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2025-12-02 - 20:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Tue Dec 02, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2879798286278,5cyclictest3750-21kworker/u8:2011:16:573
2798522740,2sleep10-21swapper/107:05:331
2789522660,2sleep326626-21kworker/u8:3207:05:273
2878898255242,9cyclictest10-21ksoftirqd/011:16:580
2787922530,3sleep226626-21kworker/u8:3207:05:262
2879598186179,4cyclictest3752-21kworker/u8:2211:16:572
92172820,2sleep39216-21ssh11:24:503
246442770,2chrt0-21swapper/108:25:011
55212600,14sleep330259-21kworker/u8:1012:24:463
28797986053,4cyclictest14694-21kworker/u8:4608:02:243
324232470,3sleep330260-21kworker/u8:1112:11:033
324232470,3sleep330260-21kworker/u8:1112:11:033
2879398475,9cyclictest19-21ksoftirqd/108:50:151
207342450,6sleep320505-21latency_hist08:15:023
174232450,2sleep20-21swapper/209:25:412
28797984235,4cyclictest4762-21kworker/u8:2709:01:473
218472420,5sleep126104-21kworker/1:109:35:291
2879398419,6cyclictest19-21ksoftirqd/111:15:011
2879798401,3cyclictest121rcu_preempt12:15:153
131722400,2sleep10-21swapper/112:40:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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