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2026-07-26 - 14:27
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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 Jul 26, 2026 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
373886399347345,1cyclictest0-21swapper/000:11:020
373889599335331,2cyclictest3961958-21kworker/4:000:11:024
373888199330329,1cyclictest3840945-21kworker/2:223:11:022
373888199330329,1cyclictest0-21swapper/223:34:022
373888199330328,2cyclictest3840945-21kworker/2:222:37:022
373888199329328,1cyclictest3840945-21kworker/2:223:52:022
373888199328327,1cyclictest3840945-21kworker/2:222:21:022
373888199328327,1cyclictest0-21swapper/222:54:022
373888199328326,1cyclictest3840945-21kworker/2:222:18:022
373888199327326,1cyclictest0-21swapper/223:16:022
373888199327326,1cyclictest0-21swapper/222:09:022
373888199327325,1cyclictest0-21swapper/222:01:022
373888199326325,1cyclictest3996643-21kworker/2:021:21:022
373888199326325,1cyclictest3840945-21kworker/2:223:27:022
373888199326325,1cyclictest3840945-21kworker/2:223:08:022
373888199326325,1cyclictest3840945-21kworker/2:221:53:022
373888199326325,1cyclictest0-21swapper/221:44:022
373888199326325,1cyclictest0-21swapper/221:14:022
373888199326324,1cyclictest3840945-21kworker/2:222:25:022
373888199326324,1cyclictest0-21swapper/223:35:022
373888199325324,1cyclictest3840945-21kworker/2:223:24:022
373888199325324,1cyclictest3840945-21kworker/2:222:43:022
373888199325324,1cyclictest3840945-21kworker/2:222:11:022
373888199325324,1cyclictest3840945-21kworker/2:221:37:022
373888199325324,1cyclictest3840945-21kworker/2:200:02:022
373888199325324,1cyclictest0-21swapper/200:30:022
373888199325323,1cyclictest0-21swapper/223:41:022
373888199324323,1cyclictest3840945-21kworker/2:222:55:022
373888199324323,1cyclictest3840945-21kworker/2:221:56:022
373888199324323,1cyclictest0-21swapper/221:17:022
373888199324322,1cyclictest0-21swapper/200:28:022
373888199323322,1cyclictest3996643-21kworker/2:020:47:022
373888199323322,1cyclictest3996643-21kworker/2:020:15:022
373888199323322,1cyclictest3840945-21kworker/2:223:03:022
373888199323322,1cyclictest3840945-21kworker/2:222:48:022
373888199323322,1cyclictest0-21swapper/221:46:022
373888199323322,1cyclictest0-21swapper/219:48:022
373888199322321,1cyclictest3996643-21kworker/2:021:26:012
373888199322321,1cyclictest3840945-21kworker/2:200:24:022
373888199322321,1cyclictest3840945-21kworker/2:200:09:022
373888199322321,1cyclictest0-21swapper/219:38:022
373888199322320,1cyclictest0-21swapper/221:05:022
373888199321320,1cyclictest3996643-21kworker/2:020:20:022
373888199321320,1cyclictest0-21swapper/221:00:022
373888199321320,1cyclictest0-21swapper/219:10:032
373888199320318,1cyclictest0-21swapper/219:42:022
373888199319318,1cyclictest3996643-21kworker/2:020:51:022
373888199319318,1cyclictest3996643-21kworker/2:020:37:022
373888199318317,1cyclictest3996643-21kworker/2:020:33:022
373888199318317,1cyclictest3996643-21kworker/2:020:33:022
373888199318317,1cyclictest3996643-21kworker/2:019:31:022
373888199317316,1cyclictest3996643-21kworker/2:019:59:022
373888199317316,1cyclictest3996643-21kworker/2:019:19:022
373888199316315,1cyclictest3996643-21kworker/2:020:07:022
373888199316315,1cyclictest3996643-21kworker/2:019:24:022
373891099300298,1cyclictest0-21swapper/621:18:026
373891099293292,1cyclictest3942102-21kworker/6:323:34:026
373891099293291,1cyclictest0-21swapper/622:37:026
373891099292291,1cyclictest0-21swapper/623:11:026
373891099291290,1cyclictest0-21swapper/623:52:026
373891099291290,1cyclictest0-21swapper/622:21:026
373891099290289,1cyclictest3738767-21kworker/6:222:54:026
373891099290288,1cyclictest3738767-21kworker/6:221:24:026
373891099290288,1cyclictest0-21swapper/622:18:026
373891099289288,1cyclictest3942102-21kworker/6:323:16:026
373891099289288,1cyclictest0-21swapper/623:27:026
373891099289288,1cyclictest0-21swapper/622:06:026
373891099288287,1cyclictest3942102-21kworker/6:323:37:026
373891099288287,1cyclictest3738767-21kworker/6:222:01:026
373891099288287,1cyclictest3738767-21kworker/6:221:44:026
373891099288287,1cyclictest3738767-21kworker/6:221:13:026
373891099288287,1cyclictest0-21swapper/623:24:026
373891099288287,1cyclictest0-21swapper/623:08:026
373891099288287,1cyclictest0-21swapper/622:25:026
373891099288287,1cyclictest0-21swapper/622:11:026
373891099288287,1cyclictest0-21swapper/621:53:026
373891099288287,1cyclictest0-21swapper/600:02:026
373891099287286,1cyclictest3942102-21kworker/6:300:30:026
373891099287286,1cyclictest0-21swapper/622:55:016
373891099287286,1cyclictest0-21swapper/622:43:026
373891099287286,1cyclictest0-21swapper/621:37:026
373891099287285,2cyclictest3942102-21kworker/6:323:41:026
373891099286285,1cyclictest3738767-21kworker/6:219:48:026
373891099286285,1cyclictest0-21swapper/622:48:026
373891099286285,1cyclictest0-21swapper/621:56:026
373891099286285,1cyclictest0-21swapper/620:47:026
373891099286284,1cyclictest0-21swapper/623:03:026
373891099286284,1cyclictest0-21swapper/620:15:026
373891099285284,1cyclictest3942102-21kworker/6:300:28:026
373891099285284,1cyclictest3738767-21kworker/6:221:46:026
373891099285284,1cyclictest3738767-21kworker/6:219:38:026
373891099285284,1cyclictest0-21swapper/600:24:026
373891099284283,1cyclictest3738767-21kworker/6:221:00:026
373891099284283,1cyclictest3738767-21kworker/6:219:10:026
373891099284283,1cyclictest0-21swapper/621:26:026
373891099284283,1cyclictest0-21swapper/620:20:026
373891099284283,1cyclictest0-21swapper/600:09:026
373891099284282,2cyclictest3738767-21kworker/6:221:05:026
373891099282281,1cyclictest0-21swapper/620:51:026
373891099282281,1cyclictest0-21swapper/620:37:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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