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2024-04-23 - 15:47
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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 Apr 23, 2024 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1846121340,0sleep118462-21bash12:11:211
2748121300,1sleep00-21swapper/012:08:390
215621230,2sleep20-21swapper/209:56:522
203621220,4sleep31472599cyclictest12:36:363
128921140,2sleep31270-21sshd10:20:183
14300211341,42sleep30-21swapper/307:06:533
2613421120,1sleep20-21swapper/209:32:202
195912910,1sleep10-21swapper/111:28:291
210342900,2sleep221033-21sshd12:23:212
5172890,3sleep21472199cyclictest12:13:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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