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2026-04-04 - 07:19
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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 Sat Apr 04, 2026 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38822099359357,1cyclictest491456-21kworker/6:221:59:026
38819899353352,1cyclictest0-21swapper/321:41:023
38819899352350,2cyclictest0-21swapper/323:43:023
38819899352349,2cyclictest443157-21kworker/3:121:26:023
38819899351350,1cyclictest443157-21kworker/3:123:31:023
38819899351350,1cyclictest443157-21kworker/3:122:15:023
38819899350349,1cyclictest0-21swapper/322:37:023
38819899349348,1cyclictest0-21swapper/323:49:023
38819899349348,1cyclictest0-21swapper/323:04:023
38819899349348,1cyclictest0-21swapper/300:31:023
38819899348347,1cyclictest443157-21kworker/3:122:55:023
38819899348347,1cyclictest443157-21kworker/3:122:52:023
38819899348347,1cyclictest443157-21kworker/3:122:11:023
38819899348347,1cyclictest0-21swapper/323:16:023
38819899348347,1cyclictest0-21swapper/323:16:013
38819899348347,1cyclictest0-21swapper/321:30:023
38819899348347,1cyclictest0-21swapper/300:19:023
38819899348346,1cyclictest0-21swapper/323:20:023
38819899348346,1cyclictest0-21swapper/322:46:023
38819899347346,1cyclictest443157-21kworker/3:121:50:023
38819899347346,1cyclictest443157-21kworker/3:121:50:023
38819899347346,1cyclictest0-21swapper/321:55:023
38819899347346,1cyclictest0-21swapper/321:45:023
38819899347345,1cyclictest636373-21kworker/3:023:37:023
38819899347345,1cyclictest443157-21kworker/3:122:30:023
38819899346345,1cyclictest636373-21kworker/3:000:29:023
38819899346345,1cyclictest636373-21kworker/3:000:06:023
38819899346345,1cyclictest0-21swapper/321:15:023
38819899346345,1cyclictest0-21swapper/300:37:023
38819899345344,1cyclictest636373-21kworker/3:023:55:023
38819899345344,1cyclictest0-21swapper/323:08:023
38819899345344,1cyclictest0-21swapper/322:27:023
38819899345342,2cyclictest644296-21kworker/3:019:42:023
38819899344343,1cyclictest636373-21kworker/3:000:02:023
38819899344343,1cyclictest0-21swapper/322:07:023
38819899344343,1cyclictest0-21swapper/322:04:023
38819899344343,1cyclictest0-21swapper/321:05:023
38819899344342,1cyclictest636373-21kworker/3:023:50:023
38819899344342,1cyclictest0-21swapper/300:24:023
38819899344341,2cyclictest644296-21kworker/3:019:50:023
38819899343342,1cyclictest636373-21kworker/3:000:10:023
38819899343342,1cyclictest0-21swapper/320:55:023
38819899343341,1cyclictest0-21swapper/319:55:023
38821399342341,1cyclictest497097-21kworker/5:123:23:025
38819899342341,1cyclictest443157-21kworker/3:120:40:033
38819899342341,1cyclictest0-21swapper/320:45:023
38819899342341,1cyclictest0-21swapper/320:05:023
38819899342341,1cyclictest0-21swapper/319:30:023
38819899341339,1cyclictest644296-21kworker/3:019:21:023
38819899340339,1cyclictest644296-21kworker/3:020:10:023
38819899340339,1cyclictest0-21swapper/320:50:023
38819899340339,1cyclictest0-21swapper/320:22:023
38819899340339,1cyclictest0-21swapper/320:22:023
38819899339338,1cyclictest644296-21kworker/3:019:11:023
38819899338337,1cyclictest644296-21kworker/3:020:03:023
38817399336335,1cyclictest617438-21kworker/0:223:56:020
38817399334332,1cyclictest0-21swapper/022:05:020
38821399333332,1cyclictest497097-21kworker/5:100:36:025
38817399332330,1cyclictest0-21swapper/023:44:020
38817399331329,1cyclictest0-21swapper/022:33:020
38817399329328,1cyclictest0-21swapper/000:11:020
38817399329328,1cyclictest0-21swapper/000:00:010
38817399329327,1cyclictest0-21swapper/021:16:020
38821399328327,1cyclictest0-21swapper/523:41:025
38817399328327,1cyclictest401053-21kworker/0:023:01:020
38817399328327,1cyclictest0-21swapper/020:15:020
38817399328326,1cyclictest0-21swapper/021:25:020
38821399327326,1cyclictest497097-21kworker/5:122:32:025
38817399327326,1cyclictest401053-21kworker/0:022:19:020
38817399327325,1cyclictest401053-21kworker/0:021:31:020
38821399326325,1cyclictest497097-21kworker/5:122:40:025
38821399326325,1cyclictest349757-21kworker/5:121:17:025
38821399326325,1cyclictest0-21swapper/523:47:025
38821399326325,1cyclictest0-21swapper/522:16:025
38817399326325,1cyclictest401053-21kworker/0:023:15:020
38817399326325,1cyclictest401053-21kworker/0:023:15:020
38817399326325,1cyclictest0-21swapper/021:11:020
38817399326324,1cyclictest0-21swapper/023:07:020
38817399326324,1cyclictest0-21swapper/000:20:020
38821399325324,1cyclictest497097-21kworker/5:123:39:025
38821399325324,1cyclictest0-21swapper/522:59:025
38821399325323,2cyclictest0-21swapper/522:49:025
38817399325324,1cyclictest0-21swapper/023:24:020
38817399325324,1cyclictest0-21swapper/022:56:020
38817399325323,1cyclictest401053-21kworker/0:022:36:020
38817399325323,1cyclictest0-21swapper/021:37:020
38821399324323,1cyclictest497097-21kworker/5:122:22:025
38821399324323,1cyclictest497097-21kworker/5:100:26:025
38821399324322,1cyclictest497097-21kworker/5:123:13:025
38817399324323,1cyclictest617438-21kworker/0:223:52:020
38817399324323,1cyclictest0-21swapper/023:33:020
38817399324323,1cyclictest0-21swapper/000:33:020
38817399324323,1cyclictest0-21swapper/000:25:020
38817399324322,1cyclictest617438-21kworker/0:223:36:020
38821399323322,1cyclictest472499-21kworker/5:021:36:025
38821399323322,1cyclictest349757-21kworker/5:119:25:025
38821399323322,1cyclictest0-21swapper/523:30:025
38821399323322,1cyclictest0-21swapper/522:14:025
38821399323322,1cyclictest0-21swapper/500:23:025
38821399323321,1cyclictest497097-21kworker/5:123:09:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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