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2026-08-03 - 06:12
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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 Aug 03, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
742921310,2sleep27420-21sshd23:36:182
2230921230,2sleep322304-21sshd22:59:393
1537421230,2sleep215373-21sshd22:18:352
151321230,1sleep12151799cyclictest00:01:541
2396721210,2sleep30-21swapper/321:42:013
1161821210,2sleep12151799cyclictest22:32:411
302921200,1sleep30-21swapper/300:19:363
89882950,2sleep38987-21bash22:26:333
2111229232,48sleep30-21swapper/319:08:093
42642880,5sleep10-21swapper/123:36:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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