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2026-03-27 - 10:41
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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 Mar 27, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1940621200,2sleep219375-21munin-run22:00:002
8015210633,44sleep10-21swapper/119:07:471
802729138,48sleep30-21swapper/319:07:583
24972880,2sleep12499-21id21:25:411
176782870,2sleep117680-21bash22:42:391
32992860,1sleep10-21swapper/121:41:351
66692850,2sleep20-21swapper/223:54:402
240692850,2sleep30-21swapper/323:52:453
66702840,2sleep26668-21sshd21:54:222
149332830,1sleep30-21swapper/321:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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