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2024-11-22 - 10:21
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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 22, 2024 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2325121440,142sleep126950irq/26-ahci[00021:56:031
1475421310,4sleep22963399cyclictest21:52:162
1950621280,2sleep319501-21sshd22:10:523
1408121230,2sleep20-21swapper/223:00:412
2436721160,2sleep31848-21nfsd23:14:393
29254211033,43sleep30-21swapper/319:08:323
1218921000,3sleep01959-21sshd22:57:220
261002930,1sleep00-21swapper/022:33:090
245842900,2sleep10-21swapper/121:28:451
205382890,3sleep22963399cyclictest22:48:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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