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2026-08-07 - 11:25
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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 Aug 07, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2277321340,0sleep00-21swapper/023:35:150
1071421340,1sleep010711-21bash23:25:210
2206221240,4sleep11992499cyclictest21:16:371
297321210,3sleep01992099cyclictest22:22:210
240821210,2sleep12389-21sshd23:57:001
1859221190,4sleep11992499cyclictest22:29:441
3108521170,2sleep20-21swapper/222:09:522
1725621160,0sleep017240-21sshd22:26:260
19591210132,41sleep30-21swapper/319:08:593
249932960,2sleep00-21swapper/000:08:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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