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2025-11-29 - 08:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Sat Nov 29, 2025 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3702020211090,4sleep20-21swapper/219:05:162
216999950,50rtkit-daemon0-21swapper/019:05:390
37116852930,1sleep30-21swapper/319:19:593
370408228542,36sleep40-21swapper/419:08:084
3704424998415,36cyclictest0-21swapper/322:03:143
370406728241,13sleep70-21swapper/719:07:547
370405228244,13sleep10-21swapper/119:07:411
39738092790,0sleep50-21swapper/523:43:075
38599332780,1sleep7621rcuc/722:11:447
39098532760,1sleep335-21ksoftirqd/322:50:503
37446912760,0sleep010-21ksoftirqd/020:10:190
37446912760,0sleep010-21ksoftirqd/020:10:190
38271172740,0sleep40-21swapper/421:45:234
370419527449,12sleep30-21swapper/319:09:433
3704399997317,36cyclictest0-21swapper/020:08:140
37289512690,0sleep60-21swapper/619:45:186
3704399996917,39cyclictest0-21swapper/019:38:140
370418926742,12sleep60-21swapper/619:09:396
370419726647,13sleep50-21swapper/519:09:455
39150352630,0sleep00-21swapper/022:55:200
3704407996232,30cyclictest0-21swapper/119:58:151
3704407996019,37cyclictest0-21swapper/119:23:141
3704407996016,37cyclictest0-21swapper/120:33:141
3704407996014,35cyclictest0-21swapper/122:38:141
3704407995916,37cyclictest0-21swapper/121:08:151
3704407995817,37cyclictest0-21swapper/100:33:151
3704407995817,37cyclictest0-21swapper/100:33:141
3704407995716,40cyclictest0-21swapper/123:38:141
3704453994710,11cyclictest0-21swapper/723:48:147
3704439994615,31cyclictest0-21swapper/520:43:145
3704439994615,31cyclictest0-21swapper/519:13:145
3704439994316,27cyclictest0-21swapper/519:48:155
3704439994216,26cyclictest0-21swapper/521:43:145
3704439994216,26cyclictest0-21swapper/521:43:145
370443999399,30cyclictest49-21ksoftirqd/521:18:145
3704453993511,24cyclictest0-21swapper/720:52:597
3704453993511,24cyclictest0-21swapper/720:10:587
3704453993511,24cyclictest0-21swapper/720:10:587
3704453993411,0cyclictest0-21swapper/722:31:597
3704453993410,24cyclictest0-21swapper/722:18:587
3704447993410,24cyclictest0-21swapper/622:10:586
3704432993315,18cyclictest0-21swapper/421:33:144
370441999339,24cyclictest0-21swapper/200:03:592
370445399328,24cyclictest0-21swapper/722:54:587
3704447993231,1cyclictest0-21swapper/600:13:146
3704447993222,9cyclictest0-21swapper/623:23:156
3704447993213,12cyclictest0-21swapper/600:23:156
370441999328,24cyclictest0-21swapper/222:01:582
3704399993215,16cyclictest0-21swapper/023:53:140
370445399317,24cyclictest0-21swapper/720:57:587
3704447993113,4cyclictest0-21swapper/623:58:146
3704447993113,4cyclictest0-21swapper/620:58:146
3704447993014,16cyclictest0-21swapper/623:33:146
3704447993014,15cyclictest0-21swapper/623:13:146
370443299306,24cyclictest0-21swapper/419:27:584
370441999306,24cyclictest0-21swapper/222:46:592
3704399993030,0cyclictest0-21swapper/021:26:470
3704399993014,15cyclictest0-21swapper/019:28:150
370445399295,24cyclictest0-21swapper/721:49:597
3704447992913,15cyclictest0-21swapper/622:43:146
3704439992913,15cyclictest0-21swapper/520:28:155
370441999295,24cyclictest0-21swapper/223:34:582
3704419992913,15cyclictest0-21swapper/223:28:142
3704407992913,15cyclictest0-21swapper/122:48:141
3704407992913,15cyclictest0-21swapper/120:18:151
39346292280,0sleep70-21swapper/723:10:327
37936162280,0sleep10-21swapper/121:20:131
37612832280,3sleep228-21ksoftirqd/220:40:002
370444799284,24cyclictest0-21swapper/623:17:596
370444799284,24cyclictest0-21swapper/620:45:596
3704447992812,15cyclictest0-21swapper/620:03:146
370442499284,24cyclictest0-21swapper/322:37:593
370445399274,0cyclictest0-21swapper/720:00:597
370444799273,24cyclictest0-21swapper/620:30:586
3704447992726,1cyclictest0-21swapper/621:24:106
3704447992711,15cyclictest0-21swapper/620:13:156
3704447992711,15cyclictest0-21swapper/620:13:156
3704432992711,15cyclictest0-21swapper/400:08:144
370441999274,0cyclictest0-21swapper/200:11:592
38103152260,0sleep20-21swapper/221:33:122
370445399262,24cyclictest0-21swapper/723:23:587
3704447992611,15cyclictest0-21swapper/621:48:146
3704447992610,15cyclictest0-21swapper/622:28:156
3704439992610,15cyclictest0-21swapper/522:58:145
3704439992610,15cyclictest0-21swapper/520:53:155
3704439992610,15cyclictest0-21swapper/500:18:155
3704424992610,15cyclictest0-21swapper/321:03:153
370440799269,10cyclictest0-21swapper/119:43:141
370443999259,15cyclictest0-21swapper/522:23:145
370443999259,15cyclictest0-21swapper/519:33:145
370441999259,15cyclictest0-21swapper/221:58:142
3704419992525,0cyclictest0-21swapper/200:36:302
370440799259,15cyclictest0-21swapper/122:13:141
370445399241,0cyclictest0-21swapper/719:53:587
3704447992423,1cyclictest2107-21gnome-shell19:12:586
370444799240,24cyclictest0-21swapper/620:24:586
3704419992423,1cyclictest2107-21gnome-shell00:31:592
3704419992423,1cyclictest2107-21gnome-shell00:31:582
370441999240,24cyclictest0-21swapper/222:33:582
370439999240,0cyclictest0-21swapper/020:25:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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