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2026-05-05 - 02:52
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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 May 05, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71820rcu_preempt0-21swapper/223:24:222
71820rcu_preempt0-21swapper/223:24:222
71810rcu_preempt0-21swapper/223:15:072
71810rcu_preempt0-21swapper/223:15:072
71660rcu_preempt0-21swapper/221:56:142
71660rcu_preempt0-21swapper/221:56:142
220222640chrt46650irq/116-QMan10:48:553
220222640chrt46650irq/116-QMan10:48:553
71550rcu_preempt0-21swapper/221:12:452
71550rcu_preempt0-21swapper/221:12:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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