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2026-03-16 - 18:58
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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 Mar 16, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
404388599271,23cyclictest9267-21irqcore09:45:153
4043885992620,3cyclictest146189-21apt-get12:00:113
404388599261,23cyclictest4100017-21cron08:05:003
404387999262,21cyclictest4059329-21apt-get07:25:121
4043885992520,3cyclictest84984-21apt-get11:00:123
4043885992519,3cyclictest151263-21apt-get12:05:113
404388599251,5cyclictest4131636-21sort08:35:153
404388599251,21cyclictest4156834-21apt-get09:00:123
404388599251,21cyclictest4074984-21apt-get07:40:143
404388599251,21cyclictest14233-21apt-get09:50:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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