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2026-08-28 - 05:39
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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 28, 2026 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62521440,0sleep1624-21sshd23:44:181
2580321390,0sleep025804-21sshd21:46:470
2447221360,0sleep124473-21sshd21:21:191
2361521350,0sleep223614-21bash23:49:132
1631921250,1sleep30-21swapper/323:39:433
1631921250,1sleep30-21swapper/323:39:433
2000321170,1sleep10-21swapper/122:59:101
4012210433,43sleep10-21swapper/119:06:411
3018321040,1sleep00-21swapper/021:21:500
2697621010,1sleep026954-21sshd21:27:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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