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2026-03-10 - 00:14
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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 Mon Mar 09, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/112:37:451
71670rcu_preempt0-21swapper/112:37:451
71650rcu_preempt31846-1kworker/1:2H09:24:361
71650rcu_preempt31846-1kworker/1:2H09:24:361
71600rcu_preempt9590-1kworker/1:1H09:37:061
71600rcu_preempt9590-1kworker/1:1H09:37:061
71600rcu_preempt9590-1kworker/1:1H09:37:061
71550rcu_preempt0-21swapper/009:26:430
71550rcu_preempt0-21swapper/009:26:430
71470rcu_preempt0-21swapper/212:02:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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