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2026-09-15 - 12:57
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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 Tue Sep 15, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2732121600,2sleep327320-21bash23:17:503
2593121350,4sleep1804899cyclictest00:19:201
3107521310,0sleep331062-21sshd23:41:223
587821300,0sleep00-21swapper/022:37:300
2663321270,2sleep126630-21sshd00:25:131
2953221110,2sleep10-21swapper/121:52:541
7707210832,47sleep10-21swapper/119:08:481
985321040,1sleep30-21swapper/300:03:143
1775321000,1sleep00-21swapper/022:06:080
764029533,50sleep30-21swapper/319:07:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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