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2026-04-07 - 08:26
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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 Tue Apr 07, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41492770chrt46450irq/118-QMan10:48:552
41492770chrt46450irq/118-QMan10:48:552
71700rcu_preempt0-21swapper/223:03:422
71700rcu_preempt0-21swapper/223:03:422
71700rcu_preempt0-21swapper/223:03:422
71580rcu_preempt0-21swapper/021:37:280
71580rcu_preempt0-21swapper/021:37:280
71480rcu_preempt0-21swapper/321:28:593
71480rcu_preempt0-21swapper/321:28:593
71480rcu_preempt0-21swapper/123:13:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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