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2026-03-11 - 01:51
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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 Tue Mar 10, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2009606995551,2cyclictest2238436-21fwupd10:54:561
200960499321,30cyclictest0-21swapper/010:54:560
2009609993128,2cyclictest0-21swapper/210:45:182
2009614992623,2cyclictest18250irq/132-nvme0q410:00:003
200960699262,3cyclictest2213474-21apt-get10:30:111
2009614992520,2cyclictest0-21swapper/311:30:113
200961499251,2cyclictest2106409-21apt-get08:45:143
2009606992521,2cyclictest2335509-21apt-get12:27:541
200960699251,20cyclictest2014897-21apt-get07:15:141
200960699250,23cyclictest2065611-21cron08:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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