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2024-09-08 - 19:28
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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 rackaslot0.osadl.org (updated Sun Sep 08, 2024 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115682930,1sleep011566-21bash12:03:020
293952870,1sleep129396-21sshd09:54:031
2071526123,34sleep30-21swapper/307:07:523
76192600,1sleep113827-21diskmemload09:49:111
48892600,1sleep14862-21sshd11:16:361
46032590,1sleep04578-21sshd11:22:000
78062550,5sleep121-21ksoftirqd/109:34:361
2086925532,9sleep00-21swapper/007:09:460
190042550,1sleep018993-21sshd10:34:050
51052530,1sleep00-21swapper/010:38:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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