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2026-07-13 - 14:04
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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 Mon Jul 13, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1475021300,1sleep038499cyclictest22:34:240
15592940,2sleep30-21swapper/300:15:413
113142940,1sleep011310-21sshd22:19:010
113142940,1sleep011310-21sshd22:19:000
93392930,2sleep12512-21runrttasks22:48:471
203392920,2sleep30-21swapper/300:10:323
253112910,2sleep20-21swapper/221:17:082
14932900,2sleep32023-21nfsd22:10:553
211742870,2sleep30-21swapper/300:06:473
3248028432,48sleep10-21swapper/119:08:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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