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2025-12-27 - 23:45
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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 Sat Dec 27, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
689931993227,3cyclictest61650irq/133-enp0s29f1:rx-010:35:120
68994199318,3cyclictest863315-21cron10:00:003
68994199281,25cyclictest966613-21ps11:40:153
68994199281,24cyclictest0-21swapper/308:30:123
68994199280,27cyclictest987283-21ps12:00:163
68994199280,26cyclictest903869-21idleruntime-cro10:40:003
689941992721,4cyclictest961057-21apt-get11:35:133
689941992720,4cyclictest843357-21apt-get09:40:143
68994199271,24cyclictest928653-21ntpq11:00:233
68994199271,24cyclictest760393-21ntpq08:15:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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