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2026-05-10 - 15:01
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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 Sun May 10, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3958314994037,2cyclictest33303-21fwupd23:32:572
3958314994037,2cyclictest33303-21fwupd23:32:562
3958308993532,2cyclictest33303-21fwupd23:32:560
3958308993532,2cyclictest33303-21fwupd23:32:560
3958310993228,2cyclictest0-21swapper/121:40:181
395831699300,28cyclictest33493-21cron23:35:013
395831699300,28cyclictest33493-21cron23:35:003
3958314992927,1cyclictest0-21swapper/220:40:002
3958308992719,6cyclictest69043-21cron00:10:000
395830899271,22cyclictest4029288-21apt-get20:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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