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2026-04-28 - 06:54
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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 Tue Apr 28, 2026 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77613199381379,1cyclictest769980-21kworker/3:121:56:013
77615999380379,1cyclictest927007-21kworker/6:022:24:026
77615999379377,1cyclictest0-21swapper/600:11:016
77613199379378,1cyclictest0-21swapper/321:46:023
77613199379378,1cyclictest0-21swapper/321:46:023
77615999378377,1cyclictest0-21swapper/623:12:026
77615999378377,1cyclictest0-21swapper/623:12:026
77613199378376,2cyclictest769980-21kworker/3:122:37:023
77613199378376,1cyclictest0-21swapper/322:47:013
77615999377376,1cyclictest0-21swapper/622:35:026
77613199377376,1cyclictest0-21swapper/320:15:023
77613199377375,1cyclictest1000835-21kworker/3:000:00:023
77613199377375,1cyclictest0-21swapper/321:39:013
77613199376375,1cyclictest769980-21kworker/3:123:01:023
77613199376375,1cyclictest0-21swapper/323:33:013
77613199376375,1cyclictest0-21swapper/300:36:023
77613199376375,1cyclictest0-21swapper/300:36:013
77613199376374,1cyclictest769980-21kworker/3:122:08:023
77613199376374,1cyclictest0-21swapper/322:29:013
77615999375374,1cyclictest0-21swapper/622:04:016
77615999375373,1cyclictest0-21swapper/622:57:016
77613199375374,1cyclictest769980-21kworker/3:122:55:013
77613199375374,1cyclictest769980-21kworker/3:121:29:013
77613199375374,1cyclictest1000835-21kworker/3:023:56:023
77613199375374,1cyclictest0-21swapper/323:29:013
77613199375374,1cyclictest0-21swapper/323:10:023
77613199375374,1cyclictest0-21swapper/323:10:023
77613199375374,1cyclictest0-21swapper/322:11:013
77613199375374,1cyclictest0-21swapper/300:05:013
77613199375373,1cyclictest769980-21kworker/3:121:11:023
77613199375373,1cyclictest0-21swapper/322:20:023
77615999374373,1cyclictest0-21swapper/621:51:026
77615999374372,1cyclictest952045-21kworker/6:123:31:016
77615999374372,1cyclictest0-21swapper/619:33:026
77613199374373,1cyclictest769980-21kworker/3:121:42:013
77613199374373,1cyclictest769980-21kworker/3:121:23:023
77613199374373,1cyclictest0-21swapper/323:36:023
77613199374372,1cyclictest769980-21kworker/3:122:50:013
77615999373371,1cyclictest952045-21kworker/6:123:22:026
77615999373370,2cyclictest952045-21kworker/6:123:05:026
77613199373372,1cyclictest769980-21kworker/3:120:20:023
77613199373372,1cyclictest769980-21kworker/3:120:20:013
77613199373372,1cyclictest0-21swapper/322:40:023
77613199373371,1cyclictest0-21swapper/300:17:023
77615999372371,1cyclictest952045-21kworker/6:123:19:026
77615999372371,1cyclictest828117-21kworker/6:221:14:026
77613199372371,1cyclictest1000835-21kworker/3:023:40:023
77613199372371,1cyclictest0-21swapper/321:31:013
77613199372371,1cyclictest0-21swapper/319:35:013
77613199372370,1cyclictest769980-21kworker/3:120:35:023
77613199372370,1cyclictest769980-21kworker/3:119:41:013
77615999371370,1cyclictest952045-21kworker/6:100:07:016
77613199371370,1cyclictest769980-21kworker/3:122:30:023
77613199371370,1cyclictest769980-21kworker/3:121:17:023
77613199371370,1cyclictest769980-21kworker/3:120:30:023
77613199371370,1cyclictest769980-21kworker/3:120:10:023
77613199371370,1cyclictest769980-21kworker/3:120:01:023
77613199371370,1cyclictest0-21swapper/320:50:013
77615999370369,1cyclictest0-21swapper/620:03:026
77615999370368,1cyclictest952045-21kworker/6:123:51:026
77615999370368,1cyclictest952045-21kworker/6:100:21:026
77615999370368,1cyclictest0-21swapper/600:31:026
77613199370368,1cyclictest769980-21kworker/3:120:28:023
77615999369368,1cyclictest828117-21kworker/6:221:57:016
77615999369367,1cyclictest927007-21kworker/6:022:16:016
77613199369368,1cyclictest769980-21kworker/3:121:09:023
77613199369368,1cyclictest769980-21kworker/3:121:04:023
77613199369368,1cyclictest0-21swapper/320:46:013
77613199369368,1cyclictest0-21swapper/319:50:023
77613199369367,1cyclictest0-21swapper/320:42:023
77615999368367,1cyclictest792026-21kworker/6:019:55:026
77615999368367,1cyclictest792026-21kworker/6:019:47:016
77615999368367,1cyclictest0-21swapper/623:47:026
77615999368367,1cyclictest0-21swapper/623:37:016
77615999368367,1cyclictest0-21swapper/620:14:026
77613199368367,1cyclictest0-21swapper/319:56:023
77615999367366,1cyclictest952045-21kworker/6:100:19:016
77615999367365,1cyclictest2242844-21kworker/6:219:10:026
77613199367365,1cyclictest0-21swapper/319:26:023
77615999366364,1cyclictest2242844-21kworker/6:219:25:026
77615999365364,1cyclictest828117-21kworker/6:221:01:016
77615999364363,1cyclictest952045-21kworker/6:100:02:026
77615999364362,1cyclictest828117-21kworker/6:220:37:026
77615999364362,1cyclictest2242844-21kworker/6:219:21:026
77615999363362,1cyclictest792026-21kworker/6:020:06:026
77615999363361,1cyclictest828117-21kworker/6:220:56:016
77615999361359,1cyclictest828117-21kworker/6:220:41:026
77611099333331,1cyclictest883317-21kworker/0:100:15:020
77614299330328,1cyclictest0-21swapper/400:15:014
77611099330328,1cyclictest0-21swapper/021:59:010
77611099329327,1cyclictest883317-21kworker/0:123:57:020
77611099328327,1cyclictest883317-21kworker/0:123:03:020
77611099328325,2cyclictest837140-21kworker/0:021:24:020
77611099327325,1cyclictest0-21swapper/000:37:020
77611099327325,1cyclictest0-21swapper/000:37:010
77614299326324,1cyclictest879915-21kworker/4:121:59:024
77611099326325,1cyclictest883317-21kworker/0:123:32:010
77611099326325,1cyclictest0-21swapper/021:13:020
77611099326325,1cyclictest0-21swapper/000:28:020
77611099326324,1cyclictest0-21swapper/000:13:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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