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2026-03-30 - 02:18
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack3slot7.osadl.org (updated Mon Mar 30, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149940490watchdog/024575-21kworker/0:218:58:000
305279815513cyclictest30523-21munin-node22:38:100
305279815015cyclictest11159-21nfs_client19:43:280
305279815013cyclictest9527-21aten2.4-expect23:08:260
305279814713cyclictest3019-21runrttasks22:57:300
305279814712cyclictest10855-21grep21:28:160
305279814613cyclictest21985-21nfs_client20:18:270
305279814513cyclictest21931-21nfs_client23:48:290
305279814513cyclictest18867-21nfs_client20:08:280
305279814512cyclictest7621-21munin-node19:33:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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