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2026-04-28 - 03:32
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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 Mon Apr 27, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
691178993229,2cyclictest889971-21fwupd10:23:442
691172993221,10cyclictest783380-21idleruntime-cro08:40:000
69117299320,21cyclictest864751-21cron09:59:590
691172993119,3cyclictest874186-21sshd10:05:250
691172993019,2cyclictest794277-21irqcore08:50:180
691172992917,2cyclictest844348-21apt-get09:40:130
69118299272,21cyclictest819102-21apt-get09:15:133
69118299272,21cyclictest778599-21apt-get08:35:113
69117299271,24cyclictest798862-21apt-get08:55:140
69118299262,3cyclictest910762-21apt-get10:45:113
691182992621,3cyclictest885273-21apt-get10:20:113
69118299261,21cyclictest1023148-21apt-get12:35:123
69118299261,21cyclictest0-21swapper/307:10:113
691172992618,2cyclictest753334-21apt-get08:10:120
691172992618,1cyclictest0-21swapper/008:15:130
691182992518,4cyclictest982553-21apt-get11:55:123
69118299251,21cyclictest952162-21apt-get11:25:133
69118299251,21cyclictest0-21swapper/311:20:123
69118299250,21cyclictest0-21swapper/310:15:103
69118299250,21cyclictest0-21swapper/309:50:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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