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2026-04-23 - 22:57
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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 Thu Apr 23, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71650rcu_preempt0-21swapper/112:33:291
71650rcu_preempt0-21swapper/112:33:291
71640rcu_preempt0-21swapper/211:29:082
71640rcu_preempt0-21swapper/211:29:082
71640rcu_preempt0-21swapper/211:29:082
97682500chrt46450irq/118-QMan10:48:552
97682500chrt46450irq/118-QMan10:48:552
71500rcu_preempt0-21swapper/110:44:391
71500rcu_preempt0-21swapper/110:44:391
71500rcu_preempt0-21swapper/110:44:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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