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2025-05-09 - 05:35
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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 rack2slot0.osadl.org (updated Fri May 09, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1812921020,0sleep018128-21bash23:33:250
138742930,1sleep113871-21sshd22:15:431
314992800,1sleep09-21ksoftirqd/022:33:400
233382790,1sleep023340-21bash22:39:210
323512780,2sleep21173199cyclictest00:07:232
179772770,0sleep30-21swapper/322:51:463
108872760,1sleep341-21ksoftirqd/300:29:233
137972690,0sleep00-21swapper/000:26:040
298742570,0sleep10-21swapper/122:20:271
168262570,1sleep316825-21bash00:30:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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