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Wysocki"</a><ul><li><a href="/lkml/2025/2/6/923">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/17/790">Christian Loehle</a></li></ul></li><li><a href="/lkml/2025/2/6/924">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/17/866">Christian Loehle</a><ul><li><a href="/lkml/2025/2/17/880">"Rafael J. Wysocki"</a></li></ul></li></ul></li><li><a href="/lkml/2025/2/6/925">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/17/853">Christian Loehle</a></li></ul></li><li class="origin"><a href="/lkml/2025/2/17/804">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/17/804">Christian Loehle</a></li></ul></li><li><a href="/lkml/2025/2/6/928">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/6/961">Christian Loehle</a></li></ul></li><li><a href="/lkml/2025/2/7/1027">Artem Bityutskiy</a><ul><li><a href="/lkml/2025/2/7/1103">Christian Loehle</a><ul><li><a href="/lkml/2025/2/7/1115">"Rafael J. Wysocki"</a></li></ul></li><li><a href="/lkml/2025/2/7/1157">"Rafael J. Wysocki"</a></li></ul></li><li><a href="/lkml/2025/2/10/922">Christian Loehle</a><ul><li><a href="/lkml/2025/2/10/965">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/10/972">Christian Loehle</a></li></ul></li><li><a href="/lkml/2025/2/18/1941">Christian Loehle</a><ul><li><a href="/lkml/2025/2/19/773">"Rafael J. Wysocki"</a></li></ul></li></ul></li><li><a href="/lkml/2025/2/13/1996">"Doug Smythies"</a><ul><li><a href="/lkml/2025/2/14/1548">"Rafael J. Wysocki"</a><ul><li><a href="/lkml/2025/2/16/278">"Doug Smythies"</a></li></ul></li></ul></li><li><a href="/lkml/2025/2/24/221">Aboorva Devarajan</a><ul><li><a href="/lkml/2025/2/24/240">Aboorva Devarajan</a></li><li><a href="/lkml/2025/2/24/1038">"Rafael J. Wysocki"</a></li><li><a href="/lkml/2025/2/26/233">Aboorva Devarajan</a><ul><li><a href="/lkml/2025/2/26/773">Christian Loehle</a></li></ul></li></ul></li></ul></li></ul><div class="threadlist">Patch in this message</div><ul class="threadlist"><li><a href="/lkml/diff/2025/2/6/926/1">Get diff 1</a></li></ul></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerl.gif" width="32" height="32" alt="/" /></td><td class="c" rowspan="2" valign="top" style="padding-top: 1em"><table><tr><td><table><tr><td class="lp">From</td><td class="rp" itemprop="author">"Rafael J. Wysocki" <></td></tr><tr><td class="lp">Subject</td><td class="rp" itemprop="name">[RFT][PATCH v1 3/5] cpuidle: menu: Tweak threshold use in get_typical_interval()</td></tr><tr><td class="lp">Date</td><td class="rp" itemprop="datePublished">Thu, 06 Feb 2025 15:25:18 +0100</td></tr></table></td><td></td></tr></table><pre itemprop="articleBody">From: Rafael J. Wysocki <rafael.j.wysocki@intel.com><br /><br />To prepare get_typical_interval() for subsequent changes, rearrange<br />the use of the data point threshold in it a bit and initialize that<br />threshold to UINT_MAX which is more consistent with its data type.<br /><br />No intentional functional impact.<br /><br />Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com><br />---<br /> drivers/cpuidle/governors/menu.c | 8 ++++----<br /> 1 file changed, 4 insertions(+), 4 deletions(-)<br /><br />--- a/drivers/cpuidle/governors/menu.c<br />+++ b/drivers/cpuidle/governors/menu.c<br />@@ -116,7 +116,7 @@<br /> */<br /> static unsigned int get_typical_interval(struct menu_device *data)<br /> {<br />- unsigned int max, divisor, thresh = INT_MAX;<br />+ unsigned int max, divisor, thresh = UINT_MAX;<br /> u64 avg, variance, avg_sq;<br /> int i;<br /> <br />@@ -129,8 +129,8 @@<br /> for (i = 0; i < INTERVALS; i++) {<br /> unsigned int value = data->intervals[i];<br /> <br />- /* Discard data points above the threshold. */<br />- if (value > thresh)<br />+ /* Discard data points above or at the threshold. */<br />+ if (value >= thresh)<br /> continue;<br /> <br /> divisor++;<br />@@ -186,7 +186,7 @@<br /> if ((divisor * 4) <= INTERVALS * 3)<br /> return UINT_MAX;<br /> <br />- thresh = max - 1;<br />+ thresh = max;<br /> goto again;<br /> }<br /> <br /><br /><br /><br /></pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2025-02-06 15:32 聽聽 [W:1.123 / U:0.694 seconds]<br />漏2003-2020 <a href="http://blog.jasper.es/"><span itemprop="editor">Jasper Spaans</span></a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>