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2026-08-13 - 19:06
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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 Aug 13, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
448021330,0sleep14479-21bash12:35:271
2251321240,4sleep11254899cyclictest12:16:421
77121230,3sleep3756-21sshd10:10:053
86221210,1sleep2688-21sshd09:35:492
2428421200,3sleep30-21swapper/311:07:273
194621120,1sleep10-21swapper/111:14:121
1362921050,0sleep00-21swapper/012:33:290
12269210233,40sleep10-21swapper/107:09:481
126992980,2sleep212694-21sshd11:00:262
126992980,2sleep212694-21sshd11:00:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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