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2026-08-05 - 09:15
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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 Tue Aug 04, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
589921270,2sleep02283199cyclictest12:37:340
2046921120,2sleep10-21swapper/111:46:011
2255529732,45sleep10-21swapper/107:09:251
248822960,1sleep20-21swapper/212:27:272
290352930,2sleep30-21swapper/310:06:233
55832920,2sleep30-21swapper/312:28:473
274332920,2sleep227426-21bash10:23:352
59802880,0sleep25978-21sshd09:41:502
37622880,2sleep03759-21sshd11:26:470
219892870,2sleep121968-21sshd10:03:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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