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2026-03-14 - 10:37
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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 10 highest latencies:
System rack7slot2.osadl.org (updated Sat Mar 14, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86922999486,6cyclictest182100-21kworker/u4:4+events_unbound22:35:331
86920999280,5cyclictest53-21kswapd023:05:090
86922998679,5cyclictest185925-21kworker/u4:10+events_unbound22:26:541
86922998675,9cyclictest53-21kswapd000:05:011
86922998647,4cyclictest0-21swapper/121:40:111
86920998577,6cyclictest53-21kswapd023:20:010
86920998569,14cyclictest230356-21kworker/u4:9+events_unbound23:27:110
86922998158,7cyclictest221486-21kworker/u4:5+events_unbound23:40:001
86920998173,6cyclictest173141-21kworker/u4:5+events_unbound22:16:520
86920998072,5cyclictest230356-21kworker/u4:9+events_unbound23:37:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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