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2026-08-15 - 21:18
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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 Sat Aug 15, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2986121270,2sleep20-21swapper/212:02:582
1051921240,0sleep010504-21sshd10:56:310
2258621110,2sleep30-21swapper/312:16:493
1593021000,1sleep10-21swapper/110:39:491
1984429632,60sleep10-21swapper/107:06:571
1984429632,60sleep10-21swapper/107:06:561
1874829435,46sleep30-21swapper/307:05:143
1874829435,46sleep30-21swapper/307:05:133
325842920,2sleep30-21swapper/311:39:503
112232920,1sleep011222-21bash12:36:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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