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2025-09-13 - 05:46
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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 rackaslot0.osadl.org (updated Sat Sep 13, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47452980,0sleep00-21swapper/022:57:500
183052970,1sleep118300-21bash21:25:491
131752920,1sleep113176-21sshd23:09:331
70022910,0sleep17003-21bash21:43:241
64922860,1sleep38-21rcu_preempt23:27:463
297102830,0sleep229707-21sshd22:06:242
74432790,0sleep37439-21rm23:33:103
135922640,1sleep313586-21sshd21:54:313
2651826227,18sleep30-21swapper/319:06:253
125792620,1sleep10-21swapper/123:22:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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