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2026-08-21 - 01:46
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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 Thu Aug 20, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3168321360,1sleep03196299cyclictest11:31:400
3168321360,1sleep03196299cyclictest11:31:400
2629321320,0sleep00-21swapper/011:02:260
419521220,0sleep14189-21bash10:08:041
2592921210,2sleep325930-21sshd10:21:343
1343321030,1sleep00-21swapper/009:14:580
305782950,1sleep20-21swapper/212:20:432
149142950,4sleep33196599cyclictest09:54:573
256122940,1sleep30-21swapper/310:59:373
249172900,1sleep00-21swapper/011:08:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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