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2026-04-16 - 03:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack5slot0.osadl.org (updated Thu Apr 16, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2297421450,0sleep222963-21sshd23:02:472
284121280,1sleep32185299cyclictest00:27:323
838621240,2sleep12185099cyclictest22:25:121
233921140,2sleep30-21swapper/323:50:533
2152629133,47sleep10-21swapper/119:09:201
296892840,7sleep20-21swapper/222:52:492
2142528433,47sleep30-21swapper/319:08:053
51012830,2sleep25096-21sshd21:26:302
320922820,3sleep20-21swapper/221:19:052
238232820,2sleep223820-21bash22:27:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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