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2026-09-17 - 13:37
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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 Thu Sep 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
407840599340,4cyclictest86132-21tr22:25:180
407840599330,2cyclictest4189965-21seq20:55:220
407840599301,20cyclictest68458-21unin-run22:10:000
407840599300,2cyclictest0-21swapper/020:30:010
4078405992920,7cyclictest4083696-21apt-get19:15:120
407840599291,2cyclictest0-21swapper/021:11:070
407840599290,21cyclictest58301-21cron22:00:000
4078414992825,2cyclictest0-21swapper/323:00:003
407840599281,3cyclictest4109161-21apt-get19:40:110
407840599281,2cyclictest0-21swapper/000:15:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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