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2026-04-12 - 21:30
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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 Sun Apr 12, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
356790999379378,1cyclictest3577637-21kworker/5:007:25:025
356790999378377,1cyclictest3577637-21kworker/5:011:35:025
356790999378377,1cyclictest3577637-21kworker/5:010:30:025
356790999378377,1cyclictest3577637-21kworker/5:008:25:025
356790999377376,1cyclictest3577637-21kworker/5:010:10:025
356790999377376,1cyclictest3577637-21kworker/5:009:15:025
356790999377376,1cyclictest3577637-21kworker/5:008:40:025
356790999377376,1cyclictest0-21swapper/510:15:025
356790999376375,1cyclictest3577637-21kworker/5:011:07:015
356790999376375,1cyclictest3577637-21kworker/5:010:39:015
356790999376375,1cyclictest0-21swapper/512:01:025
356790999376375,1cyclictest0-21swapper/511:58:025
356790999376374,1cyclictest0-21swapper/512:11:025
356790999375374,1cyclictest3577637-21kworker/5:011:54:025
356790999375374,1cyclictest3577637-21kworker/5:011:27:025
356790999375374,1cyclictest3577637-21kworker/5:011:27:015
356790999375374,1cyclictest3577637-21kworker/5:010:46:025
356790999375374,1cyclictest3577637-21kworker/5:010:04:025
356790999375374,1cyclictest3577637-21kworker/5:010:04:025
356790999375374,1cyclictest3577637-21kworker/5:009:56:025
356790999375374,1cyclictest3577637-21kworker/5:009:44:025
356790999375374,1cyclictest3577637-21kworker/5:009:33:025
356790999375374,1cyclictest0-21swapper/510:57:025
356790999375374,1cyclictest0-21swapper/509:49:025
356790999375374,1cyclictest0-21swapper/509:29:025
356790999375374,1cyclictest0-21swapper/508:48:025
356790999375374,1cyclictest0-21swapper/507:49:025
356790999375374,1cyclictest0-21swapper/507:42:025
356790999375373,1cyclictest3577637-21kworker/5:010:22:025
356790999375373,1cyclictest3577637-21kworker/5:007:58:025
356790999375373,1cyclictest0-21swapper/512:18:025
356790999375373,1cyclictest0-21swapper/509:36:025
356790999374373,1cyclictest3577637-21kworker/5:011:18:025
356790999374373,1cyclictest3577637-21kworker/5:010:54:025
356790999374373,1cyclictest3577637-21kworker/5:010:43:025
356790999374373,1cyclictest3577637-21kworker/5:009:13:025
356790999374373,1cyclictest3577637-21kworker/5:009:01:025
356790999374373,1cyclictest3577637-21kworker/5:008:12:025
356790999374373,1cyclictest0-21swapper/512:09:025
356790999374373,1cyclictest0-21swapper/511:43:025
356790999374373,1cyclictest0-21swapper/509:22:025
356790999374373,1cyclictest0-21swapper/509:06:025
356790999374373,1cyclictest0-21swapper/508:04:025
356790999374372,1cyclictest3577637-21kworker/5:009:52:025
356790999374372,1cyclictest3577637-21kworker/5:008:37:025
356790999374372,1cyclictest3577637-21kworker/5:008:37:025
356790999373372,1cyclictest3577637-21kworker/5:012:29:025
356790999373372,1cyclictest3577637-21kworker/5:008:31:025
356790999373372,1cyclictest0-21swapper/512:21:025
356790999373372,1cyclictest0-21swapper/510:09:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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