CINXE.COM

<!doctype html> <html class="writer-html5" lang="en" data-content_root="../../"> <head> <base href="https://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html"> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>DevTools Performance Tests overview — Firefox Source Docs documentation</title> <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=fa44fd50"> <link rel="stylesheet" type="text/css" href="../../_static/css/theme.css?v=19f00094"> <link rel="stylesheet" type="text/css" href="../../_static/graphviz.css?v=fd3f3429"> <link rel="stylesheet" type="text/css" href="../../_static/copybutton.css?v=76b2166b"> <link rel="stylesheet" type="text/css" href="../../_static/custom_theme.css?v=dc5ed815"> <link rel="stylesheet" type="text/css" href="../../_static/design-style.1e8bd061cd6da7fc9cf755528e8ffc24.min.css?v=0a3b3ea7"> <link rel="shortcut icon" href="../../_static/firefox.ico"> <script src="../../_static/jquery.js?v=5d32c60e"></script> <script src="../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script> <script src="../../_static/documentation_options.js?v=5929fcd5"></script> <script src="../../_static/doctools.js?v=9a2dae69"></script> <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script> <script src="../../_static/clipboard.min.js?v=a7894cd8"></script> <script src="../../_static/copybutton.js?v=30646c52"></script> <script src="../../_static/design-tabs.js?v=36754332"></script> <script src="../../_static/js/theme.js"></script> <link rel="index" title="Index" href="../../genindex.html"> <link rel="search" title="Search" href="../../search.html"> <link rel="next" title="Performance Tests: DAMP" href="performance-tests-damp.html"> <link rel="prev" title="Debugging Intermittent Test Failures" href="debugging-intermittents.html"> <meta http-equiv="X-Translated-By" content="Google"> <meta http-equiv="X-Translated-To" content="iw"> <script type="text/javascript" src="https://www.gstatic.com/_/translate_http/_/js/k=translate_http.tr.en_GB.tKc6KWkFf-8.O/am=gAE/d=1/rs=AN8SPfrf36LIV3DkhtRBGWFnLWWzaykPyw/m=corsproxy" data-sourceurl="https://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html"></script> <link href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200" rel="stylesheet"> <script type="text/javascript" src="https://www.gstatic.com/_/translate_http/_/js/k=translate_http.tr.en_GB.tKc6KWkFf-8.O/am=gAE/d=1/exm=corsproxy/ed=1/rs=AN8SPfrf36LIV3DkhtRBGWFnLWWzaykPyw/m=phishing_protection" data-phishing-protection-enabled="false" data-forms-warning-enabled="true" data-source-url="https://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html"></script> <meta name="robots" content="none"> </head> <body class="wy-body-for-nav"> <script type="text/javascript" src="https://www.gstatic.com/_/translate_http/_/js/k=translate_http.tr.en_GB.tKc6KWkFf-8.O/am=gAE/d=1/exm=corsproxy,phishing_protection/ed=1/rs=AN8SPfrf36LIV3DkhtRBGWFnLWWzaykPyw/m=navigationui" data-environment="prod" data-proxy-url="https://firefox--source--docs-mozilla-org.translate.goog" data-proxy-full-url="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB" data-source-url="https://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html" data-source-language="pl" data-target-language="iw" data-display-language="en-GB" data-detected-source-language="" data-is-source-untranslated="false" data-source-untranslated-url="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html&anno=2" data-client="tr"></script> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search"><a href="https://firefox--source--docs-mozilla-org.translate.goog/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB" class="icon icon-home"> Firefox Source Docs <img src="../../_static/firefox-wordmark.svg" class="logo" alt="Logo"> </a> <div> <h3>Quick search</h3> <script> (function () { var cx = "dd12886298f75dbef"; var gcse = document.createElement("script"); gcse.async = true; gcse.src = "https://cse.google.com/cse.js?cx=" + cx; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(gcse, s); })(); </script><gcse:search></gcse:search> </div> </div> <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu"> <p class="caption" role="heading"><span class="caption-text">Overview</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/glossary/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">A Glossary of Common Terms</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/overview/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">A Quick Guide to Mozilla Applications</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Getting Started</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/setup/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Getting Set Up To Work On The Firefox Codebase</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Working On Firefox</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/contributing/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Working on Firefox</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/bug-mgmt/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Bug Handling</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Firefox User Guide</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools-user/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox DevTools User Docs</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Source Code Documentation</span></p> <ul class="current"> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mots/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Governance</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/browser/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox Front-end</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/dom/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">DOM</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/editor/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Editor</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/layout/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Style system (CSS) & Layout</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/gfx/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Graphics</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/ipc/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Processes, Threads and IPC</a></li> <li class="toctree-l1 current"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox DevTools Contributor Docs</a> <ul class="current"> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#getting-started">Getting Started</a></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#contributing">Contributing</a></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#recurring-tasks">Recurring tasks</a></li> <li class="toctree-l2 current"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#automated-tests">Automated tests</a> <ul class="current"> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/README.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Automated tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/xpcshell.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">xpcshell</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/mochitest-chrome.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Chrome mochitests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/mochitest-devtools.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">DevTools mochitests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/node-tests.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Node tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/memory/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Allocation tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/memory/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#test-example">Test example</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/memory/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#how-to-run-them-locally">How to run them locally</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/memory/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#debug-leaks">Debug leaks</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/memory/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#how-to-easily-get-data-from-try-run">How to easily get data from try run</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/memory/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#following-trends-for-these-tests">Following trends for these tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/writing-tests.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Writing tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/debugging-intermittents.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Debugging intermittent failures</a></li> <li class="toctree-l3 current"><a class="current reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#">Performance tests overview</a> <ul> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#damp">damp</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#debugger-metrics">debugger-metrics</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#inspector-metrics">inspector-metrics</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#netmonitor-metrics">netmonitor-metrics</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#webconsole-metrics">webconsole-metrics</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#server-pool">server.pool</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#toolbox-parent-process">toolbox:parent-process</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#target-parent-process">target:parent-process</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#reload-parent-process">reload:parent-process</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#reload-content-process">reload:content-process</a></li> <li class="toctree-l4"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#browser-console-parent-process">browser-console:parent-process</a></li> </ul></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-damp.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">DAMP Performance tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/writing-perf-tests.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Writing new DAMP performance tests</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/writing-perf-tests.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#how-to-name-your-test-and-register-it">How to name your test and register it?</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/writing-perf-tests.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#how-to-run-your-new-test">How to run your new test?</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/writing-perf-tests-example.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Example</a></li> <li class="toctree-l3"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/writing-perf-tests-tips.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Advanced tips</a></li> </ul></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#files-and-directories">Files and directories</a></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#tool-architectures">Tool Architectures</a></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#frontend">Frontend</a></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#backend">Backend</a></li> <li class="toctree-l2"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#preferences">Preferences</a></li> </ul></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/toolkit/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Toolkit</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/js/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">SpiderMonkey</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/jsloader/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">JS Loader</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mobile/android/geckoview/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">GeckoView</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mobile/android/fenix/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Fenix</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mobile/android/focus-android/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Focus for Android</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/dom/bindings/webidl/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">WebIDL</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/modules/libpref/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">libpref</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/networking/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Networking</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/remote/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Remote Protocols</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/services/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Services</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/permissions/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Permissions</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/uriloader/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">File Handling</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/widget/cocoa/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox on macOS</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/widget/windows/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox on Windows</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/toolkit/components/ml/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox AI Runtime</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/accessible/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Accessibility</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/media/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Media Playback</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/code-quality/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Code quality</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/writing-rust-code/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Writing Rust Code</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/rust-components/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Rust Components</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/profiler/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Gecko Profiler</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/performance/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Performance</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/storage/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Database bindings (SQLite, KV, …)</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/xpcom/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">XPCOM</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/nspr/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">NSPR</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/security/nss/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Network Security Services (NSS)</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/content-security/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Web Security Checks in Gecko</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">The Firefox Build System</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mach/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Mach</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/try/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Pushing to Try</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/build/buildsystem/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Build System</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/taskcluster/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox CI and Taskgraph</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/moztreedocs/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Managing Documentation</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mozbuild/vendor/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Vendoring Third Party Components</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Testing & Test Infrastructure</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/automated-testing/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Automated Testing</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/treeherder-try/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Understanding Treeherder Results</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/sheriffed-intermittents/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Sheriffed intermittent failures</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/tests-for-new-config/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Turning on Firefox tests for a new configuration</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/intermittent/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Avoiding intermittent tests</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/testing-policy/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Testing Policy</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/ci-configs/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Configuration Changes</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/browser-chrome/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Browser chrome mochitests</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/chrome-tests/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Chrome Tests</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/marionette/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Marionette</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/geckodriver/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">geckodriver</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/test-verification/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Test Verification</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/webrender/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">WebRender Tests</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/mochitest-plain/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Mochitest</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/xpcshell/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">XPCShell tests</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/tps/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">TPS</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/web-platform/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">web-platform-tests</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/gtest/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">GTest</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/fuzzing/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Fuzzing</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/sanitizer/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Sanitizer</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing/perfdocs/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Performance Testing</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/code-coverage/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Code coverage</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/testing-rust-code/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Testing & Debugging Rust Code</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Releases & Updates</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/update-infrastructure/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Mozilla Update Infrastructure</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/update-infrastructure/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#watershed-updates">Watershed Updates</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/update-infrastructure/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#desupport-updates">Desupport Updates</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/tools/update-verify/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Update Verify</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Localization & Internationalization</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/intl/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Internationalization</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/l10n/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Localization</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Firefox and Python</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/mozbase/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">mozbase</a></li> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/python/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Using third-party Python packages</a></li> </ul> <p class="caption" role="heading"><span class="caption-text">Metrics Collected in Firefox</span></p> <ul> <li class="toctree-l1"><a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/metrics/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Metrics</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" aria-label="Mobile navigation menu"><i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="https://firefox--source--docs-mozilla-org.translate.goog/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox Source Docs</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="Page navigation"> <ul class="wy-breadcrumbs"> <li><a href="https://firefox--source--docs-mozilla-org.translate.goog/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB" class="icon icon-home" aria-label="Home"></a></li> <li class="breadcrumb-item"><a href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/index.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB">Firefox DevTools Contributor Docs</a></li> <li class="breadcrumb-item active">DevTools Performance Tests overview</li> <li class="wy-breadcrumbs-aside"><a href="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://bugzilla.mozilla.org/enter_bug.cgi?product%3DDeveloper%2BInfrastructure%26component%3DFirefox%2BSource%2BDocs%253A%2BContent%26short_desc%3DDocumentation%2Bissue%2Bon%2Bdevtools/tests/performance-tests-overview%26comment%3DURL%2B%3D%2Bhttps://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html%26bug_file_loc%3Dhttps://firefox-source-docs.mozilla.org/devtools/tests/performance-tests-overview.html" rel="nofollow">Report an issue</a> / <a href="https://firefox--source--docs-mozilla-org.translate.goog/_sources/devtools/tests/performance-tests-overview.md.txt?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB" rel="nofollow"> View page source</a></li> </ul> <hr> </div> <div role="main" class="document" itemscope itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <section id="devtools-performance-tests-overview"> <h1>DevTools Performance Tests overview<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#devtools-performance-tests-overview" title="Link to this heading"></a></h1> <p>This page provides a short overview of the various DevTools performance tests.</p> <section id="damp"> <h2>damp<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#damp" title="Link to this heading"></a></h2> <p>DAMP (short for DevTools At Maximum Performance) is the main DevTools performance test suite, based on the talos framework. It mostly runs end to end scenarios, opening the toolbox, various panels and interacting with the UI. It might regress for a wide variety of reasons: DevTools frontend changes, DevTools server changes, platform changes etc. To investigate DAMP regressions or improvements, it is usually necessary to analyze DAMP subtests individually.</p> <p>See <a class="reference internal" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-damp.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB"><span class="std std-doc">DAMP Performance tests</span></a> for more details on how to run DAMP, analyze results or add new tests.</p> </section> <section id="debugger-metrics"> <h2>debugger-metrics<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#debugger-metrics" title="Link to this heading"></a></h2> <p>debugger-metrics measures the number of modules and the overall size of modules loaded when opening the Debugger in DevTools. This test is a mochitest which can be executed locally with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/metrics/browser_metrics_debugger.js<span class="w"> </span>--headless </pre> </div> </div> <p>At the end of the test, logs should contain a <code class="docutils literal notranslate"><span class="pre">PERFHERDER_DATA</span></code> entry containing 4 measures. <code class="docutils literal notranslate"><span class="pre">debugger-modules</span></code> is the number of debugger-specific modules loaded, <code class="docutils literal notranslate"><span class="pre">debugger-chars</span></code> is the number of characters in said modules. <code class="docutils literal notranslate"><span class="pre">all-modules</span></code> is the number of modules loaded including shared modules, <code class="docutils literal notranslate"><span class="pre">all-chars</span></code> is the number of characters in said modules.</p> <p>A significant regression or improvement to this test can indicate that modules are no longer lazy loaded, or a new part of the UI is now loaded upfront.</p> </section> <section id="inspector-metrics"> <h2>inspector-metrics<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#inspector-metrics" title="Link to this heading"></a></h2> <p>See the description for debugger-metrics. This test is exactly the same but applied to the inspector panel. It can be executed locally with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/metrics/browser_metrics_inspector.js<span class="w"> </span>--headless </pre> </div> </div> </section> <section id="netmonitor-metrics"> <h2>netmonitor-metrics<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#netmonitor-metrics" title="Link to this heading"></a></h2> <p>See the description for debugger-metrics. This test is exactly the same but applied to the netmonitor panel. It can be executed locally with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/metrics/browser_metrics_netmonitor.js<span class="w"> </span>--headless </pre> </div> </div> </section> <section id="webconsole-metrics"> <h2>webconsole-metrics<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#webconsole-metrics" title="Link to this heading"></a></h2> <p>See the description for debugger-metrics. This test is exactly the same but applied to the webconsole panel. It can be executed locally with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/metrics/browser_metrics_webconsole.js<span class="w"> </span>--headless </pre> </div> </div> </section> <section id="server-pool"> <h2>server.pool<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#server-pool" title="Link to this heading"></a></h2> <p>server.pool measures the performance of the DevTools <code class="docutils literal notranslate"><span class="pre">Pool</span></code> <a class="reference external" href="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://searchfox.org/mozilla-central/source/devtools/shared/protocol/Pool.js">class</a> which is intensively used by the DevTools server. This test is a mochitest which can be executed with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/metrics/browser_metrics_pool.js<span class="w"> </span>--headless </pre> </div> </div> <p>At the end of the test, logs should contain a <code class="docutils literal notranslate"><span class="pre">PERFHERDER_DATA</span></code> entry which contain values corresponding to various APIs of the <code class="docutils literal notranslate"><span class="pre">Pool</span></code> class.</p> <p>A regression or improvement in this test is most likely linked to a change in a file from devtools/shared/protocol.</p> </section> <section id="toolbox-parent-process"> <h2>toolbox:parent-process<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#toolbox-parent-process" title="Link to this heading"></a></h2> <p>toolbox:parent-process measures the number of objects allocated by DevTools after opening and closing a DevTools toolbox. This test is a mochitest which can be executed with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/allocations/browser_allocations_toolbox.js<span class="w"> </span>--headless </pre> </div> </div> <p>The test will record allocations while opening and closing the Toolbox several times. The <code class="docutils literal notranslate"><span class="pre">PERFHERDER_DATA</span></code> entry in the logs will contain 3 measures. objects-with-stacks is the number of allocated objects for which the allocation site is known and should be easy to fix for developers. You can refer to the <a class="reference external" href="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://searchfox.org/mozilla-central/source/devtools/client/framework/test/allocations/docs/index.md">allocation tests documentation</a> for a more detailed description of this test and how to use it to investigate and fix memory issues.</p> <p>A regression here may indicate a leak, for instance a module which no longer cleans its dependencies. It can also indicate that DevTools is loading more singletons or other objects which are not tied to the lifecycle of the DevTools objects.</p> </section> <section id="target-parent-process"> <h2>target:parent-process<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#target-parent-process" title="Link to this heading"></a></h2> <p>target:parent-process measures the number of objects created by DevTools to create a tab target. It does not involve DevTools frontend. This test is a mochitest which can be executed with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/allocations/browser_allocations_target.js<span class="w"> </span>--headless </pre> </div> </div> <p>See the description for toolbox:parent-process for more information.</p> </section> <section id="reload-parent-process"> <h2>reload:parent-process<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#reload-parent-process" title="Link to this heading"></a></h2> <p>target:parent-process measures the number of objects created by DevTools when reloading a page inspected by a DevTools Toolbox. This test is a mochitest which can be executed with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/allocations/browser_allocations_reload.js<span class="w"> </span>--headless </pre> </div> </div> <p>See the description for toolbox:parent-process for more information. Note that this test also records another suite, reload:content-process.</p> </section> <section id="reload-content-process"> <h2>reload:content-process<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#reload-content-process" title="Link to this heading"></a></h2> <p>See the description for reload:parent-process.</p> </section> <section id="browser-console-parent-process"> <h2>browser-console:parent-process<a class="headerlink" href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-overview.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB#browser-console-parent-process" title="Link to this heading"></a></h2> <p>browser-console:parent-process measures the number of objects created by DevTools when opening and closing the Browser Console. This test is a mochitest which can be executed with:</p> <div class="highlight-bash notranslate"> <div class="highlight"> <pre><span></span>./mach<span class="w"> </span><span class="nb">test</span><span class="w"> </span>devtools/client/framework/test/allocations/browser_allocations_browser_console.js<span class="w"> </span>--headless </pre> </div> </div> <p>See the description for toolbox:parent-process for more information.</p> </section> </section> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="Footer"><a href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/debugging-intermittents.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB" class="btn btn-neutral float-left" title="Debugging Intermittent Test Failures" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a> <a href="https://firefox--source--docs-mozilla-org.translate.goog/devtools/tests/performance-tests-damp.html?_x_tr_sl=pl&_x_tr_tl=iw&_x_tr_hl=en-GB" class="btn btn-neutral float-right" title="Performance Tests: DAMP" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a> </div> <hr> <div role="contentinfo"> <p></p> </div> Built with <a href="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://www.sphinx-doc.org/">Sphinx</a> using a <a href="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://github.com/readthedocs/sphinx_rtd_theme">theme</a> provided by <a href="https://translate.google.com/website?sl=pl&tl=iw&hl=en-GB&u=https://readthedocs.org">Read the Docs</a>. </footer> </div> </div> </section> </div> <script> jQuery(function () { SphinxRtdTheme.Navigation.enable(true); }); </script> <script>function gtElInit() {var lib = new google.translate.TranslateService();lib.translatePage('pl', 'iw', function () {});}</script> <script src="https://translate.google.com/translate_a/element.js?cb=gtElInit&hl=en-GB&client=wt" type="text/javascript"></script> </body> </html>