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Main Page - Revision history
2024-03-28T14:42:17Z
Revision history for this page on the wiki
MediaWiki 1.19.24
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=4300&oldid=prev
Ian Rogers: /* perf: Linux profiling with performance counters */ add Google summer of code section
2024-01-23T17:33:47Z
<p><span dir="auto"><span class="autocomment">perf: Linux profiling with performance counters: </span> add Google summer of code section</span></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 17:33, 23 January 2024</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Latest Manual Pages]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Latest Manual Pages]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Development]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Development]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">=== Google Summer of Code ===</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">As part of the [https://www.linuxfoundation.org/ Linux Foundation] the perf tool has participated in the [https://summerofcode.withgoogle.com/ Google Summer-of-Code] since 2021. [https://wiki.linuxfoundation.org/gsoc/2024-gsoc-perf Check out the 2024 process].</ins></div></td></tr>
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Ian Rogers
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=4299&oldid=prev
Ian Rogers at 18:37, 19 January 2024
2024-01-19T18:37:57Z
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<td colspan='2' style="background-color: white; color:black;">Revision as of 18:37, 19 January 2024</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>To learn more, see the examples in the [[Tutorial]] or how to do a [[Top-Down Analysis]].</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>To learn more, see the examples in the [[Tutorial]] or how to do a [[Top-Down Analysis]].</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">To ask questions, report bugs/issues mail the [https://lore.kernel.org/linux-perf-users/ mailing list] or use [https://bugzilla.kernel.org/buglist.cgi?bug_status=__open__&order=changeddate%20DESC%2Cpriority%2Cbug_severity&product=Tracing%2FProfiling&query_format=advanced bugzilla].</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== Wiki Contents  ===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== Wiki Contents  ===</div></td></tr>
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Ian Rogers
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3831&oldid=prev
Ian Rogers: /* Wiki Contents */
2023-02-24T04:04:50Z
<p><span dir="auto"><span class="autocomment">Wiki Contents</span></span></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 04:04, 24 February 2023</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Latest Manual Pages]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Latest Manual Pages]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Development]]</ins></div></td></tr>
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Ian Rogers
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3706&oldid=prev
Ian Rogers: Add Top-Down Analysis links
2022-10-04T03:40:45Z
<p>Add Top-Down Analysis links</p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 03:40, 4 October 2022</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* <tt>[[Tutorial#Benchmarking_with_perf_bench | perf bench</tt>]]: run different kernel microbenchmarks</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* <tt>[[Tutorial#Benchmarking_with_perf_bench | perf bench</tt>]]: run different kernel microbenchmarks</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>To learn more, see the examples in the [[Tutorial]].</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>To learn more, see the examples in the [[Tutorial<ins class="diffchange diffchange-inline">]] or how to do a [[Top-Down Analysis</ins>]].</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== Wiki Contents  ===</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>=== Wiki Contents  ===</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Tutorial]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Tutorial]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Top-Down Analysis]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Todo]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Todo]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[HardwareReference]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[HardwareReference]]</div></td></tr>
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Ian Rogers
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3694&oldid=prev
Ahunter at 07:45, 29 August 2022
2022-08-29T07:45:52Z
<p></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 07:45, 29 August 2022</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Useful Links]]: How perf tools work, examples of usage to solve real problems, observability articles, hardware manuals</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Useful Links]]: How perf tools work, examples of usage to solve real problems, observability articles, hardware manuals</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Latest Manual Pages]]</ins></div></td></tr>
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Ahunter
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3636&oldid=prev
Acme: /* Wiki Contents */
2022-07-28T13:08:47Z
<p><span dir="auto"><span class="autocomment">Wiki Contents</span></span></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 13:08, 28 July 2022</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf_events kernel ABI]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf_events kernel ABI]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[Useful Links]]: How perf tools work, examples of usage to solve real problems, observability articles</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[Useful Links]]: How perf tools work, examples of usage to solve real problems, observability articles<ins class="diffchange diffchange-inline">, hardware manuals</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td></tr>
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Acme
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3633&oldid=prev
Acme: /* Wiki Contents */
2022-07-28T12:36:22Z
<p><span dir="auto"><span class="autocomment">Wiki Contents</span></span></p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 12:36, 28 July 2022</td>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf_events kernel ABI]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf_events kernel ABI]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[Useful Links: How perf tools work, examples of usage to solve real problems, observability articles<del class="diffchange diffchange-inline">]]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[Useful Links<ins class="diffchange diffchange-inline">]]</ins>: How perf tools work, examples of usage to solve real problems, observability articles</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td></tr>
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Acme
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3632&oldid=prev
Acme: /* Wiki Contents */
2022-07-28T12:35:47Z
<p><span dir="auto"><span class="autocomment">Wiki Contents</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [[Useful Links]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[Useful Links<ins class="diffchange diffchange-inline">: How perf tools work, examples of usage to solve real problems, observability articles</ins>]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Glossary]]</div></td></tr>
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Acme
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3631&oldid=prev
Ian Rogers: Add glossary
2022-07-28T06:47:01Z
<p>Add glossary</p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Useful Links]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[Useful Links]]</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">* [[Glossary]]</ins></div></td></tr>
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Ian Rogers
https://perf.wiki.kernel.org/index.php?title=Main_Page&diff=3624&oldid=prev
Ian Rogers: Useful links has moved to its own page
2022-07-28T04:09:02Z
<p>Useful links has moved to its own page</p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>* [[perf tools support for Intel&reg; Processor Trace]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div> </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>* [[<ins class="diffchange diffchange-inline">Useful Links</ins>]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">=== References/Useful links ===</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>* [<del class="diffchange diffchange-inline">http://indico.cern.ch/materialDisplay.py?contribId=20&sessionId=4&materialId=slides&confId=141309 Roberto Vitillo's presentation on Perf events]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* </del>[<del class="diffchange diffchange-inline">http://www.brendangregg.com/perf.html Brendan Gregg's perf examples</del>]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://youtu.be/nXaxk27zwlk CppCon 2015: Chandler Carruth "Tuning C++: Benchmarks, and CPUs, and Compilers! Oh My!"]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://www.jabperf.com/5-level-vs-4-level-page-tables-does-it-matter/ Mark Dawson, Jr. uses 'perf diff' on "5-level vs 4-level Page Tables: Does It Matter?"]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://joemario.github.io/blog/2016/09/01/c2c-blog/ Joe Mario's original 2016 article about 'perf c2c' "C2C - False Sharing Detection in Linux Perf"]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://www.linaro.org/blog/using-the-arm-statistical-profiling-extension-to-detect-false-cache-line-sharing/ Leo Yan on supporting 'perf c2c' on Armv8.2 "Using the Arm Statistical Profiling Extension to detect false cache-line sharing"]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://www.dbi-services.com/blog/linux-perf-top-basics-understand-the/ Franck Pachot's not so basic perf top tutorial "Linux perf-top basics: understand the %"]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://www.dbi-services.com/blog/should-cpu-intensive-logic-be-done-in-the-db-or-in-application-server/ Frank Pachot help going from 'time' to 'perf stat' while analysing database performance on "Should CPU-intensive logic be done in the DB or in application server?"]</del></div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div><del class="diffchange diffchange-inline">* [https://opensource.com/article/18/7/fun-perf-and-python Paul Clarke reimplements AIX's 'curt' command using perf python scripting support, detailing the whole process on "How to analyze your system with perf and Python"</del>]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div></div></td></tr>
</table>
Ian Rogers