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2026-07-31 - 04:33
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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 Fri Jul 31, 2026 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2627321530,0sleep026260-21sshd23:34:410
2622521380,2sleep10-21swapper/123:02:201
614821340,4sleep3775899cyclictest23:20:573
2678921300,1sleep126785-21bash23:55:191
1673921180,2sleep116737-21sshd22:20:441
1289421050,2sleep112882-21sshd21:29:011
720629827,41sleep10-21swapper/119:06:221
289792960,2sleep30-21swapper/323:08:353
9492950,3sleep2775799cyclictest21:58:532
57592920,2sleep30-21swapper/322:51:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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