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2026-04-21 - 15:41
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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 Tue Apr 21, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2684791998778,5cyclictest2802093-21kworker/u4:13+events_unbound11:00:010
2684791998577,6cyclictest2792590-21kworker/u4:10+events_unbound11:05:020
268479199844,49cyclictest2795201-21apt-get10:40:130
2684791998263,15cyclictest2877426-21ssh12:15:110
2684791998245,31cyclictest53-21kswapd010:25:080
2684791998070,7cyclictest2892529-21kworker/u4:0+events_unbound12:40:000
2684793997769,6cyclictest2722881-21kworker/u4:8+events_unbound09:29:481
2684791997770,5cyclictest2784361-21kworker/u4:0+events_unbound10:34:580
2684793997366,4cyclictest2735708-21kworker/u4:2+events_unbound09:35:011
2684793997366,4cyclictest2735708-21kworker/u4:2+events_unbound09:35:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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