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2026-06-24 - 05:50
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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 Jun 24, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4435699322,2cyclictest147042-21irqcore20:50:173
4435699311,20cyclictest273313-21cron22:55:003
44356993020,3cyclictest85163-21apt-get19:50:113
44356993019,3cyclictest80095-21apt-get19:45:123
44356993019,3cyclictest80095-21apt-get19:45:113
4435699300,20cyclictest0-21swapper/319:55:113
4435699290,20cyclictest0-21swapper/300:20:133
44349992919,9cyclictest54450-21cron19:20:000
4435699281,20cyclictest0-21swapper/320:35:123
4435699262,3cyclictest263407-21apt-get22:45:123
44356992618,3cyclictest0-21swapper/320:30:133
4435699260,23cyclictest45052-21grep19:10:163
4435499261,23cyclictest212578-21cron21:55:012
4435699252,2cyclictest238146-21apt-get22:20:123
44356992519,1cyclictest0-21swapper/320:10:123
44354992521,2cyclictest0-21swapper/220:30:002
44354992520,3cyclictest131277-21apt-get20:35:132
44354992519,4cyclictest115390-21cron20:20:002
44354992519,3cyclictest360543-21apt-get00:20:132
4435499251,21cyclictest166865-21apt-get21:10:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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