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2025-11-21 - 16:37
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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 Fri Nov 21, 2025 12:54:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71690rcu_preempt0-21swapper/213:01:372
71690rcu_preempt0-21swapper/213:01:372
71660rcu_preempt0-21swapper/212:47:542
71660rcu_preempt0-21swapper/212:47:542
71660rcu_preempt0-21swapper/212:47:542
71580rcu_preempt0-21swapper/209:42:262
71580rcu_preempt0-21swapper/209:42:262
764799533cyclictest0-21swapper/011:02:350
764799533cyclictest0-21swapper/011:02:350
7647995320cyclictest0-21swapper/010:57:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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