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2026-08-12 - 06:03
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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 12, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/223:37:472
71730rcu_preempt0-21swapper/223:37:472
71420rcu_preempt0-21swapper/323:57:143
71420rcu_preempt0-21swapper/323:57:143
71420rcu_preempt0-21swapper/219:59:232
71420rcu_preempt0-21swapper/219:59:232
71410rcu_preempt0-21swapper/322:39:353
71410rcu_preempt0-21swapper/322:39:353
71410rcu_preempt0-21swapper/319:39:373
71410rcu_preempt0-21swapper/319:39:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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