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2026-06-05 - 17:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot5.osadl.org (updated Fri Jun 05, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5754993028,1cyclictest621-21dbus-daemon12:05:013
575499290,1cyclictest17673-21idleruntime-cro07:35:003
5749992927,1cyclictest0-21swapper/210:05:012
5745992928,1cyclictest10399-21apt-get11:50:121
5745992927,1cyclictest30862-21cron09:10:001
574599290,28cyclictest9854-21apt-get08:25:121
574599290,28cyclictest16536-21apt-get10:55:111
574599290,1cyclictest31455-21systemctl10:20:001
574599290,1cyclictest30589-21idleruntime-cro11:25:021
574299290,28cyclictest0-21swapper/007:45:130
574299290,1cyclictest0-21swapper/012:10:010
5754992828,0cyclictest0-21swapper/307:55:133
5754992826,1cyclictest3112-21sh11:35:013
575499280,28cyclictest0-21swapper/309:15:013
575499280,27cyclictest0-21swapper/308:10:113
575499280,0cyclictest0-21swapper/311:15:113
5749992827,1cyclictest13085-21apt-get09:40:102
5745992828,0cyclictest31161-21apt-get09:10:101
5745992827,0cyclictest0-21swapper/111:15:011
574599280,0cyclictest0-21swapper/111:45:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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