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2026-06-17 - 18:20
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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 Wed Jun 17, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3098421200,4sleep11032599cyclictest12:08:001
1622121200,0sleep216211-21sshd11:51:492
3119521180,2sleep231194-21cut10:55:152
268221180,3sleep32677-21rm12:26:363
1419221150,1sleep014191-21sshd11:29:310
1797421140,4sleep11032599cyclictest11:29:561
9859210632,45sleep30-21swapper/307:07:333
2208521060,0sleep00-21swapper/011:49:020
61312900,1sleep02024-21nfsd12:19:370
228072900,3sleep20-21swapper/209:32:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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