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2026-07-16 - 17:16
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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 Thu Jul 16, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
984521380,0sleep39843-21sshd10:44:283
1874221220,1sleep20-21swapper/209:17:232
618821170,0sleep00-21swapper/007:40:130
177202980,2sleep10-21swapper/112:20:171
2373529532,50sleep10-21swapper/107:07:181
185022930,6sleep10-21swapper/110:24:311
107332890,0sleep00-21swapper/009:58:410
240562870,5sleep02421399cyclictest10:45:540
103862870,2sleep22024-21nfsd10:47:592
240902850,2sleep324089-21bash10:00:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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