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2025-11-16 - 05:43
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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 Sun Nov 16, 2025 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326122621620,3sleep40-21swapper/419:05:304
32611172121116,2sleep20-21swapper/219:05:302
326171729980,4sleep10-21swapper/119:07:291
216999970,51rtkit-daemon0-21swapper/519:07:035
33415132880,1sleep335-21ksoftirqd/321:11:383
3262134998715,40cyclictest0-21swapper/620:38:136
3262134998715,40cyclictest0-21swapper/620:38:136
3262124998716,40cyclictest0-21swapper/500:38:135
3262124998716,40cyclictest0-21swapper/500:38:135
3262134998616,36cyclictest0-21swapper/623:18:136
3262124998624,33cyclictest0-21swapper/521:43:135
3262124998515,38cyclictest0-21swapper/522:08:145
326185628543,13sleep00-21swapper/019:09:290
3262134998417,36cyclictest0-21swapper/622:53:136
3262124998430,35cyclictest0-21swapper/523:53:135
3262134998216,33cyclictest0-21swapper/600:23:146
326091328262,17sleep70-21swapper/719:05:267
3262124997916,35cyclictest0-21swapper/523:28:145
3262124997816,34cyclictest0-21swapper/523:38:135
3262124997715,34cyclictest0-21swapper/520:23:135
34258812750,1sleep335-21ksoftirqd/322:19:543
3262140997422,35cyclictest0-21swapper/719:38:137
3262140997214,35cyclictest0-21swapper/720:13:137
34855612710,1sleep442-21ksoftirqd/423:05:294
3262140997115,34cyclictest0-21swapper/722:43:137
325917827145,13sleep60-21swapper/619:05:086
34755422700,0sleep20-21swapper/222:59:022
3262140997015,35cyclictest0-21swapper/719:48:137
35960152690,2sleep010-21ksoftirqd/000:35:130
35960152690,2sleep010-21ksoftirqd/000:35:130
326162226842,13sleep30-21swapper/319:06:103
3262140996716,39cyclictest0-21swapper/720:03:147
35258272570,0sleep00-21swapper/023:39:150
3262134995616,34cyclictest0-21swapper/621:33:146
3262110993511,0cyclictest0-21swapper/323:38:583
3262134993418,15cyclictest0-21swapper/623:03:136
3262110993411,0cyclictest0-21swapper/300:24:583
326213499330,0cyclictest0-21swapper/623:26:166
326209699339,24cyclictest3348793-21ssh21:17:581
326209699339,24cyclictest0-21swapper/123:52:581
326211099328,24cyclictest0-21swapper/321:57:583
3262140993115,15cyclictest0-21swapper/700:33:147
326210499317,24cyclictest0-21swapper/222:44:582
3262104993131,0cyclictest0-21swapper/200:33:302
3262134993014,15cyclictest0-21swapper/619:33:136
32821352290,0sleep335-21ksoftirqd/319:40:163
326214099297,22cyclictest0-21swapper/723:33:587
326214099295,24cyclictest0-21swapper/722:57:587
3262140992912,16cyclictest0-21swapper/723:23:147
3262140992912,16cyclictest0-21swapper/723:23:147
326212499295,24cyclictest0-21swapper/500:11:585
3262096992913,15cyclictest0-21swapper/119:18:131
3262096992913,15cyclictest0-21swapper/100:18:131
34409532280,0sleep40-21swapper/422:30:214
3262140992812,15cyclictest0-21swapper/721:38:137
3262134992816,11cyclictest0-21swapper/621:58:136
3262134992812,15cyclictest0-21swapper/620:53:146
3262134992812,15cyclictest0-21swapper/620:08:136
326214099273,24cyclictest0-21swapper/700:09:587
326214099273,1cyclictest0-21swapper/723:25:587
3262140992711,15cyclictest0-21swapper/722:28:137
3262140992711,15cyclictest0-21swapper/720:28:137
3262134992711,15cyclictest0-21swapper/622:38:136
3262124992711,15cyclictest0-21swapper/521:28:135
34944602260,0sleep70-21swapper/723:14:137
3262134992611,5cyclictest0-21swapper/623:43:146
3262134992610,15cyclictest0-21swapper/623:58:136
3262134992610,15cyclictest0-21swapper/619:58:136
3262096992610,15cyclictest0-21swapper/120:43:131
326213499259,15cyclictest0-21swapper/623:33:136
326213499259,15cyclictest0-21swapper/622:23:146
326213499259,15cyclictest0-21swapper/622:13:136
3262104992525,0cyclictest0-21swapper/223:49:072
326209699259,1cyclictest0-21swapper/122:03:131
326209699259,15cyclictest0-21swapper/120:33:141
3262140992423,1cyclictest2107-21gnome-shell21:56:597
3262140992423,1cyclictest2107-21gnome-shell20:35:587
3262140992423,1cyclictest2107-21gnome-shell20:35:587
326212499248,15cyclictest0-21swapper/523:08:145
3262096992424,0cyclictest0-21swapper/122:34:551
326209699240,24cyclictest0-21swapper/121:45:581
33748792230,0sleep10-21swapper/121:39:081
3262140992322,1cyclictest2107-21gnome-shell23:00:597
326214099230,0cyclictest0-21swapper/719:41:587
35889782220,1sleep763-21ksoftirqd/700:29:437
3262140992221,1cyclictest2107-21gnome-shell19:18:597
326213499226,14cyclictest0-21swapper/619:23:136
326212499226,15cyclictest0-21swapper/522:58:135
3262110992220,2cyclictest3287878-21kworker/3:123:01:303
3262096992221,1cyclictest2107-21gnome-shell23:55:581
326213499215,15cyclictest0-21swapper/621:48:136
3262110992120,1cyclictest2107-21gnome-shell00:35:583
3262110992120,1cyclictest2107-21gnome-shell00:35:583
3262104992120,1cyclictest0-21swapper/223:16:582
3262104992119,1cyclictest2107-21gnome-shell23:24:582
3262104992119,1cyclictest2107-21gnome-shell23:24:582
34175592200,0sleep70-21swapper/722:12:057
3262140992019,1cyclictest0-21swapper/720:42:587
326212499204,15cyclictest0-21swapper/521:53:135
3262110992019,1cyclictest3287878-21kworker/3:123:16:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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