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2026-04-11 - 15:40
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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 Sat Apr 11, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321081499377376,1cyclictest0-21swapper/110:55:021
321081499377376,1cyclictest0-21swapper/110:13:021
321081499376375,1cyclictest0-21swapper/111:15:021
321081499376375,1cyclictest0-21swapper/109:45:011
321081499376374,1cyclictest0-21swapper/111:25:011
321081499376374,1cyclictest0-21swapper/109:40:011
321081499375374,1cyclictest0-21swapper/112:10:031
321081499375374,1cyclictest0-21swapper/107:50:011
321081499375374,1cyclictest0-21swapper/107:50:011
321081499374373,1cyclictest0-21swapper/110:01:011
321081499374373,1cyclictest0-21swapper/109:30:011
321081499373372,1cyclictest0-21swapper/109:00:011
321081499373372,1cyclictest0-21swapper/108:40:021
321081499372371,1cyclictest3229683-21kworker/1:107:55:011
321081499372371,1cyclictest0-21swapper/107:10:021
321081499372370,1cyclictest0-21swapper/110:21:011
321081499371370,1cyclictest3213754-21kworker/1:209:05:011
321081499371370,1cyclictest0-21swapper/111:11:021
321081499371370,1cyclictest0-21swapper/110:08:011
321081499371370,1cyclictest0-21swapper/107:35:021
321081499371369,1cyclictest0-21swapper/109:37:011
321081499370369,1cyclictest0-21swapper/112:36:031
321081499370369,1cyclictest0-21swapper/110:37:021
321081499370369,1cyclictest0-21swapper/108:33:021
321081499370369,1cyclictest0-21swapper/108:01:011
321081499370369,1cyclictest0-21swapper/107:15:021
321081499370368,1cyclictest0-21swapper/109:54:021
321081499370368,1cyclictest0-21swapper/108:46:021
321081499370368,1cyclictest0-21swapper/107:47:011
321081499370367,2cyclictest0-21swapper/110:51:021
321081499369368,1cyclictest3334990-21kworker/1:212:25:021
321081499369368,1cyclictest3213754-21kworker/1:209:13:011
321081499369368,1cyclictest3213754-21kworker/1:208:18:021
321081499369368,1cyclictest0-21swapper/112:23:021
321081499369368,1cyclictest0-21swapper/112:08:021
321081499369368,1cyclictest0-21swapper/111:56:011
321081499369368,1cyclictest0-21swapper/111:07:021
321081499369368,1cyclictest0-21swapper/111:02:021
321081499369368,1cyclictest0-21swapper/110:43:011
321081499369368,1cyclictest0-21swapper/110:43:011
321081499369368,1cyclictest0-21swapper/108:51:021
321081499369367,1cyclictest3334990-21kworker/1:211:30:011
321081499369367,1cyclictest3334990-21kworker/1:210:45:021
321081499369367,1cyclictest3295864-21kworker/1:109:58:021
321081499368367,1cyclictest0-21swapper/112:04:021
321081499368367,1cyclictest0-21swapper/111:54:011
321081499368367,1cyclictest0-21swapper/111:48:011
321081499368367,1cyclictest0-21swapper/110:17:021
321081499368366,1cyclictest3334990-21kworker/1:211:23:021
321081499367366,1cyclictest3334990-21kworker/1:211:44:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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