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2026-05-07 - 22:04
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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 May 07, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
197852660chrt46650irq/116-QMan10:48:553
197852660chrt46650irq/116-QMan10:48:553
197852660chrt46650irq/116-QMan10:48:553
71640rcu_preempt0-21swapper/008:17:550
71640rcu_preempt0-21swapper/008:17:550
71520rcu_preempt0-21swapper/309:38:393
71520rcu_preempt0-21swapper/309:38:393
46050490irq/122-QManpo2214-2110:48:550
46050490irq/122-QManpo2214-2110:48:550
71480rcu_preempt0-21swapper/211:45:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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