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2025-12-13 - 17:30
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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 Dec 13, 2025 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
983321160,2sleep20-21swapper/211:45:202
19322210938,43sleep30-21swapper/307:07:333
1937729634,41sleep10-21swapper/107:08:151
189922900,0sleep00-21swapper/011:59:000
57382750,2sleep15739-21bash12:05:121
300062750,1sleep20-21swapper/212:02:222
172682740,1sleep00-21swapper/010:14:080
251242720,1sleep10-21swapper/108:25:001
274982700,2sleep10-21swapper/109:56:301
109252680,1sleep30-21swapper/311:56:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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