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2026-09-06 - 02:08
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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 rack4slot4.osadl.org (updated Sun Sep 06, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71510rcu_preempt0-21swapper/321:45:283
71510rcu_preempt0-21swapper/321:45:283
71480rcu_preempt0-21swapper/023:55:000
71480rcu_preempt0-21swapper/023:55:000
71460rcu_preempt0-21swapper/223:55:012
71460rcu_preempt0-21swapper/223:55:012
71450rcu_preempt21050-21apt-get21:30:011
71450rcu_preempt21050-21apt-get21:30:011
71450rcu_preempt0-21swapper/222:57:522
71450rcu_preempt0-21swapper/222:57:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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