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2026-04-25 - 08:42
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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 Sat Apr 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3380975995148,2cyclictest3554098-21fwupd22:00:022
3380973993627,7cyclictest0-21swapper/120:15:191
338097399320,22cyclictest3548960-21cron21:54:591
338097399301,21cyclictest3713690-21apt-get00:35:121
3380979992918,10cyclictest261-21systemd-journal21:54:593
338097999290,28cyclictest0-21swapper/319:45:013
338097399291,3cyclictest3610119-21apt-get22:55:111
338097399291,3cyclictest3610119-21apt-get22:55:111
338097399291,26cyclictest0-21swapper/119:35:111
3380979992819,8cyclictest0-21swapper/320:15:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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