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2026-05-05 - 22:24
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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 Tue May 05, 2026 12:46:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350231099382379,2cyclictest3563279-21kworker/3:209:03:023
350231099381378,2cyclictest3563279-21kworker/3:209:09:023
350231099380377,2cyclictest3563279-21kworker/3:211:25:033
350231099379377,1cyclictest3563279-21kworker/3:209:55:023
350231099378376,1cyclictest3563279-21kworker/3:212:21:033
350231099378376,1cyclictest3563279-21kworker/3:211:05:023
350231099377376,1cyclictest3780850-21kworker/3:108:32:033
350231099377374,2cyclictest3780850-21kworker/3:108:41:023
350231099376375,1cyclictest3780850-21kworker/3:108:25:023
350231099376374,1cyclictest3563279-21kworker/3:212:05:033
350231099375373,1cyclictest3563279-21kworker/3:212:03:033
350231099374372,1cyclictest3780850-21kworker/3:107:37:033
350231099374372,1cyclictest3563279-21kworker/3:208:59:023
350231099373372,1cyclictest3563279-21kworker/3:210:51:023
350231099372371,1cyclictest3563279-21kworker/3:210:55:033
350231099372370,1cyclictest3563279-21kworker/3:210:30:023
350231099372370,1cyclictest3563279-21kworker/3:210:28:033
350231099372370,1cyclictest3563279-21kworker/3:209:48:033
350231099372370,1cyclictest3563279-21kworker/3:209:21:023
350231099372369,2cyclictest0-21swapper/311:03:033
350231099372369,2cyclictest0-21swapper/311:03:023
350231099371370,1cyclictest3780850-21kworker/3:108:39:033
350231099371370,1cyclictest3563279-21kworker/3:212:35:023
350231099371370,1cyclictest3563279-21kworker/3:209:29:023
350231099370368,1cyclictest3563279-21kworker/3:211:41:033
350231099370368,1cyclictest3563279-21kworker/3:210:49:023
350231099370368,1cyclictest3563279-21kworker/3:209:13:023
350231099368367,1cyclictest0-21swapper/312:31:023
350231099368367,1cyclictest0-21swapper/312:31:023
350231099368367,1cyclictest0-21swapper/307:28:033
350231099368366,1cyclictest0-21swapper/309:39:023
350231099367365,1cyclictest0-21swapper/307:59:023
350231099364363,1cyclictest3563279-21kworker/3:210:40:023
350231099364363,1cyclictest0-21swapper/308:03:033
350231099363362,1cyclictest0-21swapper/309:31:023
350231099361360,1cyclictest3780850-21kworker/3:107:30:033
350231099361359,1cyclictest3780850-21kworker/3:107:22:033
350231099360359,1cyclictest3563279-21kworker/3:211:22:033
350231099360359,1cyclictest3563279-21kworker/3:208:54:033
350231099360358,1cyclictest3563279-21kworker/3:211:45:033
350231099359358,1cyclictest3780850-21kworker/3:108:16:033
350231099359358,1cyclictest3780850-21kworker/3:108:16:033
350231099359357,1cyclictest3563279-21kworker/3:210:24:023
350231099358357,1cyclictest3780850-21kworker/3:108:48:023
350231099358357,1cyclictest3563279-21kworker/3:212:16:033
350231099358357,1cyclictest3563279-21kworker/3:210:38:023
350231099358357,1cyclictest0-21swapper/312:28:033
350231099358356,2cyclictest3563279-21kworker/3:212:12:033
350231099358356,1cyclictest3563279-21kworker/3:209:16:023
350231099357356,1cyclictest3563279-21kworker/3:211:17:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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