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2026-07-29 - 03:00
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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 Tue Jul 28, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3329743993618,8cyclictest3544856-21apt-get10:40:131
332974399312,21cyclictest3641908-21apt-get12:15:121
332974399301,2cyclictest0-21swapper/108:15:011
332974399300,2cyclictest3575547-21uniq11:10:151
332974399300,20cyclictest0-21swapper/111:00:121
332974399291,24cyclictest3595673-21apt-get11:30:121
332974899287,20cyclictest18250irq/132-nvme0q407:45:113
3329743992717,9cyclictest3777322-21systemd-journal11:55:011
332974399270,1cyclictest0-21swapper/108:45:001
332974899261,22cyclictest3570278-21apt-get11:05:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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