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2026-05-06 - 07:21
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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 Wed May 06, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3991767993835,2cyclictest4119835-21kworker/3:0+pm21:59:563
399176299320,22cyclictest73566-21cron23:40:011
3991762993020,2cyclictest4130261-21apt-get21:25:111
399176299301,3cyclictest4114957-21apt-get21:10:111
3991764992820,1cyclictest0-21swapper/223:55:002
399176799270,24cyclictest0-21swapper/321:10:113
399175799270,26cyclictest0-21swapper/023:50:110
3991767992619,6cyclictest1-21systemd21:00:003
399176799261,21cyclictest7462-21apt-get22:35:143
399176799260,19cyclictest48153-21cron23:15:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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