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2026-08-30 - 08:12
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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 Sun Aug 30, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1545221400,5sleep22034599cyclictest23:48:152
2823321390,3sleep10-21swapper/121:31:321
1363721320,4sleep12034499cyclictest21:44:421
93421240,4sleep22034599cyclictest21:35:092
2103321190,4sleep22034599cyclictest21:53:492
19734210933,47sleep30-21swapper/319:05:443
1035721070,3sleep02034399cyclictest22:58:470
2193321020,2sleep30-21swapper/321:53:543
287482980,8sleep03-21ksoftirqd/022:11:340
1988129333,48sleep10-21swapper/119:07:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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