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2026-06-09 - 19:47
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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 Tue Jun 09, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3719946993331,1cyclictest3806277-21kworker/0:2+pm09:21:020
371995599272,21cyclictest3974332-21apt-get11:20:123
3719955992617,6cyclictest3812113-21ps08:40:163
371995599261,23cyclictest3989338-21apt-config11:35:003
371995599260,23cyclictest3908804-21ps10:15:153
371995199261,5cyclictest3801271-21sh08:30:002
3719955992522,2cyclictest136-1kworker/3:1H+kblockd09:21:023
3719955992520,3cyclictest3836906-21apt-get09:05:113
371995599251,20cyclictest4040919-21apt-get12:25:133
371995599251,20cyclictest4025780-21apt-get12:10:133
371995599251,20cyclictest0-21swapper/310:00:123
371995199251,21cyclictest4035889-21apt-get12:20:132
371995199251,20cyclictest3791391-21apt-get08:20:122
371994899250,5cyclictest3918921-21irqcore10:25:151
3719946992517,6cyclictest3979127-21cron11:25:000
371995599242,2cyclictest3750910-21apt-get07:40:113
371995599241,20cyclictest0-21swapper/309:30:113
371995599241,20cyclictest0-21swapper/309:10:123
371995599241,20cyclictest0-21swapper/307:35:113
371995599240,23cyclictest514-21in:imuxsock11:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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