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2026-04-09 - 12:00
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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 Apr 09, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219371999382378,2cyclictest2206314-21kworker/5:121:52:025
219371999380378,1cyclictest2206314-21kworker/5:122:10:025
219371999380378,1cyclictest2206314-21kworker/5:100:24:015
2193719993800,379cyclictest0-21swapper/522:20:015
219370799380379,1cyclictest0-21swapper/321:45:023
219371999379378,1cyclictest2206314-21kworker/5:123:17:025
219371999379377,1cyclictest2206314-21kworker/5:121:19:025
2193719993790,378cyclictest0-21swapper/521:29:025
219371999378377,1cyclictest2206314-21kworker/5:122:59:025
219371999378377,1cyclictest2206314-21kworker/5:122:03:025
219370799378377,1cyclictest0-21swapper/321:36:023
219371999377376,1cyclictest2206314-21kworker/5:123:02:025
219371999377376,1cyclictest0-21swapper/522:30:025
219371999377376,1cyclictest0-21swapper/521:40:025
219371999377375,1cyclictest2206314-21kworker/5:123:13:025
219371999377375,1cyclictest0-21swapper/521:38:025
219371999377375,1cyclictest0-21swapper/521:11:025
219371999377374,2cyclictest2206314-21kworker/5:100:19:025
219370799377376,1cyclictest2482858-21kworker/3:021:53:023
219370799377376,1cyclictest0-21swapper/323:47:023
219370799377376,1cyclictest0-21swapper/323:18:023
219370799377376,1cyclictest0-21swapper/300:25:023
219370799377375,1cyclictest0-21swapper/322:51:023
219370799377375,1cyclictest0-21swapper/321:43:023
219371999376375,1cyclictest0-21swapper/522:54:025
219371999376374,1cyclictest2206314-21kworker/5:123:43:025
219371999376374,1cyclictest0-21swapper/523:46:025
219370799376375,1cyclictest0-21swapper/323:36:023
219370799376375,1cyclictest0-21swapper/323:26:023
219370799376374,1cyclictest2387689-21kworker/3:123:23:023
219370799376374,1cyclictest0-21swapper/323:32:023
219370799376374,1cyclictest0-21swapper/322:42:023
219370799376374,1cyclictest0-21swapper/322:02:023
219370799376374,1cyclictest0-21swapper/319:50:023
219371999375374,1cyclictest2206314-21kworker/5:122:46:025
219371999375374,1cyclictest0-21swapper/523:21:025
219371999375374,1cyclictest0-21swapper/520:45:025
219371999375374,1cyclictest0-21swapper/519:25:025
219371999375374,1cyclictest0-21swapper/500:14:025
219371999375373,2cyclictest2206314-21kworker/5:120:20:035
219371999375373,2cyclictest0-21swapper/523:34:025
219371999375373,1cyclictest2206314-21kworker/5:123:07:025
219371999375373,1cyclictest2206314-21kworker/5:121:31:025
219370799375374,1cyclictest2339171-21kworker/3:222:49:023
219370799375374,1cyclictest0-21swapper/322:25:023
219370799375374,1cyclictest0-21swapper/300:10:023
219370799375373,1cyclictest2471808-21kworker/3:000:05:023
219370799375373,1cyclictest0-21swapper/300:34:023
219370799375372,2cyclictest2339171-21kworker/3:222:39:023
219370799375372,2cyclictest2339171-21kworker/3:222:39:023
219371999374373,1cyclictest2206314-21kworker/5:122:06:025
219371999374373,1cyclictest0-21swapper/520:00:025
219371999374372,1cyclictest0-21swapper/519:14:035
219370799374372,1cyclictest2387689-21kworker/3:123:51:023
219370799374372,1cyclictest2387689-21kworker/3:122:58:023
219370799374372,1cyclictest0-21swapper/320:40:023
219370799374372,1cyclictest0-21swapper/320:25:023
219371999373372,1cyclictest2206314-21kworker/5:121:01:025
219371999373372,1cyclictest2206314-21kworker/5:119:35:025
219371999373372,1cyclictest2206314-21kworker/5:119:35:025
219370799372370,1cyclictest2482858-21kworker/3:021:26:023
219370799372370,1cyclictest2482858-21kworker/3:021:24:023
219370799372370,1cyclictest2482858-21kworker/3:021:17:023
219370799372370,1cyclictest2482858-21kworker/3:019:42:023
219370799372370,1cyclictest2339171-21kworker/3:222:16:023
219371999371370,1cyclictest0-21swapper/519:48:025
219371999371369,1cyclictest0-21swapper/519:17:025
219370799371370,1cyclictest2471808-21kworker/3:000:21:023
219370799371370,1cyclictest0-21swapper/321:09:023
219370799371370,1cyclictest0-21swapper/321:09:023
219370799371370,1cyclictest0-21swapper/320:14:023
219370799371369,1cyclictest2339171-21kworker/3:222:34:023
219371999370369,1cyclictest0-21swapper/520:33:025
219371999370369,1cyclictest0-21swapper/520:08:025
219371999370368,1cyclictest2206314-21kworker/5:120:36:025
219370799370368,1cyclictest2482858-21kworker/3:021:32:023
219370799370368,1cyclictest2482858-21kworker/3:020:05:023
219370799370368,1cyclictest2482858-21kworker/3:019:15:023
219370799370368,1cyclictest2387689-21kworker/3:123:59:023
219370799370368,1cyclictest2339171-21kworker/3:222:11:023
219371999369368,1cyclictest2206314-21kworker/5:121:07:025
219371999369368,1cyclictest2206314-21kworker/5:121:07:025
219371999369368,1cyclictest0-21swapper/519:51:025
219371999369368,1cyclictest0-21swapper/519:24:025
219370799369368,1cyclictest2482858-21kworker/3:022:09:023
219370799369368,1cyclictest2482858-21kworker/3:021:55:023
219370799369368,1cyclictest2266727-21kworker/3:221:14:023
219370799369368,1cyclictest0-21swapper/320:37:023
219370799369367,1cyclictest0-21swapper/319:58:023
219371999368367,1cyclictest2206314-21kworker/5:120:52:025
219371999368367,1cyclictest2206314-21kworker/5:119:57:025
219371999368367,1cyclictest0-21swapper/520:17:025
219371999368367,1cyclictest0-21swapper/519:32:025
219370799367366,1cyclictest0-21swapper/320:51:023
219370799367365,1cyclictest2482858-21kworker/3:020:30:023
219370799366364,1cyclictest2482858-21kworker/3:020:18:023
219370799365363,1cyclictest2482858-21kworker/3:021:03:023
219370799365363,1cyclictest2482858-21kworker/3:020:56:023
219370799364362,1cyclictest2482858-21kworker/3:019:31:023
219370799364362,1cyclictest2482858-21kworker/3:019:23:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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