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2025-11-27 - 09:29
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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 Thu Nov 27, 2025 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298062024710,4sleep7621rcuc/719:05:217
29801652142122,17sleep30-21swapper/319:05:183
298070221070,10sleep010-21ksoftirqd/019:05:220
31640702960,1sleep763-21ksoftirqd/722:36:537
298159329643,13sleep60-21swapper/619:09:076
298141428343,14sleep50-21swapper/519:06:315
32948362820,0sleep00-21swapper/000:20:180
29959982810,0sleep656-21ksoftirqd/619:30:126
2981888998015,36cyclictest0-21swapper/620:48:146
2981888998013,37cyclictest0-21swapper/600:33:136
2981888997917,36cyclictest0-21swapper/621:13:146
32116492770,2sleep656-21ksoftirqd/623:15:126
30481202760,0sleep00-21swapper/021:00:170
2981888997615,38cyclictest0-21swapper/621:38:146
216999750,42rtkit-daemon0-21swapper/119:07:301
32424712730,0sleep442-21ksoftirqd/423:40:014
298166027244,13sleep20-21swapper/219:09:582
31404242710,0sleep50-21swapper/522:19:045
2981888997116,40cyclictest0-21swapper/622:23:136
29818762710,0sleep40-21swapper/419:10:004
32494142700,0sleep20-21swapper/223:45:122
2981888997017,39cyclictest0-21swapper/623:23:146
31128662690,0sleep00-21swapper/021:55:520
2981888996815,37cyclictest0-21swapper/622:48:146
32149892670,0sleep10-21swapper/123:17:241
298189699649,24cyclictest0-21swapper/722:13:147
2981896995914,13cyclictest0-21swapper/721:23:147
2981865995916,36cyclictest0-21swapper/319:53:143
2981865995517,36cyclictest0-21swapper/320:13:133
2981865995215,35cyclictest0-21swapper/322:33:143
2981896995017,33cyclictest0-21swapper/723:33:147
2981896995016,34cyclictest0-21swapper/723:08:137
2981896994915,34cyclictest0-21swapper/723:43:137
2981896994915,34cyclictest0-21swapper/720:28:137
2981896994915,33cyclictest0-21swapper/700:08:137
2981896994816,32cyclictest0-21swapper/719:28:147
2981896994715,32cyclictest0-21swapper/720:38:137
2981896994415,29cyclictest0-21swapper/722:58:147
2981896994317,26cyclictest0-21swapper/723:58:147
298186599339,24cyclictest0-21swapper/321:05:593
2981865993310,0cyclictest0-21swapper/320:46:593
2981839993230,1cyclictest0-21swapper/000:37:590
2981880993131,0cyclictest0-21swapper/500:24:535
298189699296,0cyclictest0-21swapper/723:24:597
298186599295,24cyclictest0-21swapper/319:17:583
2981858992916,13cyclictest0-21swapper/219:38:132
30850742280,0sleep20-21swapper/221:35:122
298189699284,24cyclictest0-21swapper/721:33:597
298189699284,24cyclictest0-21swapper/720:03:597
298189699284,24cyclictest0-21swapper/720:03:597
298189699284,24cyclictest0-21swapper/700:10:587
2981888992813,15cyclictest0-21swapper/623:48:146
2981888992812,15cyclictest0-21swapper/620:08:146
2981888992812,15cyclictest0-21swapper/600:23:136
2981846992828,0cyclictest0-21swapper/122:51:051
216999280,0rtkit-daemon0-21swapper/420:44:130
2981896992710,16cyclictest0-21swapper/722:03:137
2981888992711,15cyclictest0-21swapper/620:58:136
2981865992711,15cyclictest0-21swapper/300:38:133
298185899270,27cyclictest3302508-21ssh00:26:172
32718272260,0sleep70-21swapper/700:02:317
2981865992610,15cyclictest0-21swapper/320:23:143
2981858992610,15cyclictest0-21swapper/220:18:142
298189699251,24cyclictest0-21swapper/719:19:597
298188899259,15cyclictest0-21swapper/623:13:146
2981872992523,1cyclictest3316358-21taskset00:37:584
2981865992524,1cyclictest2107-21gnome-shell00:28:583
2981865992524,1cyclictest2107-21gnome-shell00:24:583
298185899259,11cyclictest0-21swapper/221:43:132
298185899258,16cyclictest0-21swapper/219:23:142
2981896992423,1cyclictest2107-21gnome-shell00:25:597
298188899248,15cyclictest0-21swapper/620:33:146
30968022230,0sleep10-21swapper/121:44:561
30743462230,0sleep50-21swapper/521:25:215
30743462230,0sleep50-21swapper/521:25:215
2981896992323,0cyclictest0-21swapper/720:10:207
2981896992322,1cyclictest2107-21gnome-shell21:40:587
298188899237,15cyclictest0-21swapper/621:53:136
2981888992322,1cyclictest2107-21gnome-shell21:58:596
298185899237,15cyclictest0-21swapper/223:38:142
31069612220,0sleep70-21swapper/721:51:277
298188899226,15cyclictest0-21swapper/619:48:146
298188899226,15cyclictest0-21swapper/600:03:136
298186599226,15cyclictest0-21swapper/322:08:143
298185899226,15cyclictest0-21swapper/220:43:132
2981896992120,1cyclictest2107-21gnome-shell22:44:587
2981880992120,1cyclictest0-21swapper/523:28:585
2981846992120,1cyclictest2107-21gnome-shell23:28:591
216999210,0rtkit-daemon0-21swapper/421:28:350
216999210,0rtkit-daemon0-21swapper/421:28:340
298188899209,7cyclictest823-21earlyoom22:55:586
2981880992019,1cyclictest0-21swapper/523:32:595
2981865992019,1cyclictest2107-21gnome-shell21:50:583
2981865992019,1cyclictest0-21swapper/320:01:593
2981865992019,1cyclictest0-21swapper/320:01:593
2981846992013,7cyclictest2297-21pool-gsd-smartc22:33:261
2981839992020,0cyclictest0-21swapper/000:06:040
216999200,1rtkit-daemon823-21earlyoom23:51:334
216999200,0rtkit-daemon0-21swapper/423:51:080
29968432190,0sleep10-21swapper/119:30:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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