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2026-08-19 - 10:19
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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 Wed Aug 19, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
381841799370369,1cyclictest3958726-21kworker/3:022:44:023
381844699368367,1cyclictest0-21swapper/722:44:027
381839399363362,1cyclictest0-21swapper/023:00:020
381701223410,4sleep121-21ksoftirqd/119:05:181
381843899338337,1cyclictest1092736-21kworker/6:220:27:026
381843899334332,1cyclictest0-21swapper/622:09:026
381843199333332,1cyclictest3995534-21kworker/u16:222:51:025
381843899332331,1cyclictest0-21swapper/623:33:026
381843899332330,1cyclictest0-21swapper/622:01:026
381843899331330,1cyclictest3976506-21kworker/6:123:50:026
381843899331330,1cyclictest3891411-21diskmemload23:21:026
381843899331330,1cyclictest0-21swapper/622:45:026
381843899331330,1cyclictest0-21swapper/622:45:026
381843899331330,1cyclictest0-21swapper/621:59:026
381843899331330,1cyclictest0-21swapper/621:54:026
381843899331330,1cyclictest0-21swapper/621:15:026
381843899331330,1cyclictest0-21swapper/621:15:026
381843899331329,1cyclictest4093300-21kworker/6:000:24:026
381843899331329,1cyclictest0-21swapper/621:12:026
381843899331328,2cyclictest4093300-21kworker/6:000:35:026
381843899330329,1cyclictest0-21swapper/623:06:026
381843899330329,1cyclictest0-21swapper/621:27:026
381843899330329,1cyclictest0-21swapper/600:00:026
381843199330329,1cyclictest4008231-21kworker/5:022:58:025
381843899329328,1cyclictest1092736-21kworker/6:222:14:026
381843899329328,1cyclictest1092736-21kworker/6:220:15:036
381843199329327,1cyclictest0-21swapper/520:27:025
381843899328327,1cyclictest3976506-21kworker/6:123:36:026
381843899328327,1cyclictest1092736-21kworker/6:221:36:026
381843899328327,1cyclictest0-21swapper/600:25:026
381843899328326,1cyclictest3976506-21kworker/6:122:36:026
381843899327326,1cyclictest3976506-21kworker/6:123:46:026
381843899327326,1cyclictest3976506-21kworker/6:122:56:026
381843899327326,1cyclictest3976506-21kworker/6:122:33:026
381843899327326,1cyclictest1092736-21kworker/6:222:17:026
381843899327326,1cyclictest1092736-21kworker/6:221:21:036
381843899327326,1cyclictest0-21swapper/621:40:026
381843899327326,1cyclictest0-21swapper/619:41:026
381843899327326,1cyclictest0-21swapper/600:14:026
381843899327325,2cyclictest3976506-21kworker/6:123:04:026
381843199327326,1cyclictest0-21swapper/521:47:025
381843199327325,1cyclictest3891411-21diskmemload22:28:025
381843899326325,1cyclictest3976506-21kworker/6:123:40:026
381843899326325,1cyclictest0-21swapper/622:20:026
381843899326325,1cyclictest0-21swapper/621:31:026
381843899326325,1cyclictest0-21swapper/620:48:026
381843899326325,1cyclictest0-21swapper/620:20:026
381843899326325,1cyclictest0-21swapper/600:30:026
381843899326324,1cyclictest3976506-21kworker/6:122:52:026
381843199326325,1cyclictest0-21swapper/522:12:025
381843199326324,1cyclictest0-21swapper/523:15:025
381843899325324,1cyclictest0-21swapper/623:57:026
381843899325324,1cyclictest0-21swapper/600:16:026
381843899325324,1cyclictest0-21swapper/600:06:026
381843899324323,1cyclictest1092736-21kworker/6:221:46:026
381843899324323,1cyclictest1092736-21kworker/6:220:00:026
381843899324322,1cyclictest3976506-21kworker/6:123:10:026
381843199324323,1cyclictest4072165-21kworker/5:100:31:025
381843199324323,1cyclictest4072165-21kworker/5:100:15:025
381843899323322,1cyclictest1092736-21kworker/6:219:30:036
381843199323322,1cyclictest0-21swapper/523:41:025
381843199323322,1cyclictest0-21swapper/523:25:025
381843199323321,1cyclictest3809244-21kworker/5:221:42:025
381839399323322,1cyclictest3834194-21kworker/0:023:49:020
381839399323322,1cyclictest0-21swapper/021:58:020
381843899322321,1cyclictest0-21swapper/619:38:026
381843899322320,1cyclictest0-21swapper/619:52:036
381843899322320,1cyclictest0-21swapper/619:52:026
381843199322321,1cyclictest0-21swapper/523:31:025
381843199322321,1cyclictest0-21swapper/521:32:025
381843199322321,1cyclictest0-21swapper/521:29:025
381843199322320,1cyclictest0-21swapper/519:20:025
381843199322320,1cyclictest0-21swapper/500:20:025
381843199322319,2cyclictest0-21swapper/522:01:025
381839399322320,1cyclictest0-21swapper/021:44:020
381843899321320,1cyclictest1092736-21kworker/6:221:02:026
381843899321320,1cyclictest1092736-21kworker/6:220:56:026
381843899321320,1cyclictest0-21swapper/620:54:026
381843899321320,1cyclictest0-21swapper/620:38:026
381843899321319,1cyclictest1092736-21kworker/6:219:47:026
381843199321320,1cyclictest0-21swapper/523:11:025
381843199321320,1cyclictest0-21swapper/522:21:025
381843199321319,1cyclictest3809244-21kworker/5:222:07:025
381839399321319,1cyclictest0-21swapper/000:07:020
381843899320319,1cyclictest1092736-21kworker/6:221:09:026
381843899320319,1cyclictest1092736-21kworker/6:219:58:026
381843899320319,1cyclictest0-21swapper/620:42:026
381843199320319,1cyclictest0-21swapper/521:17:025
381843199320319,1cyclictest0-21swapper/521:17:025
381843199320318,1cyclictest0-21swapper/523:54:025
381839399320319,1cyclictest3834194-21kworker/0:022:11:020
381839399320319,1cyclictest3834194-21kworker/0:021:53:020
381839399320319,1cyclictest0-21swapper/022:34:020
381839399320318,1cyclictest0-21swapper/023:28:020
381839399320318,1cyclictest0-21swapper/022:01:020
381843899319318,1cyclictest1092736-21kworker/6:219:13:036
381843899319318,1cyclictest0-21swapper/620:33:026
381843199319318,1cyclictest0-21swapper/520:55:025
381843199319318,1cyclictest0-21swapper/520:40:025
381843199319318,1cyclictest0-21swapper/519:10:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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