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2026-06-22 - 08:36
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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 rack3slot0.osadl.org (updated Mon Jun 22, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
334221090,2sleep01791199cyclictest00:17:550
170702770,0sleep60-21swapper/623:54:076
170542550,1sleep617052-21sshd00:35:396
233122510,0sleep70-21swapper/722:16:287
32832500,0sleep30-21swapper/300:32:563
97022490,0sleep10-21swapper/121:26:321
207622490,1sleep720763-21grep23:50:397
45642480,0sleep40-21swapper/423:21:214
141802480,0sleep60-21swapper/621:41:596
100252480,0sleep10-21swapper/123:55:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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