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2026-04-20 - 18:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Mon Apr 20, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3970994993329,2cyclictest107738-21fwupd12:34:562
397099999271,24cyclictest3976027-21cron07:15:003
397099499272,21cyclictest4139250-21apt-get09:55:122
397099499270,17cyclictest391rcuc/210:09:592
397099399262,20cyclictest26736-21apt-get11:15:121
3970999992518,5cyclictest26466-21cron11:15:013
397099999251,22cyclictest4083159-21apt-get09:00:093
397099999251,22cyclictest0-21swapper/309:30:123
397099499251,21cyclictest4088240-21apt-get09:05:132
397099499251,21cyclictest4032133-21apt-get08:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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