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2026-03-25 - 04:25
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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 rack3slot0.osadl.org (updated Wed Mar 25, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94669914135,56cyclictest434-21bash22:55:100
9466991330,92cyclictest0-21swapper/021:47:010
9500997675,1cyclictest1115-21nfsd21:46:594
9516996634,31cyclictest463-21sshd22:55:106
9516996632,34cyclictest0-21swapper/621:47:006
7662650,0sleep50-21swapper/521:55:005
9508996021,39cyclictest0-21swapper/521:47:005
286342590,1sleep028620-21sshd00:21:350
220082560,0sleep30-21swapper/321:58:023
54402550,1sleep55368-21sshd22:10:135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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