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2026-04-27 - 12:26
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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 Apr 27, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36472960chrt46250irq/120-QMan10:48:551
36472960chrt46250irq/120-QMan10:48:551
71640rcu_preempt0-21swapper/022:32:110
71640rcu_preempt0-21swapper/022:32:110
71620rcu_preempt0-21swapper/100:04:481
71620rcu_preempt0-21swapper/100:04:481
71620rcu_preempt0-21swapper/100:04:481
25466995612cyclictest0-21swapper/019:52:340
25466995612cyclictest0-21swapper/019:52:340
2546699547cyclictest0-21swapper/023:17:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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