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2026-06-25 - 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 Thu Jun 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3112720993315,8cyclictest0-21swapper/321:40:013
311272099330,30cyclictest3345028-21grep22:55:163
311272099321,11cyclictest3153240-21cron19:50:013
311272099320,31cyclictest3261957-21cron21:35:003
3112720993018,10cyclictest3184933-21sed20:20:173
311272099301,28cyclictest500-21dbus-daemon21:30:003
311272099301,26cyclictest0-21swapper/320:40:123
311272099300,28cyclictest3293950-21grep22:05:163
311272099298,14cyclictest0-21swapper/322:20:223
311272099289,10cyclictest3200123-21apt-key20:35:013
311272099281,8cyclictest0-21swapper/300:00:003
311272099281,7cyclictest0-21swapper/322:40:003
311272099281,25cyclictest3415130-21munin-run00:05:003
311272099281,23cyclictest3112947-21apt-get19:10:113
311272099281,13cyclictest3445659-21latency_hist00:35:013
311272099280,9cyclictest3424517-21wc00:10:233
311272099280,8cyclictest0-21swapper/320:10:203
311272099280,27cyclictest3201047-21ps20:35:163
311272099280,26cyclictest3399927-21cron23:50:003
311272099280,26cyclictest3399927-21cron23:50:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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