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2026-08-12 - 18:31
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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 Aug 12, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2462521320,0sleep00-21swapper/010:28:190
1189121250,1sleep344-21ksoftirqd/310:15:223
2913921100,0sleep00-21swapper/011:29:530
23800210433,42sleep30-21swapper/307:07:393
3000221010,2sleep229998-21sshd10:45:392
2386729632,43sleep10-21swapper/107:08:291
297532950,1sleep30-21swapper/310:08:333
263182920,2sleep10-21swapper/109:59:491
146392920,0sleep00-21swapper/010:12:510
293012900,1sleep029300-21bash10:22:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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