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2026-03-30 - 07:44
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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 Mon Mar 30, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3101021160,3sleep31108999cyclictest21:30:493
1271921160,3sleep11108799cyclictest00:15:501
2144221130,3sleep21108899cyclictest22:48:592
573421110,3sleep11108799cyclictest00:25:481
1057229333,48sleep30-21swapper/319:06:463
74512920,2sleep27450-21bash21:57:212
244892920,0sleep00-21swapper/022:35:030
140662890,1sleep20-21swapper/221:39:592
172692880,1sleep00-21swapper/023:33:010
254292870,0sleep00-21swapper/022:17:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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