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2026-04-05 - 03:41
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackeslot8.osadl.org (updated Sun Apr 05, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1299983860,380rtkit-daemon336489-21kworker/u16:1+efi_rts_wq19:40:142
54484022780,4sleep20-21swapper/221:25:182
362285992522,1cyclictest0-21swapper/321:35:013
36228599251,9cyclictest642119-21turbostat22:30:003
362285992421,1cyclictest0-21swapper/320:40:013
36228599232,15cyclictest603364-21taskset22:05:013
362285992320,1cyclictest0-21swapper/321:45:013
362285992320,1cyclictest0-21swapper/320:15:013
362285992320,1cyclictest0-21swapper/319:15:013
362285992118,1cyclictest0-21swapper/323:30:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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