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2026-04-20 - 19:57
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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 Mon Apr 20, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1337921340,1sleep313380-21bash10:50:403
164822920,1sleep20-21swapper/210:51:032
16812910,2sleep10-21swapper/110:28:411
120672910,0sleep00-21swapper/010:02:120
123712890,0sleep00-21swapper/010:47:080
62242878,41sleep10-21swapper/107:09:051
62242878,41sleep10-21swapper/107:09:041
60352870,2sleep22512-21runrttasks12:17:382
306212860,3sleep2657599cyclictest09:17:372
63062857,40sleep30-21swapper/307:09:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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