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2026-03-26 - 03:35
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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 Thu Mar 26, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
586221230,0sleep25861-21sshd23:00:332
3026921190,4sleep22235499cyclictest23:54:022
21771210937,43sleep10-21swapper/119:06:081
21901210434,40sleep30-21swapper/319:07:473
92742950,2sleep00-21swapper/023:48:070
91722910,5sleep03-21ksoftirqd/021:58:000
8772910,2sleep32512-21runrttasks20:45:103
64182870,4sleep20-21swapper/222:32:362
273992870,2sleep227395-21sshd22:10:122
27572850,2sleep22756-21sshd00:01:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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