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2025-08-27 - 02:16
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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 Wed Aug 27, 2025 00:53:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt0-21swapper/201:00:312
71610rcu_preempt0-21swapper/201:00:312
71590rcu_preempt0-21swapper/323:18:513
71590rcu_preempt0-21swapper/323:18:513
46050490irq/122-QManpo21800-2109:24:360
46650460irq/116-QManpo21305-213
46650460irq/116-QManpo21305-213
46250450irq/120-QManpo21782-2109:24:361
46050450irq/122-QManpo21568-2109:24:360
285199454cyclictest0-21swapper/123:57:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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