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2025-11-24 - 18:34
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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 Mon Nov 24, 2025 12:54:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/211:42:192
71730rcu_preempt0-21swapper/211:42:192
71450rcu_preempt0-21swapper/311:05:053
71450rcu_preempt0-21swapper/311:05:053
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71400rcu_preempt0-21swapper/012:17:380
71400rcu_preempt0-21swapper/012:17:380
71390rcu_preempt0-21swapper/013:02:560
71390rcu_preempt0-21swapper/013:02:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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