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2026-07-03 - 03:19
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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 Jul 03, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71740rcu_preempt0-21swapper/021:16:520
71740rcu_preempt0-21swapper/021:16:520
71740rcu_preempt0-21swapper/021:16:520
71460rcu_preempt13468-21sh21:54:281
71460rcu_preempt13468-21sh21:54:281
71450rcu_preempt4975-21diskstats21:39:040
71450rcu_preempt4975-21diskstats21:39:040
71450rcu_preempt0-21swapper/021:19:160
71450rcu_preempt0-21swapper/021:19:160
71450rcu_preempt0-21swapper/021:19:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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