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2025-12-05 - 22:14
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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 Dec 05, 2025 12:54:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt0-21swapper/010:21:360
71680rcu_preempt0-21swapper/010:21:360
71650rcu_preempt0-21swapper/312:25:393
71650rcu_preempt0-21swapper/312:25:393
71650rcu_preempt0-21swapper/011:52:440
71650rcu_preempt0-21swapper/011:52:440
71640rcu_preempt0-21swapper/310:55:233
71640rcu_preempt0-21swapper/310:55:233
2852199603cyclictest0-21swapper/010:08:100
2852199603cyclictest0-21swapper/010:08:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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