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2026-05-20 - 06:13
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Wed May 20, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26814799381380,1cyclictest299015-21kworker/5:220:34:025
26814799381379,1cyclictest0-21swapper/519:31:025
268147993810,380cyclictest0-21swapper/519:16:015
268147993810,380cyclictest0-21swapper/519:16:015
26813299381379,1cyclictest419381-21kworker/3:123:01:013
26814799380379,1cyclictest299015-21kworker/5:220:07:025
268147993800,379cyclictest0-21swapper/520:57:015
26813299380378,1cyclictest419381-21kworker/3:100:32:023
268132993800,379cyclictest455574-21ssh22:43:023
268132993800,379cyclictest0-21swapper/322:35:023
26814799379378,1cyclictest226307-21kworker/5:019:36:025
26813299379378,1cyclictest419381-21kworker/3:123:53:023
26813299379376,2cyclictest352012-21kworker/3:321:21:023
26813299378376,1cyclictest352012-21kworker/3:322:19:023
26813299378376,1cyclictest352012-21kworker/3:322:19:013
26813299378375,2cyclictest419381-21kworker/3:123:36:023
26813299377376,1cyclictest419381-21kworker/3:122:54:013
26813299377376,1cyclictest419381-21kworker/3:122:45:023
26813299377376,1cyclictest419381-21kworker/3:100:39:023
26813299377376,1cyclictest352012-21kworker/3:321:31:023
26813299377376,1cyclictest0-21swapper/322:11:023
26813299377376,1cyclictest0-21swapper/321:28:023
26813299377375,1cyclictest419381-21kworker/3:123:14:023
26813299376375,1cyclictest352012-21kworker/3:321:44:013
26813299376375,1cyclictest352012-21kworker/3:321:39:023
26813299376375,1cyclictest0-21swapper/322:05:013
26813299376374,1cyclictest0-21swapper/322:26:023
26813299375374,1cyclictest352012-21kworker/3:321:57:023
26813299375373,2cyclictest419381-21kworker/3:100:17:013
26813299374373,1cyclictest419381-21kworker/3:123:23:013
26813299374373,1cyclictest0-21swapper/322:57:013
26813299374373,1cyclictest0-21swapper/322:34:013
26813299374373,1cyclictest0-21swapper/321:52:023
26813299374373,1cyclictest0-21swapper/320:33:013
26813299374373,1cyclictest0-21swapper/300:28:023
26813299374372,1cyclictest419381-21kworker/3:123:57:023
26813299374372,1cyclictest0-21swapper/300:06:023
26813299373372,1cyclictest338146-21kworker/3:221:16:023
26813299373371,1cyclictest0-21swapper/320:05:013
26813299373371,1cyclictest0-21swapper/319:23:013
26813299372371,1cyclictest0-21swapper/320:20:023
26813299372371,1cyclictest0-21swapper/319:30:023
26813299371370,1cyclictest261983-21kworker/3:019:25:013
26813299371370,1cyclictest0-21swapper/322:02:013
26813299371369,1cyclictest261983-21kworker/3:019:10:023
26813299371368,2cyclictest261983-21kworker/3:020:41:023
26813299370369,1cyclictest261983-21kworker/3:019:35:023
26813299370368,1cyclictest261983-21kworker/3:019:49:023
26813299369368,1cyclictest338146-21kworker/3:221:09:013
26813299368367,1cyclictest0-21swapper/321:02:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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