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2026-03-31 - 05:52
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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 Mar 31, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1134821320,4sleep21357299cyclictest21:44:522
826321120,4sleep31357399cyclictest22:57:143
2290621090,2sleep31357399cyclictest21:27:103
315421010,1sleep10-21swapper/123:50:211
30472960,1sleep00-21swapper/023:01:160
1320829132,55sleep10-21swapper/119:08:421
244082900,3sleep30-21swapper/322:25:243
183752900,2sleep218374-21sshd22:53:562
273572890,1sleep227356-21bash23:05:072
37782880,5sleep01357099cyclictest22:27:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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