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2026-05-07 - 01:42
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Wed May 06, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
346391799331,20cyclictest3605795-21ntpq09:25:211
346391799321,3cyclictest3785073-21grep12:25:151
3463917993018,10cyclictest3678041-21awk10:40:001
346391799301,20cyclictest3505262-21apt-get07:50:121
3463913993026,3cyclictest3779121-21fwupd12:18:470
3463917992916,11cyclictest261-21systemd-journal10:20:001
346391799291,26cyclictest0-21swapper/109:30:111
3463917992818,8cyclictest3698274-21cron11:00:001
3463917992818,8cyclictest3597335-21irqcore09:20:151
3463917992816,10cyclictest3469227-21latency_hist07:15:001
346391799281,2cyclictest0-21swapper/108:41:211
346391799280,27cyclictest3596350-21readlink09:20:011
3463917992617,1cyclictest0-21swapper/111:50:111
346391799261,21cyclictest3571089-21apt-get08:55:121
346391799261,1cyclictest3586264-21apt-get09:10:121
346391799260,25cyclictest0-21swapper/107:49:451
346392399252,3cyclictest3744081-21apt-get11:45:122
3463917992517,1cyclictest0-21swapper/110:25:181
3463917992512,3cyclictest3774181-21sh12:15:001
346391799251,21cyclictest3789656-21apt-get12:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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