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2025-11-29 - 09:04
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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 Fri Nov 28, 2025 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3241821380,2sleep12092599cyclictest12:00:571
2393221360,0sleep223925-21sshd09:31:162
436621320,0sleep04365-21bash11:48:090
402521290,2sleep30-21swapper/312:14:343
1696921170,1sleep10-21swapper/110:17:441
1632321080,1sleep216322-21sshd10:07:392
19080210433,39sleep30-21swapper/307:05:173
824321010,1sleep18240-21sshd12:32:001
263352940,2sleep226331-21ps12:00:232
193822940,3sleep02092499cyclictest10:38:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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