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2026-07-10 - 06:06
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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 Fri Jul 10, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3181812993936,2cyclictest3191779-21fwupd19:18:303
318180799311,20cyclictest191rcu_preempt00:30:172
3181802993129,1cyclictest3128784-21kworker/0:2+pm19:18:320
318181299281,6cyclictest3222351-21cron19:49:593
318180299281,26cyclictest3395729-21sh22:39:590
318181299271,22cyclictest3421681-21apt-get23:05:133
318181299262,21cyclictest3375741-21apt-get22:20:143
318181299261,3cyclictest3222630-21apt-get19:50:113
318181299261,21cyclictest0-21swapper/323:15:133
318180299262,22cyclictest3192186-21apt-get19:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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