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2026-08-31 - 21:46
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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 Aug 31, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71590rcu_preempt0-21swapper/308:16:043
71590rcu_preempt0-21swapper/308:16:043
71470rcu_preempt0-21swapper/009:55:230
71470rcu_preempt0-21swapper/009:55:230
71460rcu_preempt0-21swapper/109:19:271
71460rcu_preempt0-21swapper/109:19:271
71420rcu_preempt6433-21kworker/1:210:34:581
71420rcu_preempt6433-21kworker/1:210:34:581
71420rcu_preempt31866-21kworker/1:211:32:281
71420rcu_preempt31866-21kworker/1:211:32:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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