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2026-05-10 - 17:16
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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 Sun May 10, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
614521300,3sleep02025299cyclictest09:54:030
1907821300,0sleep319077-21sshd09:24:353
296672940,1sleep20-21swapper/210:50:062
23202890,2sleep22314-21bash10:19:002
298612870,1sleep029860-21sshd09:39:310
127742870,2sleep10-21swapper/112:29:401
257402860,1sleep20-21swapper/209:42:262
119182850,1sleep10-21swapper/108:00:191
35392840,2sleep33532-21sshd11:37:323
327102830,2sleep20-21swapper/212:20:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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