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2026-09-17 - 06:39
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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 Sep 16, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155084099381379,1cyclictest1842091-21kworker/4:209:24:014
155084099381379,1cyclictest1842091-21kworker/4:209:06:024
155084099381379,1cyclictest1842091-21kworker/4:208:57:024
155084099380379,1cyclictest1842091-21kworker/4:208:46:024
155084099380379,1cyclictest1684003-21kworker/4:011:32:024
155084099380379,1cyclictest1638902-21kworker/4:109:48:024
155084099380378,1cyclictest1842091-21kworker/4:208:32:024
155084099379378,1cyclictest1842091-21kworker/4:207:56:024
155084099379377,1cyclictest1842091-21kworker/4:208:51:014
155085599378377,1cyclictest0-21swapper/607:31:026
155085599378376,1cyclictest0-21swapper/607:20:016
155084099378377,1cyclictest1684003-21kworker/4:011:17:024
155085599377376,1cyclictest0-21swapper/610:15:026
155085599377375,1cyclictest1647912-21kworker/6:110:06:026
155085599377375,1cyclictest0-21swapper/612:22:026
155085599377375,1cyclictest0-21swapper/612:22:026
155085599377375,1cyclictest0-21swapper/609:56:026
155085599376375,1cyclictest0-21swapper/612:33:026
155085599376375,1cyclictest0-21swapper/611:59:016
155085599376375,1cyclictest0-21swapper/610:52:026
155085599376375,1cyclictest0-21swapper/609:30:026
155085599376375,1cyclictest0-21swapper/608:40:016
155085599375374,1cyclictest1512377-21kworker/6:009:20:026
155085599375374,1cyclictest0-21swapper/611:21:026
155085599375374,1cyclictest0-21swapper/611:07:026
155085599375374,1cyclictest0-21swapper/610:23:016
155085599375374,1cyclictest0-21swapper/609:39:026
155085599375374,1cyclictest0-21swapper/609:01:026
155085599375374,1cyclictest0-21swapper/608:18:026
155085599375373,1cyclictest0-21swapper/612:14:026
155085599375373,1cyclictest0-21swapper/608:36:016
155085599374373,1cyclictest0-21swapper/611:47:016
155085599374373,1cyclictest0-21swapper/610:57:026
155085599374373,1cyclictest0-21swapper/610:57:026
155085599374373,1cyclictest0-21swapper/609:42:016
155085599374373,1cyclictest0-21swapper/609:19:016
155085599374373,1cyclictest0-21swapper/608:07:016
155085599374373,1cyclictest0-21swapper/607:41:026
155085599374373,1cyclictest0-21swapper/607:28:016
155085599374372,1cyclictest0-21swapper/611:34:016
155085599374372,1cyclictest0-21swapper/609:09:026
155085599374372,1cyclictest0-21swapper/608:47:016
155085599373372,1cyclictest0-21swapper/612:29:026
155085599373372,1cyclictest0-21swapper/611:36:016
155085599373372,1cyclictest0-21swapper/611:14:026
155085599373372,1cyclictest0-21swapper/610:39:016
155085599373372,1cyclictest0-21swapper/610:13:026
155085599373372,1cyclictest0-21swapper/610:02:026
155085599373372,1cyclictest0-21swapper/607:11:026
155085599373371,1cyclictest1680999-21kworker/6:211:00:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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