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2026-06-05 - 23:08
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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 10 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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