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2026-04-10 - 12:01
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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 Apr 10, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71880rcu_preempt0-21swapper/222:08:092
71880rcu_preempt0-21swapper/222:08:092
71880rcu_preempt0-21swapper/222:08:092
71500rcu_preempt0-21swapper/222:07:072
71500rcu_preempt0-21swapper/222:07:072
71490rcu_preempt0-21swapper/322:08:193
71490rcu_preempt0-21swapper/322:08:193
71490rcu_preempt0-21swapper/322:08:193
71490rcu_preempt0-21swapper/023:02:370
71490rcu_preempt0-21swapper/023:02:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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