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2026-06-03 - 02:56
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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 Wed Jun 03, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2374821520,1sleep023745-21sshd23:55:560
1764721500,0sleep017646-21sshd22:21:590
2090921400,0sleep120908-21bash21:11:541
1967421310,4sleep21706199cyclictest21:32:192
2344621090,0sleep00-21swapper/019:30:090
1974721080,3sleep11705599cyclictest20:35:221
1359621080,1sleep213595-21sshd22:36:402
1681329733,43sleep30-21swapper/319:09:343
1660229632,44sleep10-21swapper/119:06:551
271252860,2sleep12024-21nfsd23:33:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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