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2026-03-20 - 05:58
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot1.osadl.org (updated Thu Mar 19, 2026 20:41:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350521100,3sleep30-21swapper/319:51:503
1145921040,3sleep30-21swapper/320:11:563
2099321010,5sleep20-21swapper/219:12:072
2099321010,5sleep20-21swapper/219:12:072
2454821000,2sleep10-21swapper/119:21:541
2454821000,2sleep10-21swapper/119:21:541
245462970,1sleep012-21ksoftirqd/019:21:530
245462970,1sleep012-21ksoftirqd/019:21:530
95622950,2sleep30-21swapper/320:06:533
95622950,2sleep30-21swapper/320:06:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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