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2026-08-22 - 10:23
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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 Sat Aug 22, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt14247-21kworker/3:021:45:043
71730rcu_preempt14247-21kworker/3:021:45:043
71500rcu_preempt0-21swapper/121:30:321
71500rcu_preempt0-21swapper/121:30:321
71450rcu_preempt0-21swapper/121:44:431
71450rcu_preempt0-21swapper/121:44:431
71430rcu_preempt23149-21copy20:44:401
71430rcu_preempt23149-21copy20:44:401
71430rcu_preempt0-21swapper/000:22:580
71430rcu_preempt0-21swapper/000:22:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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