code\u003e allows you to \"wrap\" (hook) the internal request cycle, to run your own Node.js function and perform actions before and/or after each request. Using this you can manipulate or generate your own URLs in code, and/or filter or change the HTTP responses as well. To do this, you will have to write your own Node.js script.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThe feature is activated by the \u003ccode\u003e--wrapper\u003c/code\u003e command-line argument, or the \u003ccode\u003ewrapper\u003c/code\u003e JSON configuration property. Either way, it should be set to a filesystem path pointing at your Node.js script. Example:\u003c/p\u003e\n\u003cdiv class=\"snippet-clipboard-content notranslate position-relative overflow-auto\" data-snippet-clipboard-copy-content=\"wperf https://myserver.com/some/path --wrapper /path/to/my-request-wrapper.js\"\u003e\u003cpre class=\"notranslate\"\u003e\u003ccode\u003ewperf https://myserver.com/some/path --wrapper /path/to/my-request-wrapper.js\n\u003c/code\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eExample JSON configuration:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-json notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"{\n\t\u0026quot;url\u0026quot;: \u0026quot;https://myserver.com/some/path\u0026quot;,\n\t\u0026quot;wrapper\u0026quot;: \u0026quot;/path/to/my-request-wrapper.js\u0026quot;\n}\"\u003e\u003cpre\u003e{\n\t\u003cspan class=\"pl-ent\"\u003e\"url\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003ehttps://myserver.com/some/path\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e,\n\t\u003cspan class=\"pl-ent\"\u003e\"wrapper\"\u003c/span\u003e: \u003cspan class=\"pl-s\"\u003e\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e/path/to/my-request-wrapper.js\u003cspan class=\"pl-pds\"\u003e\"\u003c/span\u003e\u003c/span\u003e\n}\u003c/pre\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYour Node.js script should export a class with the following definition:\u003c/p\u003e\n\u003cdiv class=\"highlight highlight-source-js notranslate position-relative overflow-auto\" dir=\"auto\" data-snippet-clipboard-copy-content=\"module.exports = class RequestWrapper {\n\t\n\tconstructor(request, args) {\n\t\t// class constructor, save request and args for later use\n\t\tthis.request = request;\n\t\tthis.args = args;\n\t}\n\t\n\tget(url, opts, callback) {\n\t\t// called for every `GET` request\n\t\t// callback expects (err, resp, data, perf)\n\t\tthis.request.get( url, opts, callback );\n\t}\n\t\n};\"\u003e\u003cpre\u003e\u003cspan class=\"pl-smi\"\u003emodule\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003e\u003cspan class=\"pl-c1\"\u003eexports\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e=\u003c/span\u003e \u003cspan class=\"pl-k\"\u003eclass\u003c/span\u003e \u003cspan class=\"pl-v\"\u003eRequestWrapper\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n\t\n\t\u003cspan class=\"pl-en\"\u003econstructor\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003e\u003cspan class=\"pl-s1\"\u003erequest\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e,\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003eargs\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n\t\t\u003cspan class=\"pl-c\"\u003e// class constructor, save request and args for later use\u003c/span\u003e\n\t\t\u003cspan class=\"pl-smi\"\u003ethis\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003e\u003cspan class=\"pl-c1\"\u003erequest\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e=\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003erequest\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e;\u003c/span\u003e\n\t\t\u003cspan class=\"pl-smi\"\u003ethis\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003e\u003cspan class=\"pl-c1\"\u003eargs\u003c/span\u003e \u003cspan class=\"pl-c1\"\u003e=\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003eargs\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e;\u003c/span\u003e\n\t\u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\n\t\n\t\u003cspan class=\"pl-en\"\u003eget\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003e\u003cspan class=\"pl-s1\"\u003eurl\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e,\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003eopts\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e,\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003ecallback\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e{\u003c/span\u003e\n\t\t\u003cspan class=\"pl-c\"\u003e// called for every `GET` request\u003c/span\u003e\n\t\t\u003cspan class=\"pl-c\"\u003e// callback expects (err, resp, data, perf)\u003c/span\u003e\n\t\t\u003cspan class=\"pl-smi\"\u003ethis\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003e\u003cspan class=\"pl-c1\"\u003erequest\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e.\u003c/span\u003e\u003cspan class=\"pl-en\"\u003eget\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e(\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003eurl\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e,\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003eopts\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e,\u003c/span\u003e \u003cspan class=\"pl-s1\"\u003ecallback\u003c/span\u003e \u003cspan class=\"pl-kos\"\u003e)\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e;\u003c/span\u003e\n\t\u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\n\t\n\u003cspan class=\"pl-kos\"\u003e}\u003c/span\u003e\u003cspan class=\"pl-kos\"\u003e;\u003c/span\u003e\u003c/pre\u003e\u003c/div\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch4 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eWrapper Constructor\u003c/h4\u003e\u003ca id=\"user-content-wrapper-constructor\" class=\"anchor\" aria-label=\"Permalink: Wrapper Constructor\" href=\"#wrapper-constructor\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eYour class constructor is passed exactly two arguments:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eA reference to the request library, which is an instance of \u003ca href=\"https://github.com/jhuckaby/pixl-request\"\u003epixl-request\u003c/a\u003e.\u003c/li\u003e\n\u003cli\u003eThe current configuration object (usually parsed command-line arguments, but may also include a parsed JSON configuration file).\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp dir=\"auto\"\u003eIt is recommended that you store both of these in your class for later use.\u003c/p\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch4 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eWrapper Method Hook\u003c/h4\u003e\u003ca id=\"user-content-wrapper-method-hook\" class=\"anchor\" aria-label=\"Permalink: Wrapper Method Hook\" href=\"#wrapper-method-hook\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003eFor each HTTP request, your wrapper class is invoked by calling a method named after the current HTTP method, converted to lower-case. For example, if the current configuration is set to send HTTP GET requests, then your wrapper will need to have a \u003ccode\u003eget()\u003c/code\u003e method defined. For HTTP POST, you will need a \u003ccode\u003epost()\u003c/code\u003e method, and so on. In all cases, the function is passed 3 arguments:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eThe current URL, which may have been dynamically generated using placeholder substitution variables.\u003c/li\u003e\n\u003cli\u003eThe current request options object (see \u003ca href=\"https://nodejs.org/api/http.html#http_http_request_options_callback\" rel=\"nofollow\"\u003ehttp.request\u003c/a\u003e for all the properties you can set here).\u003c/li\u003e\n\u003cli\u003eA callback function to fire when the request completes.\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp dir=\"auto\"\u003eUpon the completion of each request, success or fail, the callback function expects four arguments:\u003c/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eAn Error object, if an error occurred (otherwise this should be falsey).\u003c/li\u003e\n\u003cli\u003eThe HTTP response object, which should be a \u003ca href=\"https://nodejs.org/api/http.html#http_class_http_serverresponse\" rel=\"nofollow\"\u003ehttp.ServerResponse\u003c/a\u003e object from Node.js.\u003c/li\u003e\n\u003cli\u003eThe HTTP response body, as a Buffer object.\u003c/li\u003e\n\u003cli\u003eThe performance metrics, which should be an instance of \u003ca href=\"https://github.com/jhuckaby/pixl-perf\"\u003epixl-perf\u003c/a\u003e.\u003c/li\u003e\n\u003c/ul\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch1 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eRelated\u003c/h1\u003e\u003ca id=\"user-content-related\" class=\"anchor\" aria-label=\"Permalink: Related\" href=\"#related\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\u003ca href=\"https://github.com/jhuckaby/pixl-request\"\u003epixl-request\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eUnderlying HTTP library used to send all requests and track detailed performance metrics.\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"https://github.com/jhuckaby/pixl-cli\"\u003epixl-cli\u003c/a\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eCommand-line library, used to generate the progress bar, time remaining and colored tables.\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\n\u003cdiv class=\"markdown-heading\" dir=\"auto\"\u003e\u003ch1 tabindex=\"-1\" class=\"heading-element\" dir=\"auto\"\u003eLicense (MIT)\u003c/h1\u003e\u003ca id=\"user-content-license-mit\" class=\"anchor\" aria-label=\"Permalink: License (MIT)\" href=\"#license-mit\"\u003e\u003csvg class=\"octicon octicon-link\" viewBox=\"0 0 16 16\" version=\"1.1\" width=\"16\" height=\"16\" aria-hidden=\"true\"\u003e\u003cpath d=\"m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z\"\u003e\u003c/path\u003e\u003c/svg\u003e\u003c/a\u003e\u003c/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eThe MIT License\u003c/strong\u003e\u003c/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cem\u003eCopyright (c) 2019 Joseph Huckaby.\u003c/em\u003e\u003c/p\u003e\n\u003cp dir=\"auto\"\u003ePermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\u003c/p\u003e\n\u003cp dir=\"auto\"\u003eTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE.\u003c/p\u003e\n\u003c/article\u003e","loaded":true,"timedOut":false,"errorMessage":null,"headerInfo":{"toc":[{"level":1,"text":"Overview","anchor":"overview","htmlText":"Overview"},{"level":2,"text":"Progress Display","anchor":"progress-display","htmlText":"Progress Display"},{"level":2,"text":"Completed Output","anchor":"completed-output","htmlText":"Completed Output"},{"level":1,"text":"Usage","anchor":"usage","htmlText":"Usage"},{"level":2,"text":"Configuration Options","anchor":"configuration-options","htmlText":"Configuration Options"},{"level":3,"text":"url","anchor":"url","htmlText":"url"},{"level":3,"text":"params","anchor":"params","htmlText":"params"},{"level":3,"text":"max","anchor":"max","htmlText":"max"},{"level":3,"text":"threads","anchor":"threads","htmlText":"threads"},{"level":3,"text":"keepalive","anchor":"keepalive","htmlText":"keepalive"},{"level":3,"text":"throttle","anchor":"throttle","htmlText":"throttle"},{"level":3,"text":"timeout","anchor":"timeout","htmlText":"timeout"},{"level":3,"text":"warn","anchor":"warn","htmlText":"warn"},{"level":3,"text":"warnings","anchor":"warnings","htmlText":"warnings"},{"level":3,"text":"fatal","anchor":"fatal","htmlText":"fatal"},{"level":3,"text":"verbose","anchor":"verbose","htmlText":"verbose"},{"level":3,"text":"cache_dns","anchor":"cache_dns","htmlText":"cache_dns"},{"level":3,"text":"auth","anchor":"auth","htmlText":"auth"},{"level":3,"text":"compress","anchor":"compress","htmlText":"compress"},{"level":3,"text":"useragent","anchor":"useragent","htmlText":"useragent"},{"level":3,"text":"follow","anchor":"follow","htmlText":"follow"},{"level":3,"text":"retries","anchor":"retries","htmlText":"retries"},{"level":3,"text":"insecure","anchor":"insecure","htmlText":"insecure"},{"level":3,"text":"headers","anchor":"headers","htmlText":"headers"},{"level":3,"text":"method","anchor":"method","htmlText":"method"},{"level":3,"text":"data","anchor":"data","htmlText":"data"},{"level":3,"text":"multipart","anchor":"multipart","htmlText":"multipart"},{"level":3,"text":"files","anchor":"files","htmlText":"files"},{"level":3,"text":"success_match","anchor":"success_match","htmlText":"success_match"},{"level":3,"text":"error_match","anchor":"error_match","htmlText":"error_match"},{"level":3,"text":"histo","anchor":"histo","htmlText":"histo"},{"level":3,"text":"histo_ranges","anchor":"histo_ranges","htmlText":"histo_ranges"},{"level":3,"text":"stats","anchor":"stats","htmlText":"stats"},{"level":3,"text":"quiet","anchor":"quiet","htmlText":"quiet"},{"level":3,"text":"color","anchor":"color","htmlText":"color"},{"level":3,"text":"wrapper (Advanced)","anchor":"wrapper-advanced","htmlText":"wrapper (Advanced)"},{"level":4,"text":"Wrapper Constructor","anchor":"wrapper-constructor","htmlText":"Wrapper Constructor"},{"level":4,"text":"Wrapper Method Hook","anchor":"wrapper-method-hook","htmlText":"Wrapper Method Hook"},{"level":1,"text":"Related","anchor":"related","htmlText":"Related"},{"level":1,"text":"License (MIT)","anchor":"license-mit","htmlText":"License (MIT)"}],"siteNavLoginPath":"/login?return_to=https%3A%2F%2Fgithub.com%2Fjhuckaby%2Fwperf"}},{"displayName":"LICENSE.md","repoName":"wperf","refName":"master","path":"LICENSE.md","preferredFileType":"license","tabName":"License","richText":null,"loaded":false,"timedOut":false,"errorMessage":null,"headerInfo":{"toc":null,"siteNavLoginPath":"/login?return_to=https%3A%2F%2Fgithub.com%2Fjhuckaby%2Fwperf"}}],"overviewFilesProcessingTime":0}},"appPayload":{"helpUrl":"https://docs.github.com","findFileWorkerPath":"/assets-cdn/worker/find-file-worker-7d7eb7c71814.js","findInFileWorkerPath":"/assets-cdn/worker/find-in-file-worker-96e76d5fdb2c.js","githubDevUrl":null,"enabled_features":{"copilot_workspace":null,"code_nav_ui_events":false,"overview_shared_code_dropdown_button":false,"react_blob_overlay":false,"accessible_code_button":true,"github_models_repo_integration":false}}}}</script> <div data-target="react-partial.reactRoot"><style data-styled="true" 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1.5h-8.5a.75.75 0 0 1 0-1.5ZM2 14a1 1 0 1 1 0-2 1 1 0 0 1 0 2Zm1-6a1 1 0 1 1-2 0 1 1 0 0 1 2 0ZM2 4a1 1 0 1 1 0-2 1 1 0 0 1 0 2Z"></path></svg></button></div><div class="Box-sc-g0xbh4-0 QkQOb js-snippet-clipboard-copy-unpositioned undefined" data-hpc="true"><article class="markdown-body entry-content container-lg" itemprop="text"><details><summary>Table of Contents</summary> <ul dir="auto"> <li><a href="#overview">Overview</a> <ul dir="auto"> <li><a href="#progress-display">Progress Display</a></li> <li><a href="#completed-output">Completed Output</a></li> </ul> </li> <li><a href="#usage">Usage</a> <ul dir="auto"> <li><a href="#configuration-options">Configuration Options</a> <ul dir="auto"> <li><a href="#url">url</a></li> <li><a href="#params">params</a></li> <li><a href="#max">max</a></li> <li><a href="#threads">threads</a></li> <li><a href="#keepalive">keepalive</a></li> <li><a href="#throttle">throttle</a></li> <li><a href="#timeout">timeout</a></li> <li><a href="#warn">warn</a></li> <li><a href="#warnings">warnings</a></li> <li><a href="#fatal">fatal</a></li> <li><a href="#verbose">verbose</a></li> <li><a href="#cache_dns">cache_dns</a></li> <li><a href="#auth">auth</a></li> <li><a href="#compress">compress</a></li> <li><a href="#useragent">useragent</a></li> <li><a href="#follow">follow</a></li> <li><a href="#retries">retries</a></li> <li><a href="#insecure">insecure</a></li> <li><a href="#headers">headers</a></li> <li><a href="#method">method</a></li> <li><a href="#data">data</a></li> <li><a href="#multipart">multipart</a></li> <li><a href="#files">files</a></li> <li><a href="#success_match">success_match</a></li> <li><a href="#error_match">error_match</a></li> <li><a href="#histo">histo</a></li> <li><a href="#histo_ranges">histo_ranges</a></li> <li><a href="#stats">stats</a></li> <li><a href="#quiet">quiet</a></li> <li><a href="#color">color</a></li> <li><a href="#wrapper-advanced">wrapper (Advanced)</a> <ul dir="auto"> <li><a href="#wrapper-constructor">Wrapper Constructor</a></li> <li><a href="#wrapper-method-hook">Wrapper Method Hook</a></li> </ul> </li> </ul> </li> </ul> </li> <li><a href="#related">Related</a></li> <li><a href="#license-mit">License (MIT)</a></li> </ul> </details> <div class="markdown-heading" dir="auto"><h1 tabindex="-1" class="heading-element" dir="auto">Overview</h1><a id="user-content-overview" class="anchor" aria-label="Permalink: Overview" href="#overview"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto"><strong>WebPerf</strong> (<code>wperf</code>) is a simple command-line HTTP load tester utility, which can send repeated HTTP requests to a target URL or set of URLs. It provides detailed performance metrics, including a breakdown of all the HTTP request phases, and a histogram showing the elapsed time spread.</p> <p dir="auto">This is similar to the popular <a href="http://httpd.apache.org/docs/2.4/programs/ab.html" rel="nofollow">ApacheBench</a> (<code>ab</code>) tool, but provides additional features like dynamic URL substitution, progress display with time remaining and live req/sec, a more detailed performance breakdown, and the ability to save configurations in JSON files.</p> <p dir="auto">During a run, the script will display a graphical progress bar with estimated time remaining, and the current requests per second. You can also hit <strong>Ctrl+Z</strong> to output an in-progress report, and of course <strong>Ctrl+C</strong> to abort a run, which will render one final report before exiting.</p> <div class="markdown-heading" dir="auto"><h2 tabindex="-1" class="heading-element" dir="auto">Progress Display</h2><a id="user-content-progress-display" class="anchor" aria-label="Permalink: Progress Display" href="#progress-display"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/3c6c1f27e6bf37f595d0774ea8478864e1352f8cbb784a5e366d6431800e209e/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f70726f67726573732e706e67"><img src="https://camo.githubusercontent.com/3c6c1f27e6bf37f595d0774ea8478864e1352f8cbb784a5e366d6431800e209e/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f70726f67726573732e706e67" alt="Screenshot" data-canonical-src="https://pixlcore.com/software/wperf/progress.png" style="max-width: 100%;"></a></p> <div class="markdown-heading" dir="auto"><h2 tabindex="-1" class="heading-element" dir="auto">Completed Output</h2><a id="user-content-completed-output" class="anchor" aria-label="Permalink: Completed Output" href="#completed-output"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://camo.githubusercontent.com/9986319d7f840a07d26456148c07c7ce2be3c1ec3ad1ddb655581690c0641000/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f7465726d696e616c2e706e67"><img src="https://camo.githubusercontent.com/9986319d7f840a07d26456148c07c7ce2be3c1ec3ad1ddb655581690c0641000/68747470733a2f2f7069786c636f72652e636f6d2f736f6674776172652f77706572662f7465726d696e616c2e706e67" alt="Screenshot" data-canonical-src="https://pixlcore.com/software/wperf/terminal.png" style="max-width: 100%;"></a></p> <p dir="auto"><strong>Notes:</strong></p> <ul dir="auto"> <li>The "Samples" numbers may differ between metrics for things like Keep-Alives, which will reuse sockets and therefore require fewer DNS lookups and TCP connects.</li> <li>The "Decompress" metric is only applicable for encoded (compressed) server responses (i.e. Gzip, Deflate).</li> <li>The "Peak Performance" is the best performing second, which is only shown if the total time covered a full second.</li> <li>A "warning" is a request that took longer than a specified duration (default is 1 second).</li> <li>An "error is a bad HTTP response (outside of the 2xx or 3xx range) or DNS lookup / TCP connect failure.</li> </ul> <div class="markdown-heading" dir="auto"><h1 tabindex="-1" class="heading-element" dir="auto">Usage</h1><a id="user-content-usage" class="anchor" aria-label="Permalink: Usage" href="#usage"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">Use <a href="https://www.npmjs.com/" rel="nofollow">npm</a> to install the module as a command-line executable:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="npm install -g wperf"><pre class="notranslate"><code>npm install -g wperf </code></pre></div> <p dir="auto">Then call it using <code>wperf</code> and specify your URL and options on the command-line:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf URL [--OPTION1 --OPTION2 ...]"><pre class="notranslate"><code>wperf URL [--OPTION1 --OPTION2 ...] </code></pre></div> <p dir="auto">Example command:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --max 100 --threads 2 --keepalive"><pre class="notranslate"><code>wperf https://myserver.com/some/path --max 100 --threads 2 --keepalive </code></pre></div> <p dir="auto">This would send an HTTP GET request to the specified URL 100 times using 2 threads, and utilizing <a href="https://en.wikipedia.org/wiki/HTTP_persistent_connection" rel="nofollow">HTTP Keep-Alives</a> (i.e. reuse sockets for subsequent requests, if the target server supports it).</p> <p dir="auto">Alternatively, you can store all your configuration settings in a JSON file, and specify it as the first argument (see below for details on how to format the JSON file):</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf my-load-test.json"><pre class="notranslate"><code>wperf my-load-test.json </code></pre></div> <p dir="auto">You can also include command-line arguments after the configuration file which acts as overrides:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf my-load-test.json --verbose"><pre class="notranslate"><code>wperf my-load-test.json --verbose </code></pre></div> <div class="markdown-heading" dir="auto"><h2 tabindex="-1" class="heading-element" dir="auto">Configuration Options</h2><a id="user-content-configuration-options" class="anchor" aria-label="Permalink: Configuration Options" href="#configuration-options"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">You can specify most configuration options on the command line (using the syntax <code>--key value</code>) or in a JSON configuration file as a top-level property. There are a few exceptions which are noted below.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">url</h3><a id="user-content-url" class="anchor" aria-label="Permalink: url" href="#url"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">Use the command-line <code>--url</code> or JSON <code>url</code> property to specify the URL to be requested. As a shortcut, the URL can be specified as the first argument to the command-line script, without the <code>--url</code> prefix. Example command-line:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path"><pre class="notranslate"><code>wperf https://myserver.com/some/path </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">params</h3><a id="user-content-params" class="anchor" aria-label="Permalink: params" href="#params"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">If you use a JSON configuration file, you can insert <code>[placeholder]</code> variables into your URL. These are expanded by looking in a <code>params</code> object in the JSON file, if provided. Further, each parameter may be an array of values, of which one is picked randomly per request. Example:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path?food=[food]", "params": { "food": ["apple", "orange", "banana"] } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path?food=[food]<span class="pl-pds">"</span></span>, <span class="pl-ent">"params"</span>: { <span class="pl-ent">"food"</span>: [<span class="pl-s"><span class="pl-pds">"</span>apple<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>orange<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>banana<span class="pl-pds">"</span></span>] } }</pre></div> <p dir="auto">This would produce three different URLs, picked randomly for each request:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="https://myserver.com/some/path?food=apple https://myserver.com/some/path?food=orange https://myserver.com/some/path?food=banana"><pre class="notranslate"><code>https://myserver.com/some/path?food=apple https://myserver.com/some/path?food=orange https://myserver.com/some/path?food=banana </code></pre></div> <p dir="auto">You can nest parameters, meaning the values can themselves contain <code>[placeholder]</code> variables, which are further expanded until all are satisfied (up to 32 levels deep). Example of this:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com[uri]", "params": { "uri": [ "/some/path?&action=eat&food=[food]", "/some/other/path?&action=drink&beverage=[beverage]" ], "food": ["apple", "orange", "banana"], "beverage": ["coke", "pepsi"] } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com[uri]<span class="pl-pds">"</span></span>, <span class="pl-ent">"params"</span>: { <span class="pl-ent">"uri"</span>: [ <span class="pl-s"><span class="pl-pds">"</span>/some/path?&action=eat&food=[food]<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>/some/other/path?&action=drink&beverage=[beverage]<span class="pl-pds">"</span></span> ], <span class="pl-ent">"food"</span>: [<span class="pl-s"><span class="pl-pds">"</span>apple<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>orange<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>banana<span class="pl-pds">"</span></span>], <span class="pl-ent">"beverage"</span>: [<span class="pl-s"><span class="pl-pds">"</span>coke<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>pepsi<span class="pl-pds">"</span></span>] } }</pre></div> <p dir="auto">Here we have the full URI path substituted out as <code>[uri]</code>, which may pick one of two values, one with a <code>[food]</code> and one with a <code>[beverage]</code> variable. This particular configuration would result in 5 total unique URLs.</p> <p dir="auto">If you just want to pick from a random list of URLs, simply set the <code>url</code> property to a string containing a single macro like <code>[url]</code>, then list all your URLs like this:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "[url]", "params": { "url": [ "http://server1.com/path/one", "http://server2.com/path/two", "http://server3.com/path/three" ] } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>[url]<span class="pl-pds">"</span></span>, <span class="pl-ent">"params"</span>: { <span class="pl-ent">"url"</span>: [ <span class="pl-s"><span class="pl-pds">"</span>http://server1.com/path/one<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>http://server2.com/path/two<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>http://server3.com/path/three<span class="pl-pds">"</span></span> ] } }</pre></div> <p dir="auto">If you simply want a random number on your URLs, you can use the <code>[#-#]</code> shortcut, which will pick a random integer within the specified range (inclusive). Example:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path?&random=[0-99999]" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path?&random=[0-99999]<span class="pl-pds">"</span></span> }</pre></div> <p dir="auto">You can optionally store your parameters in their own JSON file. To use this feature, specify the file path using the <code>--params</code> command-line argument, or as a <code>params</code> string property in your configuration file. Example of the latter:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path?food=[food]", "params": "my_params_file.json" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path?food=[food]<span class="pl-pds">"</span></span>, <span class="pl-ent">"params"</span>: <span class="pl-s"><span class="pl-pds">"</span>my_params_file.json<span class="pl-pds">"</span></span> }</pre></div> <p dir="auto">And then the contents of <code>my_params_file.json</code> would be:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "food": ["apple", "orange", "banana"] }"><pre>{ <span class="pl-ent">"food"</span>: [<span class="pl-s"><span class="pl-pds">"</span>apple<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>orange<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>banana<span class="pl-pds">"</span></span>] }</pre></div> <p dir="auto">Here is an example of specifying the parameters file using the command line:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --params my_params_file.json"><pre class="notranslate"><code>wperf https://myserver.com/some/path --params my_params_file.json </code></pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">max</h3><a id="user-content-max" class="anchor" aria-label="Permalink: max" href="#max"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>max</code> parameter specifies the total number of HTTP requests to send (regardless of threads). You can specify this on the command-line or in a configuration file. The default is <code>1</code>. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --max 100"><pre class="notranslate"><code>wperf https://myserver.com/some/path --max 100 </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "max": 100 }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">100</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">threads</h3><a id="user-content-threads" class="anchor" aria-label="Permalink: threads" href="#threads"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>threads</code> parameter specifies the number of "threads" (i.e. concurrent HTTP requests) to send. You can specify this on the command-line or in a configuration file. The default is <code>1</code>. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --max 100 --threads 4"><pre class="notranslate"><code>wperf https://myserver.com/some/path --max 100 --threads 4 </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "max": 100, "threads": 4 }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"threads"</span>: <span class="pl-c1">4</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">keepalive</h3><a id="user-content-keepalive" class="anchor" aria-label="Permalink: keepalive" href="#keepalive"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>keepalive</code> parameter, when present on the command-line or set to <code>true</code> in your JSON configuration, enables <a href="https://en.wikipedia.org/wiki/HTTP_persistent_connection" rel="nofollow">HTTP Keep-Alives</a> for all requests. This means that sockets will be reused whenever possible (if the target server supports it and doesn't close the socket itself). The default behavior is to disable Keep-Alives, and open a new socket for every request. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --max 100 --keepalive"><pre class="notranslate"><code>wperf https://myserver.com/some/path --max 100 --keepalive </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "max": 100, "keepalive": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"keepalive"</span>: <span class="pl-c1">true</span> }</pre></div> <p dir="auto">Of course, Keep-Alives only take effect if you send more than one request.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">throttle</h3><a id="user-content-throttle" class="anchor" aria-label="Permalink: throttle" href="#throttle"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>throttle</code> parameter allows you to set a maximum requests per second limit, which the script will always stay under, regardless of the number of threads. You can specify this on the command-line or in a configuration file. The default is <em>unlimited</em>. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --max 100 --throttle 10"><pre class="notranslate"><code>wperf https://myserver.com/some/path --max 100 --throttle 10 </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "max": 100, "throttle": 10 }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"throttle"</span>: <span class="pl-c1">10</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">timeout</h3><a id="user-content-timeout" class="anchor" aria-label="Permalink: timeout" href="#timeout"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>timeout</code> parameter allows you to specify a maximum time for requests in seconds, before they are aborted and considered an error. This is measured as the <a href="https://en.wikipedia.org/wiki/Time_to_first_byte" rel="nofollow">time to first byte</a>, and is specified as seconds. You can set this on the command-line or in a configuration file. The default is <code>5</code> seconds. The value can be a floating point decimal (fractional seconds). Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --timeout 2.5"><pre class="notranslate"><code>wperf https://myserver.com/some/path --timeout 2.5 </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "timeout": 2.5 }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"timeout"</span>: <span class="pl-c1">2.5</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">warn</h3><a id="user-content-warn" class="anchor" aria-label="Permalink: warn" href="#warn"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>warn</code> parameter allows you to specify a maximum time for requests in seconds, before they are logged as a warning. You can set this on the command-line or in a configuration file. The default is <code>1</code> second. The value can be a floating point decimal (fractional seconds). Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --warn 0.5"><pre class="notranslate"><code>wperf https://myserver.com/some/path --warn 0.5 </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "warn": 0.5 }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"warn"</span>: <span class="pl-c1">0.5</span> }</pre></div> <p dir="auto">Warnings are printed to STDERR, and contain a date/time stamp (local time), the request sequence number, the HTTP response code, and a JSON object containing the raw performance metrics (measured in milliseconds), along with the bytes sent & received, and the URL that was requested. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="[2019/08/31 16:46:20] Perf Warning: Req #1: HTTP 200 OK -- {"scale":1000,"perf":{"total":20.584,"dns":2.647,"send":0,"connect":0.477,"wait":13.68,"receive":1.102,"decompress":2.323},"counters":{"bytes_sent":151,"bytes_received":266},"url":"http://localhost:3012/rsleep?veg=celery"}"><pre class="notranslate"><code>[2019/08/31 16:46:20] Perf Warning: Req #1: HTTP 200 OK -- {"scale":1000,"perf":{"total":20.584,"dns":2.647,"send":0,"connect":0.477,"wait":13.68,"receive":1.102,"decompress":2.323},"counters":{"bytes_sent":151,"bytes_received":266},"url":"http://localhost:3012/rsleep?veg=celery"} </code></pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">warnings</h3><a id="user-content-warnings" class="anchor" aria-label="Permalink: warnings" href="#warnings"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">If you would prefer warnings in a more machine-readable format, you can have them logged to a file using <a href="http://ndjson.org/" rel="nofollow">newline delimited JSON</a> format. To enable this, include the <code>--warnings</code> command-line argument followed by a log file path, or use the <code>warnings</code> configuration property. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --warn 0.5 --warnings /var/log/my-warning-log.ndjson"><pre class="notranslate"><code>wperf https://myserver.com/some/path --warn 0.5 --warnings /var/log/my-warning-log.ndjson </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "warn": 0.5, "warnings": "/var/log/my-warning-log.ndjson" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"warn"</span>: <span class="pl-c1">0.5</span>, <span class="pl-ent">"warnings"</span>: <span class="pl-s"><span class="pl-pds">"</span>/var/log/my-warning-log.ndjson<span class="pl-pds">"</span></span> }</pre></div> <p dir="auto">Here is an example warning log entry (the JSON has been pretty-printed for display purposes):</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "perf": { "total": 34.992, "dns": 2.324, "send": 0, "connect": 0.423, "wait": 29.014, "receive": 0.801, "decompress": 2.168 }, "counters": { "bytes_sent": 151, "bytes_received": 266 }, "url": "http://localhost:3012/rsleep?veg=celery", "code": 200, "status": "OK", "req_num": 1, "now": 1567295312, "date_time": "[2019/08/31 16:48:32]" }"><pre>{ <span class="pl-ent">"perf"</span>: { <span class="pl-ent">"total"</span>: <span class="pl-c1">34.992</span>, <span class="pl-ent">"dns"</span>: <span class="pl-c1">2.324</span>, <span class="pl-ent">"send"</span>: <span class="pl-c1">0</span>, <span class="pl-ent">"connect"</span>: <span class="pl-c1">0.423</span>, <span class="pl-ent">"wait"</span>: <span class="pl-c1">29.014</span>, <span class="pl-ent">"receive"</span>: <span class="pl-c1">0.801</span>, <span class="pl-ent">"decompress"</span>: <span class="pl-c1">2.168</span> }, <span class="pl-ent">"counters"</span>: { <span class="pl-ent">"bytes_sent"</span>: <span class="pl-c1">151</span>, <span class="pl-ent">"bytes_received"</span>: <span class="pl-c1">266</span> }, <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>http://localhost:3012/rsleep?veg=celery<span class="pl-pds">"</span></span>, <span class="pl-ent">"code"</span>: <span class="pl-c1">200</span>, <span class="pl-ent">"status"</span>: <span class="pl-s"><span class="pl-pds">"</span>OK<span class="pl-pds">"</span></span>, <span class="pl-ent">"req_num"</span>: <span class="pl-c1">1</span>, <span class="pl-ent">"now"</span>: <span class="pl-c1">1567295312</span>, <span class="pl-ent">"date_time"</span>: <span class="pl-s"><span class="pl-pds">"</span>[2019/08/31 16:48:32]<span class="pl-pds">"</span></span> }</pre></div> <p dir="auto">Here are descriptions of the properties:</p> <markdown-accessiblity-table><table> <thead> <tr> <th>Property</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td><code>perf</code></td> <td>This object contains the raw performance metrics for the request, which are all measured in milliseconds. See <a href="https://github.com/jhuckaby/pixl-request#performance-metrics">Performance Metrics</a> for details.</td> </tr> <tr> <td><code>counters</code></td> <td>This object contains raw counters, including <code>bytes_sent</code> and <code>bytes_received</code>, which count the number of bytes sent and received for the request, respectively.</td> </tr> <tr> <td><code>url</code></td> <td>This is the URL that was requested. It is included because it may have been dynamically constructed with placeholder substitutions.</td> </tr> <tr> <td><code>code</code></td> <td>This is the HTTP response code sent back from the server.</td> </tr> <tr> <td><code>status</code></td> <td>This is the HTTP status line sent back from the server.</td> </tr> <tr> <td><code>req_num</code></td> <td>This is the request sequence number (from one to <a href="#max">max</a>).</td> </tr> <tr> <td><code>now</code></td> <td>This is the current date/time expressed as <a href="https://en.wikipedia.org/wiki/Unix_time" rel="nofollow">Epoch</a> seconds.</td> </tr> <tr> <td><code>date_time</code></td> <td>This is the current date/time expressed as a string in the local timezone.</td> </tr> </tbody> </table></markdown-accessiblity-table> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">fatal</h3><a id="user-content-fatal" class="anchor" aria-label="Permalink: fatal" href="#fatal"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>fatal</code> parameter, when present on the command-line or set to <code>true</code> in your JSON configuration, will cause the first HTTP error response to abort the entire run. By default this is disabled, and the script continues after encountering errors. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --fatal"><pre class="notranslate"><code>wperf https://myserver.com/some/path --fatal </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "fatal": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"fatal"</span>: <span class="pl-c1">true</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">verbose</h3><a id="user-content-verbose" class="anchor" aria-label="Permalink: verbose" href="#verbose"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>verbose</code> parameter, when present on the command-line or set to <code>true</code> in your JSON configuration, outputs information about every single request just as it completes. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --verbose"><pre class="notranslate"><code>wperf https://myserver.com/some/path --verbose </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "verbose": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"verbose"</span>: <span class="pl-c1">true</span> }</pre></div> <p dir="auto">Verbose output looks like this:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="[2019/08/31 16:42:54] Req #1: HTTP 200 OK -- {"scale":1000,"perf":{"total":24.139,"dns":2.044,"send":0,"connect":0.43,"wait":17.426,"receive":1.104,"decompress":2.802},"counters":{"bytes_sent":151,"bytes_received":266},"url":"http://localhost:3012/rsleep?veg=celery"} [2019/08/31 16:42:54] Req #2: HTTP 200 OK -- {"scale":1000,"perf":{"total":25.454,"dns":1.872,"send":0,"connect":0.402,"wait":20.285,"receive":0.171,"decompress":2.683},"counters":{"bytes_sent":152,"bytes_received":266},"url":"http://localhost:3012/rsleep?color=green"} [2019/08/31 16:42:54] Req #3: HTTP 200 OK -- {"scale":1000,"perf":{"total":35.035,"dns":2.317,"send":0,"connect":0.378,"wait":31.838,"receive":0.093,"decompress":0.393},"counters":{"bytes_sent":151,"bytes_received":266},"url":"http://localhost:3012/rsleep?veg=celery"} [2019/08/31 16:42:54] Req #4: HTTP 200 OK -- {"scale":1000,"perf":{"total":40.736,"dns":6.997,"send":0,"connect":0.476,"wait":32.247,"receive":0.074,"decompress":0.943},"counters":{"bytes_sent":150,"bytes_received":266},"url":"http://localhost:3012/rsleep?color=red"} [2019/08/31 16:42:54] Req #5: HTTP 200 OK -- {"scale":1000,"perf":{"total":10.893,"send":0.39,"wait":9.735,"receive":0.103,"decompress":0.641},"counters":{"bytes_sent":151,"bytes_received":264},"url":"http://localhost:3012/rsleep?veg=celery"}"><pre class="notranslate"><code>[2019/08/31 16:42:54] Req #1: HTTP 200 OK -- {"scale":1000,"perf":{"total":24.139,"dns":2.044,"send":0,"connect":0.43,"wait":17.426,"receive":1.104,"decompress":2.802},"counters":{"bytes_sent":151,"bytes_received":266},"url":"http://localhost:3012/rsleep?veg=celery"} [2019/08/31 16:42:54] Req #2: HTTP 200 OK -- {"scale":1000,"perf":{"total":25.454,"dns":1.872,"send":0,"connect":0.402,"wait":20.285,"receive":0.171,"decompress":2.683},"counters":{"bytes_sent":152,"bytes_received":266},"url":"http://localhost:3012/rsleep?color=green"} [2019/08/31 16:42:54] Req #3: HTTP 200 OK -- {"scale":1000,"perf":{"total":35.035,"dns":2.317,"send":0,"connect":0.378,"wait":31.838,"receive":0.093,"decompress":0.393},"counters":{"bytes_sent":151,"bytes_received":266},"url":"http://localhost:3012/rsleep?veg=celery"} [2019/08/31 16:42:54] Req #4: HTTP 200 OK -- {"scale":1000,"perf":{"total":40.736,"dns":6.997,"send":0,"connect":0.476,"wait":32.247,"receive":0.074,"decompress":0.943},"counters":{"bytes_sent":150,"bytes_received":266},"url":"http://localhost:3012/rsleep?color=red"} [2019/08/31 16:42:54] Req #5: HTTP 200 OK -- {"scale":1000,"perf":{"total":10.893,"send":0.39,"wait":9.735,"receive":0.103,"decompress":0.641},"counters":{"bytes_sent":151,"bytes_received":264},"url":"http://localhost:3012/rsleep?veg=celery"} </code></pre></div> <p dir="auto">Similar to the <a href="#warn">warn</a> output, these lines contain a date/time stamp (local time), the request sequence number, the HTTP response code, and a JSON object containing the raw performance metrics (measured in milliseconds), along with the bytes sent & received, and the URL that was requested.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">cache_dns</h3><a id="user-content-cache_dns" class="anchor" aria-label="Permalink: cache_dns" href="#cache_dns"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>cache_dns</code> parameter, when present on the command-line or set to <code>true</code> in your JSON configuration, will cache the IP addresses from DNS lookups, so they only need to be requested once per unique domain name. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --cache_dns"><pre class="notranslate"><code>wperf https://myserver.com/some/path --cache_dns </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "cache_dns": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"cache_dns"</span>: <span class="pl-c1">true</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">auth</h3><a id="user-content-auth" class="anchor" aria-label="Permalink: auth" href="#auth"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>auth</code> parameter allows you to include <a href="https://en.wikipedia.org/wiki/Basic_access_authentication" rel="nofollow">HTTP Basic Authentication</a> credentials (i.e. username and password). These should be delimited by a colon (<code>:</code>) character. You can set this on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --auth "jsmith:12345""><pre class="notranslate"><code>wperf https://myserver.com/some/path --auth "jsmith:12345" </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "auth": "jsmith:12345" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"auth"</span>: <span class="pl-s"><span class="pl-pds">"</span>jsmith:12345<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">compress</h3><a id="user-content-compress" class="anchor" aria-label="Permalink: compress" href="#compress"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">By default, the request library supports compressed server responses (i.e. Gzip or Deflate content encoding), and announces support for these via the <code>Accept-Encoding</code> header. The <code>compress</code> property allows you to <em>disable</em> compression support in the request library. Specifically, disabling compression means that an <code>Accept-Encoding: none</code> header is sent with every request, informing the target server that the client doesn't support a compressed response. You can set this property to <code>false</code> on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --compress false"><pre class="notranslate"><code>wperf https://myserver.com/some/path --compress false </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "compress": false }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"compress"</span>: <span class="pl-c1">false</span> }</pre></div> <p dir="auto"><strong>Note:</strong> It is really up to the target server whether this header is followed or not.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">useragent</h3><a id="user-content-useragent" class="anchor" aria-label="Permalink: useragent" href="#useragent"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>useragent</code> parameter allows you to specify a custom <code>User-Agent</code> request header. By default, this is set to <code>Mozilla/5.0; wperf/1.0.0</code>. You can set this property on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --useragent "My Custom Agent v1.2.3""><pre class="notranslate"><code>wperf https://myserver.com/some/path --useragent "My Custom Agent v1.2.3" </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "useragent": "My Custom Agent v1.2.3" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"useragent"</span>: <span class="pl-s"><span class="pl-pds">"</span>My Custom Agent v1.2.3<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">follow</h3><a id="user-content-follow" class="anchor" aria-label="Permalink: follow" href="#follow"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>follow</code> parameter, when present on the command-line or set to <code>true</code> in your JSON configuration, will cause the HTTP request library to automatically follow redirects. That is, HTTP response codes in the <code>3xx</code> range, with an accompanying <code>Location</code> response header. You can set this property on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --follow"><pre class="notranslate"><code>wperf https://myserver.com/some/path --follow </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "follow": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"follow"</span>: <span class="pl-c1">true</span> }</pre></div> <p dir="auto">Alternatively, you can set this parameter to a number value, which represents the total amount of redirects to follow for a given request. This can help prevent infinite redirect loops.</p> <p dir="auto"><strong>Note:</strong> The request library only tracks the performance metrics of the <em>final</em> request in the redirect chain.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">retries</h3><a id="user-content-retries" class="anchor" aria-label="Permalink: retries" href="#retries"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>retries</code> parameter allows you to set a number of retries before an error is logged, and possibly <a href="#fatal">fatal</a>. The default is <code>0</code> retries. You can set this property on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --retries 5"><pre class="notranslate"><code>wperf https://myserver.com/some/path --retries 5 </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "retries": 5 }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"retries"</span>: <span class="pl-c1">5</span> }</pre></div> <p dir="auto"><strong>Note:</strong> If retries occur, the request library only tracks the performance metrics of the <em>final</em> request of each group.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">insecure</h3><a id="user-content-insecure" class="anchor" aria-label="Permalink: insecure" href="#insecure"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">By default, when HTTPS requests are made, the SSL certificate is verified using a Certificate Authority (CA). The <code>insecure</code> parameter, when present on the command-line or set to <code>true</code> in your JSON configuration, will cause the request library to bypass all SSL certificate verification. One potential use of this is for self-signed certificates. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --insecure"><pre class="notranslate"><code>wperf https://myserver.com/some/path --insecure </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "insecure": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"insecure"</span>: <span class="pl-c1">true</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">headers</h3><a id="user-content-headers" class="anchor" aria-label="Permalink: headers" href="#headers"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>headers</code> parameter allows you to add custom HTTP headers to every request. These can be specified on the command-line using a <code>h_</code> prefix followed by the header name, then the header value. You can repeat this for adding multiple headers. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --h_Cookie "sessionid=1234567890;""><pre class="notranslate"><code>wperf https://myserver.com/some/path --h_Cookie "sessionid=1234567890;" </code></pre></div> <p dir="auto">If using a JSON configuration file, you can instead use a <code>headers</code> object, with the header names specified as the keys within. Example:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "headers": { "Cookie": "sessionid=1234567890;" } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"headers"</span>: { <span class="pl-ent">"Cookie"</span>: <span class="pl-s"><span class="pl-pds">"</span>sessionid=1234567890;<span class="pl-pds">"</span></span> } }</pre></div> <p dir="auto">The underlying request library also adds a few basic headers of its own, including <code>Host</code>, <code>Connection</code>, <code>Accept-Encoding</code> and <code>User-Agent</code>.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">method</h3><a id="user-content-method" class="anchor" aria-label="Permalink: method" href="#method"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>method</code> parameter allows you to set the HTTP method for all requests sent. By default this is <code>GET</code>, but you can set it to any of the standard values, i.e. <code>GET</code>, <code>HEAD</code>, <code>POST</code>, <code>PUT</code> and <code>DELETE</code>. You can set this property on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --method HEAD"><pre class="notranslate"><code>wperf https://myserver.com/some/path --method HEAD </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "method": "HEAD" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"method"</span>: <span class="pl-s"><span class="pl-pds">"</span>HEAD<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">data</h3><a id="user-content-data" class="anchor" aria-label="Permalink: data" href="#data"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">If you select any of the HTTP methods that support a request body, e.g. <code>POST</code>, <code>PUT</code> or <code>DELETE</code>, you can specify the data in a number of different ways. By default, it is sent as <code>application/x-www-form-urlencoded</code>, and you can specify named parameters on the command-line using a <code>d_</code> prefix like this:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --method POST --d_username jsmith --d_email jsmith@aol.com"><pre class="notranslate"><code>wperf https://myserver.com/some/path --method POST --d_username jsmith --d_email jsmith@aol.com </code></pre></div> <p dir="auto">This would serialize the two post parameters using standard form encoding, resulting in <code>username=jsmith&email=jsmith%40aol.com</code>. You can also specify these parameters in your JSON configuration file using the <code>data</code> property:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "method": "POST", "data": { "username": "jsmith", "email": "jsmith@aol.com" } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"method"</span>: <span class="pl-s"><span class="pl-pds">"</span>POST<span class="pl-pds">"</span></span>, <span class="pl-ent">"data"</span>: { <span class="pl-ent">"username"</span>: <span class="pl-s"><span class="pl-pds">"</span>jsmith<span class="pl-pds">"</span></span>, <span class="pl-ent">"email"</span>: <span class="pl-s"><span class="pl-pds">"</span>jsmith@aol.com<span class="pl-pds">"</span></span> } }</pre></div> <p dir="auto">Alternatively, you can specify the request body in "raw" format using the <code>--data</code> command-line argument (or <code>data</code> configuration property) by setting it to a string. This can be used to send a pure JSON post, for example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --method POST --h_Content-Type application/json --data '{"username":"jsmith","email":"jsmith@aol.com"}'"><pre class="notranslate"><code>wperf https://myserver.com/some/path --method POST --h_Content-Type application/json --data '{"username":"jsmith","email":"jsmith@aol.com"}' </code></pre></div> <p dir="auto">Or similarly via configuration file:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "method": "POST", "headers": { "Content-Type": "application/json" }, "data": "{\"username\":\"jsmith\",\"email\":\"jsmith@aol.com\"}" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"method"</span>: <span class="pl-s"><span class="pl-pds">"</span>POST<span class="pl-pds">"</span></span>, <span class="pl-ent">"headers"</span>: { <span class="pl-ent">"Content-Type"</span>: <span class="pl-s"><span class="pl-pds">"</span>application/json<span class="pl-pds">"</span></span> }, <span class="pl-ent">"data"</span>: <span class="pl-s"><span class="pl-pds">"</span>{<span class="pl-cce">\"</span>username<span class="pl-cce">\"</span>:<span class="pl-cce">\"</span>jsmith<span class="pl-cce">\"</span>,<span class="pl-cce">\"</span>email<span class="pl-cce">\"</span>:<span class="pl-cce">\"</span>jsmith@aol.com<span class="pl-cce">\"</span>}<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">multipart</h3><a id="user-content-multipart" class="anchor" aria-label="Permalink: multipart" href="#multipart"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">To send a "multipart" HTTP POST, which is designed more for larger parameters (also see <a href="#files">files</a>), include the <code>--multipart</code> parameter on the command-line, or set the <code>multipart</code> JSON configuration property to <code>true</code>. Example of this:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --method POST --multipart --d_username jsmith --d_email jsmith@aol.com"><pre class="notranslate"><code>wperf https://myserver.com/some/path --method POST --multipart --d_username jsmith --d_email jsmith@aol.com </code></pre></div> <p dir="auto">And in JSON configuration format:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "method": "POST", "multipart": true, "data": { "username": "jsmith", "email": "jsmith@aol.com" } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"method"</span>: <span class="pl-s"><span class="pl-pds">"</span>POST<span class="pl-pds">"</span></span>, <span class="pl-ent">"multipart"</span>: <span class="pl-c1">true</span>, <span class="pl-ent">"data"</span>: { <span class="pl-ent">"username"</span>: <span class="pl-s"><span class="pl-pds">"</span>jsmith<span class="pl-pds">"</span></span>, <span class="pl-ent">"email"</span>: <span class="pl-s"><span class="pl-pds">"</span>jsmith@aol.com<span class="pl-pds">"</span></span> } }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">files</h3><a id="user-content-files" class="anchor" aria-label="Permalink: files" href="#files"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">If you are performing a multipart HTTP POST, you can upload actual files from the local filesystem. These can be specified on the command-line using the <code>f_</code> prefix, or in a configuration file using a <code>files</code> object. Here are examples of each:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --method POST --multipart --f_file1 /path/to/my/file.jpg"><pre class="notranslate"><code>wperf https://myserver.com/some/path --method POST --multipart --f_file1 /path/to/my/file.jpg </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "method": "POST", "multipart": true, "files": { "file1": "/path/to/my/file.jpg" } }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"method"</span>: <span class="pl-s"><span class="pl-pds">"</span>POST<span class="pl-pds">"</span></span>, <span class="pl-ent">"multipart"</span>: <span class="pl-c1">true</span>, <span class="pl-ent">"files"</span>: { <span class="pl-ent">"file1"</span>: <span class="pl-s"><span class="pl-pds">"</span>/path/to/my/file.jpg<span class="pl-pds">"</span></span> } }</pre></div> <p dir="auto">In this case the file is identified by the parameter name <code>file1</code>. The filename and content type are set automatically by the request library, based on the specified file path.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">success_match</h3><a id="user-content-success_match" class="anchor" aria-label="Permalink: success_match" href="#success_match"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>success_match</code> parameter allows you to specify a <a href="https://en.wikipedia.org/wiki/Regular_expression" rel="nofollow">regular expression</a> that must match against the server response content body in order for the request to be considered a success. You can set this property on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --success_match "Operation was successful""><pre class="notranslate"><code>wperf https://myserver.com/some/path --success_match "Operation was successful" </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "success_match": "Operation was successful" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"success_match"</span>: <span class="pl-s"><span class="pl-pds">"</span>Operation was successful<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">error_match</h3><a id="user-content-error_match" class="anchor" aria-label="Permalink: error_match" href="#error_match"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">The <code>error_match</code> parameter allows you to specify a <a href="https://en.wikipedia.org/wiki/Regular_expression" rel="nofollow">regular expression</a> that generates an error when it matches the server response content body. You can set this property on the command-line or in a configuration file. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --error_match "Database failure""><pre class="notranslate"><code>wperf https://myserver.com/some/path --error_match "Database failure" </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "error_match": "Database failure" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"error_match"</span>: <span class="pl-s"><span class="pl-pds">"</span>Database failure<span class="pl-pds">"</span></span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">histo</h3><a id="user-content-histo" class="anchor" aria-label="Permalink: histo" href="#histo"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">Normally <code>wperf</code> outputs a histogram of the "Total Time" metric, which is the full HTTP request from beginning to end. However, you can customize this, and set it to generate multiple histograms of different HTTP metrics, including:</p> <markdown-accessiblity-table><table> <thead> <tr> <th>Metric</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td><code>dns</code></td> <td>Time to resolve the hostname to an IP address via DNS. This is omitted if cached, or you specify an IP on the URL.</td> </tr> <tr> <td><code>connect</code></td> <td>Time to connect to the remote socket (omitted if using Keep-Alives and reusing a host).</td> </tr> <tr> <td><code>send</code></td> <td>Time to send the request data (typically for POST / PUT). Also includes SSL handshake time (if HTTPS).</td> </tr> <tr> <td><code>wait</code></td> <td>Time spent waiting for the server response (after request is sent).</td> </tr> <tr> <td><code>receive</code></td> <td>Time spent downloading data from the server (after headers received).</td> </tr> <tr> <td><code>decompress</code></td> <td>Time taken to decompress the response (if encoded with Gzip or Deflate).</td> </tr> <tr> <td><code>total</code></td> <td>Total time of the entire HTTP transaction.</td> </tr> </tbody> </table></markdown-accessiblity-table> <p dir="auto">To specify additional histograms, include the <code>--histo</code> argument on the command-line, set to a comma-separate list of any of the metrics defined above. Or you can use the special keyword <code>all</code> to generate histograms for <em>all</em> of them. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --histo "dns,connect,receive""><pre class="notranslate"><code>wperf https://myserver.com/some/path --histo "dns,connect,receive" </code></pre></div> <p dir="auto">If you are using a JSON configuration file, you can set the <code>histo</code> property to an array instead of a CSV string:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "histo": ["dns", "connect", "receive"] }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"histo"</span>: [<span class="pl-s"><span class="pl-pds">"</span>dns<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>connect<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>receive<span class="pl-pds">"</span></span>] }</pre></div> <p dir="auto">See this <a href="https://pixlcore.com/software/wperf/terminal.png" rel="nofollow">screenshot</a> for an example histogram.</p> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">histo_ranges</h3><a id="user-content-histo_ranges" class="anchor" aria-label="Permalink: histo_ranges" href="#histo_ranges"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">By default, the histograms generated by <code>wperf</code> include metrics in the following time ranges:</p> <ul dir="auto"> <li>0-1 ms</li> <li>1-2 ms</li> <li>2-3 ms</li> <li>3-4 ms</li> <li>4-5 ms</li> <li>5-10 ms</li> <li>10-20 ms</li> <li>20-30 ms</li> <li>30-40 ms</li> <li>40-50 ms</li> <li>50-100 ms</li> <li>100-200 ms</li> <li>200-300 ms</li> <li>300-400 ms</li> <li>400-500 ms</li> <li>500-1000 ms</li> <li>1-2 sec</li> <li>2-3 sec</li> <li>3-4 sec</li> <li>4-5 sec</li> <li>5+ sec</li> </ul> <p dir="auto">You can customize these lanes by specifying a <code>histo_ranges</code> key in your JSON configuration file. This should be set to an array of strings, and the format of the strings needs to match <code>#-# ms</code>, <code>#+ ms</code>, <code>#-# sec</code> or <code>#+ sec</code>. Example:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "histo_ranges": [ "0-1 ms", "1-2 ms", "2-3 ms", "3-4 ms", "4-5 ms", "5-10 ms", "10-20 ms", "20-30 ms", "30-40 ms", "40-50 ms", "50-100 ms", "100-200 ms", "200-300 ms", "300-400 ms", "400-500 ms", "500-1000 ms", "1-2 sec", "2-3 sec", "3-4 sec", "4-5 sec", "5+ sec" ] }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"histo_ranges"</span>: [ <span class="pl-s"><span class="pl-pds">"</span>0-1 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>1-2 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>2-3 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>3-4 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>4-5 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>5-10 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>10-20 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>20-30 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>30-40 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>40-50 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>50-100 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>100-200 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>200-300 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>300-400 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>400-500 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>500-1000 ms<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>1-2 sec<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>2-3 sec<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>3-4 sec<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>4-5 sec<span class="pl-pds">"</span></span>, <span class="pl-s"><span class="pl-pds">"</span>5+ sec<span class="pl-pds">"</span></span> ] }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">stats</h3><a id="user-content-stats" class="anchor" aria-label="Permalink: stats" href="#stats"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">If you would like <code>wperf</code> to output more machine-readable statistics, you can do so by adding the <code>--stats</code> command-line argument, or the <code>stats</code> configuration property. Example use:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --stats"><pre class="notranslate"><code>wperf https://myserver.com/some/path --stats </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "stats": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"stats"</span>: <span class="pl-c1">true</span> }</pre></div> <p dir="auto">You can alternatively have the statistics appended to a file, instead of printed to the console. To do this, simply include the destination target filename after <code>--stats</code> on the command-line, or set the <code>stats</code> property to a filename in the JSON configuration file.</p> <p dir="auto">Example output (pretty-printed for display purposes):</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "current_sec": 1567391879, "count_sec": 39, "peak_sec": 61, "total_reqs": 100, "total_warnings": 0, "total_errors": 0, "bytes_sent": 58300, "bytes_received": 28900, "time_start": 1567391878.592, "total": { "min": 4.689, "max": 28.387, "total": 633.4549999999998, "count": 100, "avg": 6.334549999999998 }, "dns": { "min": 0.59, "max": 16.118, "total": 98.68200000000003, "count": 100, "avg": 0.9868200000000003 }, "connect": { "min": 0.177, "max": 0.934, "total": 22.475, "count": 100, "avg": 0.22475 }, "send": { "min": 0.967, "max": 1.873, "total": 110.59200000000003, "count": 100, "avg": 1.1059200000000002 }, "wait": { "min": 2.491, "max": 8.302, "total": 361.1120000000002, "count": 100, "avg": 3.611120000000002 }, "receive": { "min": 0.054, "max": 1.07, "total": 7.630000000000001, "count": 100, "avg": 0.0763 }, "decompress": { "min": 0.192, "max": 2.288, "total": 30.935, "count": 100, "avg": 0.30935 } }"><pre>{ <span class="pl-ent">"current_sec"</span>: <span class="pl-c1">1567391879</span>, <span class="pl-ent">"count_sec"</span>: <span class="pl-c1">39</span>, <span class="pl-ent">"peak_sec"</span>: <span class="pl-c1">61</span>, <span class="pl-ent">"total_reqs"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"total_warnings"</span>: <span class="pl-c1">0</span>, <span class="pl-ent">"total_errors"</span>: <span class="pl-c1">0</span>, <span class="pl-ent">"bytes_sent"</span>: <span class="pl-c1">58300</span>, <span class="pl-ent">"bytes_received"</span>: <span class="pl-c1">28900</span>, <span class="pl-ent">"time_start"</span>: <span class="pl-c1">1567391878.592</span>, <span class="pl-ent">"total"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">4.689</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">28.387</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">633.4549999999998</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">6.334549999999998</span> }, <span class="pl-ent">"dns"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">0.59</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">16.118</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">98.68200000000003</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">0.9868200000000003</span> }, <span class="pl-ent">"connect"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">0.177</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">0.934</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">22.475</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">0.22475</span> }, <span class="pl-ent">"send"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">0.967</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">1.873</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">110.59200000000003</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">1.1059200000000002</span> }, <span class="pl-ent">"wait"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">2.491</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">8.302</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">361.1120000000002</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">3.611120000000002</span> }, <span class="pl-ent">"receive"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">0.054</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">1.07</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">7.630000000000001</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">0.0763</span> }, <span class="pl-ent">"decompress"</span>: { <span class="pl-ent">"min"</span>: <span class="pl-c1">0.192</span>, <span class="pl-ent">"max"</span>: <span class="pl-c1">2.288</span>, <span class="pl-ent">"total"</span>: <span class="pl-c1">30.935</span>, <span class="pl-ent">"count"</span>: <span class="pl-c1">100</span>, <span class="pl-ent">"avg"</span>: <span class="pl-c1">0.30935</span> } }</pre></div> <p dir="auto">Here are descriptions of the properties:</p> <markdown-accessiblity-table><table> <thead> <tr> <th>Property</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td><code>current_sec</code></td> <td>Date/time of the current second, expressed as <a href="https://en.wikipedia.org/wiki/Unix_time" rel="nofollow">Epoch</a> seconds.</td> </tr> <tr> <td><code>count_sec</code></td> <td>The number of requests completed during the current second (used to compute req/sec).</td> </tr> <tr> <td><code>peak_sec</code></td> <td>The requests per second during the peak (best performing) second.</td> </tr> <tr> <td><code>total_reqs</code></td> <td>The total number of requests sent.</td> </tr> <tr> <td><code>total_warnings</code></td> <td>The total number of warnings received.</td> </tr> <tr> <td><code>total_errors</code></td> <td>The total number of errors received.</td> </tr> <tr> <td><code>bytes_sent</code></td> <td>The total number of bytes sent.</td> </tr> <tr> <td><code>bytes_received</code></td> <td>The total number of bytes received.</td> </tr> <tr> <td><code>time_start</code></td> <td>The date/time of when the run started, expressed as <a href="https://en.wikipedia.org/wiki/Unix_time" rel="nofollow">Epoch</a> seconds.</td> </tr> <tr> <td><code>total</code></td> <td>Raw HTTP performance metrics for the total request time (see below).</td> </tr> <tr> <td><code>dns</code></td> <td>Raw HTTP performance metrics for the DNS lookup time (see below).</td> </tr> <tr> <td><code>connect</code></td> <td>Raw HTTP performance metrics for the TCP connect time (see below).</td> </tr> <tr> <td><code>send</code></td> <td>Raw HTTP performance metrics for the data send time (see below).</td> </tr> <tr> <td><code>wait</code></td> <td>Raw HTTP performance metrics for the request wait time (see below).</td> </tr> <tr> <td><code>receive</code></td> <td>Raw HTTP performance metrics for the data receive time (see below).</td> </tr> <tr> <td><code>decompress</code></td> <td>Raw HTTP performance metrics for the decompress time (see below).</td> </tr> </tbody> </table></markdown-accessiblity-table> <p dir="auto">Each of the HTTP performance objects contain the following properties:</p> <markdown-accessiblity-table><table> <thead> <tr> <th>Property</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td><code>min</code></td> <td>The minimum time recorded for the metric, in milliseconds.</td> </tr> <tr> <td><code>max</code></td> <td>The maximum time recorded for the metric, in milliseconds.</td> </tr> <tr> <td><code>total</code></td> <td>The total of all time measurements added together (used to compute the average), in milliseconds.</td> </tr> <tr> <td><code>count</code></td> <td>The total number of samples recorded for the metric.</td> </tr> <tr> <td><code>avg</code></td> <td>The average time for the metric (<code>total</code> divided by <code>count</code>), in milliseconds.</td> </tr> </tbody> </table></markdown-accessiblity-table> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">quiet</h3><a id="user-content-quiet" class="anchor" aria-label="Permalink: quiet" href="#quiet"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">To suppress all <code>wperf</code> script output (with some exceptions -- see below), include the <code>--quiet</code> argument on the command-line, or set the <code>quiet</code> JSON configuration property to <code>true</code>. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --quiet"><pre class="notranslate"><code>wperf https://myserver.com/some/path --quiet </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "quiet": true }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"quiet"</span>: <span class="pl-c1">true</span> }</pre></div> <p dir="auto">This will cause all output to be suppressed, with these two exceptions:</p> <ul dir="auto"> <li>If the script detects that it is running on an actual terminal, vs. being called from a script or pipe, then the progress bar is displayed.</li> <li>If <a href="#stats">stats</a> mode is activated, this busts through quiet mode (the assumption is, if you asked for stats, you want stats).</li> </ul> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">color</h3><a id="user-content-color" class="anchor" aria-label="Permalink: color" href="#color"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">By default, <code>wperf</code> outputs its reports and tables using ANSI colors in your terminal. However, if for some reason you don't want color output, you can disable it by either setting the <code>--color</code> command-line argument to <code>false</code>, or setting the <code>color</code> JSON configuration property to <code>false</code>. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --color false"><pre class="notranslate"><code>wperf https://myserver.com/some/path --color false </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "color": false }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"color"</span>: <span class="pl-c1">false</span> }</pre></div> <div class="markdown-heading" dir="auto"><h3 tabindex="-1" class="heading-element" dir="auto">wrapper (Advanced)</h3><a id="user-content-wrapper-advanced" class="anchor" aria-label="Permalink: wrapper (Advanced)" href="#wrapper-advanced"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto"><strong>Note:</strong> This is an advanced feature, which requires Node.js programming knowledge.</p> <p dir="auto"><code>wperf</code> allows you to "wrap" (hook) the internal request cycle, to run your own Node.js function and perform actions before and/or after each request. Using this you can manipulate or generate your own URLs in code, and/or filter or change the HTTP responses as well. To do this, you will have to write your own Node.js script.</p> <p dir="auto">The feature is activated by the <code>--wrapper</code> command-line argument, or the <code>wrapper</code> JSON configuration property. Either way, it should be set to a filesystem path pointing at your Node.js script. Example:</p> <div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="wperf https://myserver.com/some/path --wrapper /path/to/my-request-wrapper.js"><pre class="notranslate"><code>wperf https://myserver.com/some/path --wrapper /path/to/my-request-wrapper.js </code></pre></div> <p dir="auto">Example JSON configuration:</p> <div class="highlight highlight-source-json notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="{ "url": "https://myserver.com/some/path", "wrapper": "/path/to/my-request-wrapper.js" }"><pre>{ <span class="pl-ent">"url"</span>: <span class="pl-s"><span class="pl-pds">"</span>https://myserver.com/some/path<span class="pl-pds">"</span></span>, <span class="pl-ent">"wrapper"</span>: <span class="pl-s"><span class="pl-pds">"</span>/path/to/my-request-wrapper.js<span class="pl-pds">"</span></span> }</pre></div> <p dir="auto">Your Node.js script should export a class with the following definition:</p> <div class="highlight highlight-source-js notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="module.exports = class RequestWrapper { constructor(request, args) { // class constructor, save request and args for later use this.request = request; this.args = args; } get(url, opts, callback) { // called for every `GET` request // callback expects (err, resp, data, perf) this.request.get( url, opts, callback ); } };"><pre><span class="pl-smi">module</span><span class="pl-kos">.</span><span class="pl-c1">exports</span> <span class="pl-c1">=</span> <span class="pl-k">class</span> <span class="pl-v">RequestWrapper</span> <span class="pl-kos">{</span> <span class="pl-en">constructor</span><span class="pl-kos">(</span><span class="pl-s1">request</span><span class="pl-kos">,</span> <span class="pl-s1">args</span><span class="pl-kos">)</span> <span class="pl-kos">{</span> <span class="pl-c">// class constructor, save request and args for later use</span> <span class="pl-smi">this</span><span class="pl-kos">.</span><span class="pl-c1">request</span> <span class="pl-c1">=</span> <span class="pl-s1">request</span><span class="pl-kos">;</span> <span class="pl-smi">this</span><span class="pl-kos">.</span><span class="pl-c1">args</span> <span class="pl-c1">=</span> <span class="pl-s1">args</span><span class="pl-kos">;</span> <span class="pl-kos">}</span> <span class="pl-en">get</span><span class="pl-kos">(</span><span class="pl-s1">url</span><span class="pl-kos">,</span> <span class="pl-s1">opts</span><span class="pl-kos">,</span> <span class="pl-s1">callback</span><span class="pl-kos">)</span> <span class="pl-kos">{</span> <span class="pl-c">// called for every `GET` request</span> <span class="pl-c">// callback expects (err, resp, data, perf)</span> <span class="pl-smi">this</span><span class="pl-kos">.</span><span class="pl-c1">request</span><span class="pl-kos">.</span><span class="pl-en">get</span><span class="pl-kos">(</span> <span class="pl-s1">url</span><span class="pl-kos">,</span> <span class="pl-s1">opts</span><span class="pl-kos">,</span> <span class="pl-s1">callback</span> <span class="pl-kos">)</span><span class="pl-kos">;</span> <span class="pl-kos">}</span> <span class="pl-kos">}</span><span class="pl-kos">;</span></pre></div> <div class="markdown-heading" dir="auto"><h4 tabindex="-1" class="heading-element" dir="auto">Wrapper Constructor</h4><a id="user-content-wrapper-constructor" class="anchor" aria-label="Permalink: Wrapper Constructor" href="#wrapper-constructor"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">Your class constructor is passed exactly two arguments:</p> <ul dir="auto"> <li>A reference to the request library, which is an instance of <a href="https://github.com/jhuckaby/pixl-request">pixl-request</a>.</li> <li>The current configuration object (usually parsed command-line arguments, but may also include a parsed JSON configuration file).</li> </ul> <p dir="auto">It is recommended that you store both of these in your class for later use.</p> <div class="markdown-heading" dir="auto"><h4 tabindex="-1" class="heading-element" dir="auto">Wrapper Method Hook</h4><a id="user-content-wrapper-method-hook" class="anchor" aria-label="Permalink: Wrapper Method Hook" href="#wrapper-method-hook"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto">For each HTTP request, your wrapper class is invoked by calling a method named after the current HTTP method, converted to lower-case. For example, if the current configuration is set to send HTTP GET requests, then your wrapper will need to have a <code>get()</code> method defined. For HTTP POST, you will need a <code>post()</code> method, and so on. In all cases, the function is passed 3 arguments:</p> <ul dir="auto"> <li>The current URL, which may have been dynamically generated using placeholder substitution variables.</li> <li>The current request options object (see <a href="https://nodejs.org/api/http.html#http_http_request_options_callback" rel="nofollow">http.request</a> for all the properties you can set here).</li> <li>A callback function to fire when the request completes.</li> </ul> <p dir="auto">Upon the completion of each request, success or fail, the callback function expects four arguments:</p> <ul dir="auto"> <li>An Error object, if an error occurred (otherwise this should be falsey).</li> <li>The HTTP response object, which should be a <a href="https://nodejs.org/api/http.html#http_class_http_serverresponse" rel="nofollow">http.ServerResponse</a> object from Node.js.</li> <li>The HTTP response body, as a Buffer object.</li> <li>The performance metrics, which should be an instance of <a href="https://github.com/jhuckaby/pixl-perf">pixl-perf</a>.</li> </ul> <div class="markdown-heading" dir="auto"><h1 tabindex="-1" class="heading-element" dir="auto">Related</h1><a id="user-content-related" class="anchor" aria-label="Permalink: Related" href="#related"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <ul dir="auto"> <li><a href="https://github.com/jhuckaby/pixl-request">pixl-request</a> <ul dir="auto"> <li>Underlying HTTP library used to send all requests and track detailed performance metrics.</li> </ul> </li> <li><a href="https://github.com/jhuckaby/pixl-cli">pixl-cli</a> <ul dir="auto"> <li>Command-line library, used to generate the progress bar, time remaining and colored tables.</li> </ul> </li> </ul> <div class="markdown-heading" dir="auto"><h1 tabindex="-1" class="heading-element" dir="auto">License (MIT)</h1><a id="user-content-license-mit" class="anchor" aria-label="Permalink: License (MIT)" href="#license-mit"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a></div> <p dir="auto"><strong>The MIT License</strong></p> <p dir="auto"><em>Copyright (c) 2019 Joseph Huckaby.</em></p> <p dir="auto">Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:</p> <p dir="auto">The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.</p> <p dir="auto">THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</p> </article></div></div></div></div></div> <!-- --> <!-- --> <script type="application/json" id="__PRIMER_DATA_:R0:__">{"resolvedServerColorMode":"day"}</script></div> </react-partial> <input type="hidden" data-csrf="true" value="wUKFjkQYZi26OZAJ8N3zwxSTji/kZniqdzda0DXSrCaozDoth6OwLwUhq51TyHivsAcijUN5qiknrU3Bh8M4uA==" /> </div> <div data-view-component="true" class="Layout-sidebar"> <div class="BorderGrid about-margin" data-pjax> <div class="BorderGrid-row"> <div class="BorderGrid-cell"> <div class="hide-sm hide-md"> <h2 class="mb-3 h4">About</h2> <p class="f4 my-3"> A simple HTTP load testing utility with detailed performance metrics. </p> <h3 class="sr-only">Topics</h3> <div class="my-3"> <div class="f6"> <a href="/topics/testing" title="Topic: testing" data-view-component="true" class="topic-tag topic-tag-link"> testing </a> <a href="/topics/http" title="Topic: http" data-view-component="true" class="topic-tag topic-tag-link"> http </a> <a href="/topics/performance" title="Topic: performance" data-view-component="true" class="topic-tag topic-tag-link"> performance </a> <a href="/topics/load-test" title="Topic: load-test" data-view-component="true" class="topic-tag topic-tag-link"> load-test </a> </div> </div> <h3 class="sr-only">Resources</h3> <div class="mt-2"> <a class="Link--muted" data-analytics-event="{"category":"Repository Overview","action":"click","label":"location:sidebar;file:readme"}" href="#readme-ov-file"> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-book mr-2"> <path d="M0 1.75A.75.75 0 0 1 .75 1h4.253c1.227 0 2.317.59 3 1.501A3.743 3.743 0 0 1 11.006 1h4.245a.75.75 0 0 1 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13.88 11 13 11a4.498 4.498 0 0 1-2.023-.454 3.544 3.544 0 0 1-.686-.45l-.045-.04-.016-.015-.006-.006-.004-.004v-.001a.75.75 0 0 1-.154-.838L12.178 4.5h-.162c-.305 0-.604-.079-.868-.231l-1.29-.736a.245.245 0 0 0-.124-.033H8.75V13h2.5a.75.75 0 0 1 0 1.5h-6.5a.75.75 0 0 1 0-1.5h2.5V3.5h-.984a.245.245 0 0 0-.124.033l-1.289.737c-.265.15-.564.23-.869.23h-.162l2.112 4.692a.75.75 0 0 1-.154.838l-.53-.53.529.531-.001.002-.002.002-.006.006-.016.015-.045.04c-.21.176-.441.327-.686.45C4.556 10.78 3.88 11 3 11a4.498 4.498 0 0 1-2.023-.454 3.544 3.544 0 0 1-.686-.45l-.045-.04-.016-.015-.006-.006-.004-.004v-.001a.75.75 0 0 1-.154-.838L2.178 4.5H1.75a.75.75 0 0 1 0-1.5h2.234a.249.249 0 0 0 .125-.033l1.288-.737c.265-.15.564-.23.869-.23h.984V.75a.75.75 0 0 1 1.5 0Zm2.945 8.477c.285.135.718.273 1.305.273s1.02-.138 1.305-.273L13 6.327Zm-10 0c.285.135.718.273 1.305.273s1.02-.138 1.305-.273L3 6.327Z"></path> </svg> View license </a> </div> <include-fragment src="/jhuckaby/wperf/hovercards/citation/sidebar_partial?tree_name=master"> </include-fragment> <div class="mt-2"> <a href="/jhuckaby/wperf/activity" data-view-component="true" class="Link Link--muted"><svg text="gray" aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-pulse mr-2"> <path d="M6 2c.306 0 .582.187.696.471L10 10.731l1.304-3.26A.751.751 0 0 1 12 7h3.25a.75.75 0 0 1 0 1.5h-2.742l-1.812 4.528a.751.751 0 0 1-1.392 0L6 4.77 4.696 8.03A.75.75 0 0 1 4 8.5H.75a.75.75 0 0 1 0-1.5h2.742l1.812-4.529A.751.751 0 0 1 6 2Z"></path> </svg> <span class="color-fg-muted">Activity</span></a> </div> <h3 class="sr-only">Stars</h3> <div class="mt-2"> <a href="/jhuckaby/wperf/stargazers" data-view-component="true" class="Link Link--muted"><svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-star mr-2"> <path d="M8 .25a.75.75 0 0 1 .673.418l1.882 3.815 4.21.612a.75.75 0 0 1 .416 1.279l-3.046 2.97.719 4.192a.751.751 0 0 1-1.088.791L8 12.347l-3.766 1.98a.75.75 0 0 1-1.088-.79l.72-4.194L.818 6.374a.75.75 0 0 1 .416-1.28l4.21-.611L7.327.668A.75.75 0 0 1 8 .25Zm0 2.445L6.615 5.5a.75.75 0 0 1-.564.41l-3.097.45 2.24 2.184a.75.75 0 0 1 .216.664l-.528 3.084 2.769-1.456a.75.75 0 0 1 .698 0l2.77 1.456-.53-3.084a.75.75 0 0 1 .216-.664l2.24-2.183-3.096-.45a.75.75 0 0 1-.564-.41L8 2.694Z"></path> </svg> <strong>147</strong> stars</a> </div> <h3 class="sr-only">Watchers</h3> <div class="mt-2"> <a href="/jhuckaby/wperf/watchers" data-view-component="true" class="Link Link--muted"><svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-eye mr-2"> <path d="M8 2c1.981 0 3.671.992 4.933 2.078 1.27 1.091 2.187 2.345 2.637 3.023a1.62 1.62 0 0 1 0 1.798c-.45.678-1.367 1.932-2.637 3.023C11.67 13.008 9.981 14 8 14c-1.981 0-3.671-.992-4.933-2.078C1.797 10.83.88 9.576.43 8.898a1.62 1.62 0 0 1 0-1.798c.45-.677 1.367-1.931 2.637-3.022C4.33 2.992 6.019 2 8 2ZM1.679 7.932a.12.12 0 0 0 0 .136c.411.622 1.241 1.75 2.366 2.717C5.176 11.758 6.527 12.5 8 12.5c1.473 0 2.825-.742 3.955-1.715 1.124-.967 1.954-2.096 2.366-2.717a.12.12 0 0 0 0-.136c-.412-.621-1.242-1.75-2.366-2.717C10.824 4.242 9.473 3.5 8 3.5c-1.473 0-2.825.742-3.955 1.715-1.124.967-1.954 2.096-2.366 2.717ZM8 10a2 2 0 1 1-.001-3.999A2 2 0 0 1 8 10Z"></path> </svg> <strong>5</strong> watching</a> </div> <h3 class="sr-only">Forks</h3> <div class="mt-2"> <a href="/jhuckaby/wperf/forks" data-view-component="true" class="Link Link--muted"><svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-repo-forked mr-2"> <path d="M5 5.372v.878c0 .414.336.75.75.75h4.5a.75.75 0 0 0 .75-.75v-.878a2.25 2.25 0 1 1 1.5 0v.878a2.25 2.25 0 0 1-2.25 2.25h-1.5v2.128a2.251 2.251 0 1 1-1.5 0V8.5h-1.5A2.25 2.25 0 0 1 3.5 6.25v-.878a2.25 2.25 0 1 1 1.5 0ZM5 3.25a.75.75 0 1 0-1.5 0 .75.75 0 0 0 1.5 0Zm6.75.75a.75.75 0 1 0 0-1.5.75.75 0 0 0 0 1.5Zm-3 8.75a.75.75 0 1 0-1.5 0 .75.75 0 0 0 1.5 0Z"></path> </svg> <strong>9</strong> forks</a> </div> <div class="mt-2"> <a class="Link--muted" href="/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2Fjhuckaby%2Fwperf&report=jhuckaby+%28user%29"> Report repository </a> </div> </div> </div> </div> <div class="BorderGrid-row"> <div class="BorderGrid-cell"> <h2 class="h4 mb-3" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame"> <a href="/jhuckaby/wperf/releases" data-view-component="true" class="Link--primary no-underline Link">Releases</a></h2> <a class="Link--primary no-underline" data-pjax="#repo-content-pjax-container" data-turbo-frame="repo-content-turbo-frame" href="/jhuckaby/wperf/tags"> <svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-tag"> <path d="M1 7.775V2.75C1 1.784 1.784 1 2.75 1h5.025c.464 0 .91.184 1.238.513l6.25 6.25a1.75 1.75 0 0 1 0 2.474l-5.026 5.026a1.75 1.75 0 0 1-2.474 0l-6.25-6.25A1.752 1.752 0 0 1 1 7.775Zm1.5 0c0 .066.026.13.073.177l6.25 6.25a.25.25 0 0 0 .354 0l5.025-5.025a.25.25 0 0 0 0-.354l-6.25-6.25a.25.25 0 0 0-.177-.073H2.75a.25.25 0 0 0-.25.25ZM6 5a1 1 0 1 1 0 2 1 1 0 0 1 0-2Z"></path> </svg> <span class="text-bold">5</span> <span class="color-fg-muted">tags</span> </a> </div> </div> <div class="BorderGrid-row"> <div class="BorderGrid-cell"> <h2 class="h4 mb-3"> <a href="/users/jhuckaby/packages?repo_name=wperf" data-view-component="true" class="Link--primary no-underline Link d-flex flex-items-center">Packages <span title="0" hidden="hidden" data-view-component="true" class="Counter ml-1">0</span></a></h2> <div class="text-small color-fg-muted" > No packages published <br> </div> </div> </div> <div class="BorderGrid-row" hidden> <div class="BorderGrid-cell"> <include-fragment src="/jhuckaby/wperf/used_by_list" 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