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2025-11-26 - 18:08
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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 Wed Nov 26, 2025 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28785812133115,2sleep10-21swapper/107:07:101
287850729946,13sleep30-21swapper/307:06:073
2879007999125,35cyclictest0-21swapper/710:23:147
2879007999125,35cyclictest0-21swapper/710:23:137
2878959998716,39cyclictest0-21swapper/109:28:141
2879000998627,37cyclictest0-21swapper/608:38:146
2879007998516,38cyclictest0-21swapper/712:23:147
2879000998416,38cyclictest0-21swapper/609:13:146
2879007998317,36cyclictest0-21swapper/710:48:147
2879000998317,30cyclictest0-21swapper/607:18:146
2879000998316,37cyclictest0-21swapper/611:23:136
2879000998316,35cyclictest0-21swapper/610:38:146
287871228343,33sleep50-21swapper/507:08:595
287864528342,34sleep60-21swapper/607:08:036
2879007998214,36cyclictest0-21swapper/711:58:137
2878959998215,37cyclictest0-21swapper/109:03:141
2879007998116,36cyclictest0-21swapper/712:08:137
2879000998117,35cyclictest0-21swapper/610:58:146
2879007997917,38cyclictest0-21swapper/707:53:147
2879007997915,35cyclictest0-21swapper/711:33:147
287866627644,19sleep00-21swapper/007:08:210
29393552740,0sleep763-21ksoftirqd/708:45:127
2878953997318,20cyclictest0-21swapper/012:33:130
30375282720,0sleep70-21swapper/711:20:197
287814627156,9sleep40-21swapper/407:05:284
287849726943,13sleep20-21swapper/207:05:582
287864626842,13sleep70-21swapper/707:08:047
2878953993410,24cyclictest0-21swapper/007:31:590
2878953993410,24cyclictest0-21swapper/007:31:590
287900099339,24cyclictest0-21swapper/609:22:586
287895999339,24cyclictest0-21swapper/112:27:591
287900099328,24cyclictest0-21swapper/611:39:596
287896799328,24cyclictest0-21swapper/208:58:592
287896799328,24cyclictest0-21swapper/208:58:592
2879007993014,15cyclictest0-21swapper/707:23:147
287898699306,24cyclictest0-21swapper/408:41:594
287898699306,24cyclictest0-21swapper/407:45:594
287896799306,24cyclictest0-21swapper/211:10:582
287896799306,24cyclictest0-21swapper/207:17:582
287895399306,24cyclictest0-21swapper/012:26:580
2879000992913,15cyclictest0-21swapper/612:28:146
2879000992913,15cyclictest0-21swapper/609:43:146
2878994992928,1cyclictest0-21swapper/507:43:145
287896799295,24cyclictest0-21swapper/208:49:592
2878967992928,1cyclictest0-21swapper/211:50:122
2878967992928,1cyclictest0-21swapper/211:50:122
2878959992914,15cyclictest0-21swapper/110:18:141
2879000992812,15cyclictest0-21swapper/608:58:146
2879000992812,15cyclictest0-21swapper/608:58:146
287896799284,24cyclictest0-21swapper/212:39:592
287896799284,24cyclictest0-21swapper/210:02:592
287895399284,24cyclictest0-21swapper/007:28:580
2878959992711,15cyclictest0-21swapper/110:33:131
2879000992610,15cyclictest0-21swapper/612:38:146
2879000992610,15cyclictest0-21swapper/610:28:136
2879000992610,15cyclictest0-21swapper/608:13:146
2878994992614,12cyclictest0-21swapper/508:43:145
2878986992614,12cyclictest0-21swapper/408:03:144
2878967992625,1cyclictest0-21swapper/208:18:142
287896799262,24cyclictest0-21swapper/211:26:592
287896799262,24cyclictest0-21swapper/210:18:592
287900099259,15cyclictest0-21swapper/611:43:146
287899499259,15cyclictest0-21swapper/509:58:145
2878967992524,1cyclictest0-21swapper/211:48:142
2878967992524,1cyclictest0-21swapper/209:48:142
287895399251,24cyclictest0-21swapper/011:25:590
287895399251,24cyclictest0-21swapper/011:09:590
287895399250,1cyclictest0-21swapper/010:12:590
287895399250,1cyclictest0-21swapper/007:35:590
29250042240,1sleep32925006-21gltestperf08:20:173
2879000992423,1cyclictest2107-21gnome-shell08:21:596
287900099240,24cyclictest0-21swapper/607:53:596
2878994992410,14cyclictest0-21swapper/507:33:145
2878994992410,14cyclictest0-21swapper/507:33:145
287897499241,0cyclictest0-21swapper/312:28:593
2878967992423,1cyclictest2107-21gnome-shell11:43:592
287895999248,15cyclictest0-21swapper/109:18:141
287895399248,15cyclictest0-21swapper/011:18:140
287895399245,11cyclictest0-21swapper/008:48:140
287900799237,13cyclictest0-21swapper/709:08:147
287900099237,15cyclictest0-21swapper/611:53:146
287900099237,15cyclictest0-21swapper/611:53:146
287899499238,14cyclictest0-21swapper/510:08:145
2878967992315,8cyclictest0-21swapper/209:33:142
2878967992312,11cyclictest0-21swapper/210:13:142
2878967992311,12cyclictest0-21swapper/212:03:142
2878967992311,12cyclictest0-21swapper/211:38:142
2879000992221,1cyclictest2107-21gnome-shell09:45:586
2878994992221,1cyclictest2107-21gnome-shell09:30:595
287896799228,14cyclictest0-21swapper/207:28:142
287896799227,15cyclictest0-21swapper/210:43:142
287896799227,15cyclictest0-21swapper/209:23:142
287896799227,15cyclictest0-21swapper/208:53:142
287896799227,15cyclictest0-21swapper/207:38:142
2878967992221,1cyclictest0-21swapper/208:28:142
287895999226,15cyclictest0-21swapper/112:13:141
287895999226,15cyclictest0-21swapper/109:53:131
287900099215,15cyclictest0-21swapper/607:48:146
2878986992120,1cyclictest0-21swapper/410:30:594
287896799216,15cyclictest0-21swapper/212:18:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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