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2026-04-01 - 16:45
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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 Apr 01, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3753649993810,380cyclictest0-21swapper/611:34:026
3753649993810,380cyclictest0-21swapper/610:54:016
3753649993810,380cyclictest0-21swapper/609:52:026
3753649993810,380cyclictest0-21swapper/608:36:026
3753649993810,380cyclictest0-21swapper/607:56:026
3753649993810,1cyclictest0-21swapper/607:49:016
375362999381380,1cyclictest3844725-21kworker/3:111:16:023
375362999381379,1cyclictest3784539-21kworker/3:009:37:023
3753629993810,380cyclictest0-21swapper/310:57:013
3753629993810,380cyclictest0-21swapper/308:56:023
3753649993800,380cyclictest0-21swapper/610:56:016
3753649993800,379cyclictest0-21swapper/612:29:026
3753649993800,1cyclictest0-21swapper/612:08:026
375362999380379,1cyclictest3844725-21kworker/3:112:38:023
3753629993800,379cyclictest0-21swapper/312:18:023
3753629993800,379cyclictest0-21swapper/311:37:023
3753629993800,379cyclictest0-21swapper/309:19:023
3753629993800,379cyclictest0-21swapper/309:02:023
3753629993800,379cyclictest0-21swapper/308:48:023
3753629993800,379cyclictest0-21swapper/308:48:023
3753629993800,1cyclictest0-21swapper/312:34:023
3753629993800,1cyclictest0-21swapper/310:31:023
3753649993790,378cyclictest0-21swapper/610:28:016
375364299375374,1cyclictest3756567-21kworker/5:008:11:025
375360499371369,1cyclictest0-21swapper/008:11:010
375360499369367,1cyclictest3826674-21kworker/0:010:20:020
375360499366363,2cyclictest3826674-21kworker/0:010:38:010
375364299350349,1cyclictest3799583-21kworker/5:109:15:015
375364299349348,1cyclictest3799583-21kworker/5:109:21:015
375364299348347,1cyclictest3799583-21kworker/5:109:11:015
375364299346345,1cyclictest3756567-21kworker/5:007:47:015
375364299345344,1cyclictest3862782-21kworker/5:211:49:015
375364299345344,1cyclictest3850734-21kworker/5:009:57:015
375364299345344,1cyclictest3799583-21kworker/5:108:35:015
375364299343342,1cyclictest3925959-21kworker/5:112:25:015
375364299343342,1cyclictest3925959-21kworker/5:112:01:015
375364299343342,1cyclictest3862782-21kworker/5:210:53:025
375364299343342,1cyclictest3756567-21kworker/5:007:19:025
375364299343342,1cyclictest3756567-21kworker/5:007:19:015
375364299343341,1cyclictest3850734-21kworker/5:010:01:015
375364299343341,1cyclictest3756567-21kworker/5:008:20:025
375364299342341,1cyclictest3862782-21kworker/5:211:51:015
375364299342341,1cyclictest3756567-21kworker/5:007:37:025
375364299342340,1cyclictest3862782-21kworker/5:211:15:015
375364299341340,1cyclictest3862782-21kworker/5:211:07:025
375364299341340,1cyclictest3799583-21kworker/5:109:47:015
375364299341340,1cyclictest3756567-21kworker/5:007:59:015
375362199341340,1cyclictest3712554-21kworker/2:011:04:022
375364299340339,1cyclictest3756567-21kworker/5:007:25:025
375364299340338,1cyclictest3799583-21kworker/5:109:01:025
375364299340338,1cyclictest3756567-21kworker/5:008:25:015
375364299340338,1cyclictest3756567-21kworker/5:007:41:015
375364299340337,2cyclictest3862782-21kworker/5:210:45:025
375364299339338,1cyclictest3925959-21kworker/5:112:33:015
375364299339338,1cyclictest3925959-21kworker/5:111:55:015
375364299339338,1cyclictest3862782-21kworker/5:211:39:015
375364299339338,1cyclictest3799583-21kworker/5:108:49:025
375364299339338,1cyclictest3799583-21kworker/5:108:49:015
375364299339338,1cyclictest3756567-21kworker/5:008:03:015
375364299339337,1cyclictest3862782-21kworker/5:210:35:025
375364299338337,1cyclictest3925959-21kworker/5:112:19:015
375364299338337,1cyclictest3799583-21kworker/5:108:51:025
375364299338336,1cyclictest3799583-21kworker/5:108:34:015
375360499338336,1cyclictest3826674-21kworker/0:012:21:010
375364299337336,1cyclictest3925959-21kworker/5:112:05:015
375364299337336,1cyclictest3850734-21kworker/5:010:09:025
375364299337336,1cyclictest3799583-21kworker/5:108:57:025
375364299337336,1cyclictest3756567-21kworker/5:008:15:025
375364299336335,1cyclictest3925959-21kworker/5:112:23:015
375364299336335,1cyclictest3925959-21kworker/5:112:13:015
375364299336335,1cyclictest3799583-21kworker/5:109:33:025
375364299336335,1cyclictest3756567-21kworker/5:008:07:015
375360499336335,1cyclictest3826674-21kworker/0:011:51:010
375360499336334,1cyclictest3826674-21kworker/0:011:15:020
375364299335334,1cyclictest3862782-21kworker/5:211:41:015
375364299335334,1cyclictest3862782-21kworker/5:211:41:015
375364299335334,1cyclictest3862782-21kworker/5:211:13:025
375364299335334,1cyclictest3862782-21kworker/5:210:40:025
375364299335334,1cyclictest3862782-21kworker/5:210:30:015
375364299335334,1cyclictest3799583-21kworker/5:109:27:025
375364299335334,1cyclictest3756567-21kworker/5:007:51:025
375364299335334,1cyclictest3756567-21kworker/5:007:30:025
375364299335333,1cyclictest3799583-21kworker/5:109:05:025
375364299334333,1cyclictest4001425-21kworker/5:107:11:015
375364299334333,1cyclictest0-21swapper/512:35:015
375364299334332,1cyclictest3862782-21kworker/5:211:20:015
375360499334333,1cyclictest0-21swapper/007:25:020
375360499334333,1cyclictest0-21swapper/007:15:010
375360499334333,1cyclictest0-21swapper/007:15:010
375360499334332,1cyclictest3826674-21kworker/0:012:33:020
375364299333331,1cyclictest0-21swapper/510:16:025
375360499333331,1cyclictest3826674-21kworker/0:011:05:020
375360499333331,1cyclictest3721569-21kworker/0:207:43:020
375364299332331,1cyclictest3862782-21kworker/5:211:02:025
375364299332331,1cyclictest3862782-21kworker/5:210:25:025
375364299332331,1cyclictest3862782-21kworker/5:210:22:015
375364299332331,1cyclictest3799583-21kworker/5:108:41:015
375364299332331,1cyclictest3756567-21kworker/5:007:22:025
375360499332330,1cyclictest0-21swapper/008:51:020
375360499332329,2cyclictest3826674-21kworker/0:010:42:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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