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2026-05-26 - 06:36
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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 May 26, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1658421300,4sleep12816999cyclictest22:46:211
826021190,1sleep18207-21sshd22:00:131
222821150,1sleep22225-21rm22:23:592
1790421140,2sleep12816999cyclictest22:50:021
1790421140,2sleep12816999cyclictest22:50:021
27719210833,46sleep30-21swapper/319:07:343
2766129734,51sleep10-21swapper/119:07:011
290872860,2sleep20-21swapper/223:50:072
137342850,2sleep213733-21sshd23:15:242
202392840,0sleep00-21swapper/021:34:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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