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2026-01-11 - 00:54
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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 Jan 10, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317890899333331,1cyclictest0-21swapper/108:35:021
317890899333331,1cyclictest0-21swapper/108:35:021
317890899332331,1cyclictest0-21swapper/110:51:021
317890899330329,1cyclictest0-21swapper/112:05:021
317890899330329,1cyclictest0-21swapper/109:41:021
317890899328327,1cyclictest0-21swapper/108:01:011
317890899323321,1cyclictest0-21swapper/109:33:021
317890899322321,1cyclictest3188765-21kworker/1:208:25:021
317890899321320,1cyclictest3279017-21kworker/1:212:35:021
317890899321320,1cyclictest3279017-21kworker/1:211:01:021
317890899321320,1cyclictest0-21swapper/107:25:011
317890899321319,1cyclictest0-21swapper/109:21:021
317890899321319,1cyclictest0-21swapper/109:11:011
317890899321319,1cyclictest0-21swapper/109:07:021
317890899321319,1cyclictest0-21swapper/108:23:011
317890899320318,1cyclictest0-21swapper/111:05:021
317890899320318,1cyclictest0-21swapper/110:25:021
317890899320318,1cyclictest0-21swapper/108:05:011
317890899320318,1cyclictest0-21swapper/107:37:011
317890899319318,1cyclictest3242912-21kworker/1:009:27:021
317890899319318,1cyclictest0-21swapper/111:41:021
317890899319318,1cyclictest0-21swapper/108:59:021
317890899319318,1cyclictest0-21swapper/108:49:011
317890899319318,1cyclictest0-21swapper/108:19:021
317890899319317,1cyclictest0-21swapper/108:31:021
317890899318316,1cyclictest0-21swapper/108:53:011
317890899317316,1cyclictest0-21swapper/112:11:011
317890899317316,1cyclictest0-21swapper/110:57:021
317890899317316,1cyclictest0-21swapper/110:21:021
317890899317316,1cyclictest0-21swapper/107:57:011
317890899317316,1cyclictest0-21swapper/107:45:011
317890899317316,1cyclictest0-21swapper/107:23:011
317890899317315,1cyclictest0-21swapper/112:30:011
317890899317315,1cyclictest0-21swapper/109:51:011
317890899317315,1cyclictest0-21swapper/107:54:011
317890899316315,1cyclictest0-21swapper/111:51:021
317890899316315,1cyclictest0-21swapper/111:29:021
317890899316315,1cyclictest0-21swapper/110:11:021
317890899316315,1cyclictest0-21swapper/110:05:021
317890899316315,1cyclictest0-21swapper/110:05:011
317890899316315,1cyclictest0-21swapper/107:41:011
317890899315314,1cyclictest3279017-21kworker/1:212:20:011
317890899315314,1cyclictest0-21swapper/111:37:021
317890899315314,1cyclictest0-21swapper/111:37:021
317890899315314,1cyclictest0-21swapper/111:23:021
317890899315314,1cyclictest0-21swapper/111:17:011
317890899315314,1cyclictest0-21swapper/108:41:021
317890899315314,1cyclictest0-21swapper/107:13:021
317890899315313,1cyclictest0-21swapper/110:30:021
317890899314313,1cyclictest0-21swapper/110:43:011
317890899314313,1cyclictest0-21swapper/107:31:011
317890899314312,1cyclictest0-21swapper/111:14:011
317890899314312,1cyclictest0-21swapper/109:55:021
317890899314312,1cyclictest0-21swapper/109:47:011
317894899313310,2cyclictest3152720-21kworker/6:107:25:026
317890899313312,1cyclictest0-21swapper/111:32:021
317890899313312,1cyclictest0-21swapper/110:39:011
317890899313311,1cyclictest0-21swapper/112:25:011
317890899313311,1cyclictest0-21swapper/111:46:021
317895599312311,1cyclictest0-21swapper/710:51:027
317895599312310,1cyclictest0-21swapper/708:35:027
317895599312310,1cyclictest0-21swapper/708:35:027
317890899312311,1cyclictest3279017-21kworker/1:210:00:021
317890899312310,1cyclictest0-21swapper/109:38:021
317894899311309,1cyclictest0-21swapper/608:05:016
317890899311310,1cyclictest3279017-21kworker/1:212:00:021
317890899311309,1cyclictest0-21swapper/112:15:011
317894899310307,2cyclictest0-21swapper/607:45:026
317895599309308,1cyclictest0-21swapper/712:05:017
317895599309308,1cyclictest0-21swapper/709:41:027
317894899309308,1cyclictest0-21swapper/611:05:016
317894899309307,1cyclictest3215834-21kworker/6:209:05:016
317890899309308,1cyclictest0-21swapper/110:46:021
317895599308306,1cyclictest0-21swapper/708:01:027
317894899308306,1cyclictest3215834-21kworker/6:208:59:026
317890899308307,1cyclictest0-21swapper/110:15:021
317890899308307,1cyclictest0-21swapper/108:10:011
317890899308307,1cyclictest0-21swapper/107:15:011
317894899307306,1cyclictest3215834-21kworker/6:208:19:016
317894899306304,1cyclictest3354227-21kworker/6:012:33:016
317894899306304,1cyclictest3354227-21kworker/6:012:11:026
317894899306304,1cyclictest3291050-21kworker/6:210:21:016
317894899306304,1cyclictest3152720-21kworker/6:107:57:016
317890899306305,1cyclictest0-21swapper/111:55:021
317894899305304,1cyclictest0-21swapper/610:57:026
317894899305303,1cyclictest3291050-21kworker/6:211:43:026
317894899305303,1cyclictest3251946-21kworker/6:010:13:026
317894899304303,1cyclictest3251946-21kworker/6:010:05:026
317894899304303,1cyclictest3251946-21kworker/6:010:05:026
317894899304303,1cyclictest0-21swapper/611:51:026
317894899304303,1cyclictest0-21swapper/611:29:026
317894899304302,1cyclictest3291050-21kworker/6:211:37:026
317894899304302,1cyclictest3291050-21kworker/6:211:37:026
317894899304302,1cyclictest3291050-21kworker/6:211:17:026
317894899304302,1cyclictest3152720-21kworker/6:107:41:016
317894899304302,1cyclictest0-21swapper/610:43:026
317890899304302,1cyclictest0-21swapper/109:16:011
317895599303302,1cyclictest0-21swapper/707:40:027
317894899303302,1cyclictest3251946-21kworker/6:009:53:026
317894899303302,1cyclictest0-21swapper/611:23:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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