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2026-05-07 - 21:11
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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 Thu May 07, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98282950,1sleep665-21ksoftirqd/611:30:096
239932570,2sleep423994-21nfsd407:04:434
3182560,0sleep60-21swapper/611:25:526
104482540,0sleep10-21swapper/112:12:321
287982510,0sleep40-21swapper/411:23:504
99102490,0sleep6631rcuc/610:31:306
123172490,0sleep50-21swapper/511:09:335
301672480,1sleep730164-21bash10:09:527
2485224824,8sleep70-21swapper/707:06:157
110212480,0sleep30-21swapper/311:30:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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