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2026-04-24 - 20:50
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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 Apr 24, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377390399379378,1cyclictest3834839-21kworker/7:111:50:027
377390399379378,1cyclictest3834839-21kworker/7:109:04:017
377390399379378,1cyclictest0-21swapper/711:15:017
377390399378377,1cyclictest3834839-21kworker/7:111:40:027
377390399377376,1cyclictest3834839-21kworker/7:112:28:027
377390399377376,1cyclictest3834839-21kworker/7:109:27:027
377390399377376,1cyclictest3834839-21kworker/7:108:55:027
377390399377376,1cyclictest3778196-21kworker/7:007:50:027
377390399377376,1cyclictest3778196-21kworker/7:007:30:027
377390399377376,1cyclictest0-21swapper/710:25:027
377390399377376,1cyclictest0-21swapper/708:35:027
377390399377375,1cyclictest0-21swapper/708:50:027
377390399377375,1cyclictest0-21swapper/708:05:027
377390399376375,1cyclictest3834839-21kworker/7:112:05:017
377390399376375,1cyclictest3834839-21kworker/7:111:00:027
377390399376375,1cyclictest3834839-21kworker/7:111:00:027
377390399376375,1cyclictest3834839-21kworker/7:110:59:017
377390399376375,1cyclictest0-21swapper/712:20:027
377390399376375,1cyclictest0-21swapper/710:33:017
377390399376375,1cyclictest0-21swapper/709:09:017
377390399376375,1cyclictest0-21swapper/708:27:027
377390399376374,1cyclictest0-21swapper/707:22:017
377390399375374,1cyclictest3834839-21kworker/7:109:45:027
377390399375374,1cyclictest3778196-21kworker/7:007:36:027
377390399375374,1cyclictest0-21swapper/707:29:017
377390399375373,1cyclictest0-21swapper/708:21:027
377390399375373,1cyclictest0-21swapper/708:12:027
377390399375373,1cyclictest0-21swapper/708:03:027
377390399374373,1cyclictest3834839-21kworker/7:110:09:017
377390399374373,1cyclictest3834839-21kworker/7:109:13:027
377390399374373,1cyclictest3778196-21kworker/7:008:45:027
377390399374373,1cyclictest0-21swapper/712:03:017
377390399374373,1cyclictest0-21swapper/710:47:027
377390399374372,1cyclictest3834839-21kworker/7:111:39:027
377390399374372,1cyclictest0-21swapper/712:17:027
377390399374372,1cyclictest0-21swapper/710:53:017
377390399374372,1cyclictest0-21swapper/707:19:027
377390399373372,1cyclictest3834839-21kworker/7:110:12:027
377390399373372,1cyclictest3834839-21kworker/7:109:24:027
377390399373372,1cyclictest0-21swapper/711:56:027
377390399373372,1cyclictest0-21swapper/711:09:027
377390399373372,1cyclictest0-21swapper/710:24:027
377390399373372,1cyclictest0-21swapper/709:59:027
377390399373372,1cyclictest0-21swapper/707:48:027
377390399373371,1cyclictest3834839-21kworker/7:111:26:027
377390399373371,1cyclictest0-21swapper/712:14:017
377390399373371,1cyclictest0-21swapper/710:16:027
377390399373371,1cyclictest0-21swapper/709:16:027
377390399372371,1cyclictest0-21swapper/709:32:027
377390399372371,1cyclictest0-21swapper/708:44:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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