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2026-03-20 - 21:59
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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 Fri Mar 20, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
371132999382380,1cyclictest3835441-21kworker/7:112:30:027
371132999381379,1cyclictest981027-21kworker/7:007:55:027
371132999381379,1cyclictest3835441-21kworker/7:112:01:027
3711329993810,380cyclictest0-21swapper/710:33:027
3711329993810,380cyclictest0-21swapper/710:22:027
3711329993810,380cyclictest0-21swapper/708:52:027
3711329993810,380cyclictest0-21swapper/707:31:027
3711316993810,380cyclictest4010045-21kworker/5:207:15:025
371132999380379,1cyclictest0-21swapper/708:16:027
371132999380378,1cyclictest3835441-21kworker/7:110:44:027
371132999380378,1cyclictest3808374-21kworker/7:210:10:027
371132999380378,1cyclictest3778285-21kworker/7:109:15:027
371132999380378,1cyclictest0-21swapper/711:28:027
371132999380378,1cyclictest0-21swapper/710:26:027
371132999380378,1cyclictest0-21swapper/707:48:027
3711329993800,379cyclictest0-21swapper/712:22:027
3711329993800,379cyclictest0-21swapper/712:22:027
3711329993800,379cyclictest0-21swapper/711:55:027
3711329993800,379cyclictest0-21swapper/711:48:027
3711329993800,379cyclictest0-21swapper/710:59:027
3711329993800,379cyclictest0-21swapper/709:41:027
3711329993800,379cyclictest0-21swapper/707:25:027
3711329993800,1cyclictest0-21swapper/710:05:027
371132999379378,1cyclictest0-21swapper/711:41:027
371132999379378,1cyclictest0-21swapper/710:02:017
371132999379378,1cyclictest0-21swapper/709:48:027
371132999379377,1cyclictest3778285-21kworker/7:109:04:027
3711329993790,379cyclictest0-21swapper/709:39:027
3711329993790,379cyclictest0-21swapper/709:39:027
3711329993790,378cyclictest0-21swapper/708:20:027
371132999378377,1cyclictest0-21swapper/707:53:027
371132999378376,1cyclictest981027-21kworker/7:008:47:027
371132999378376,1cyclictest3808374-21kworker/7:209:54:017
371132999377376,1cyclictest3835441-21kworker/7:111:35:027
371132999377376,1cyclictest3835441-21kworker/7:111:05:027
371132999377375,1cyclictest981027-21kworker/7:008:03:027
371132999377375,1cyclictest3835441-21kworker/7:112:39:027
371132999377375,1cyclictest3835441-21kworker/7:112:07:027
371132999377375,1cyclictest3778285-21kworker/7:109:11:027
371132999377375,1cyclictest3778285-21kworker/7:109:07:027
371132999376374,1cyclictest981027-21kworker/7:007:17:027
371132999376374,1cyclictest3835441-21kworker/7:112:19:027
371132999376374,1cyclictest3835441-21kworker/7:111:31:027
371132999376374,1cyclictest3778285-21kworker/7:109:28:027
371132999375374,1cyclictest981027-21kworker/7:007:36:027
371132999375374,1cyclictest3835441-21kworker/7:110:38:027
371132999374373,1cyclictest3808374-21kworker/7:209:59:027
371132999374372,1cyclictest981027-21kworker/7:008:07:027
371132999374372,1cyclictest981027-21kworker/7:008:07:027
371131699374372,1cyclictest4010045-21kworker/5:207:43:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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