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2026-06-27 - 03:14
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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 Sat Jun 27, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71630rcu_preempt15504-21kworker/0:419:53:390
71630rcu_preempt15504-21kworker/0:419:53:390
71630rcu_preempt15504-21kworker/0:419:53:390
843299534cyclictest0-21swapper/000:27:380
843299534cyclictest0-21swapper/000:27:380
843299514cyclictest0-21swapper/022:46:020
843299514cyclictest0-21swapper/022:46:020
843299514cyclictest0-21swapper/022:46:020
843299514cyclictest0-21swapper/000:18:570
843299514cyclictest0-21swapper/000:18:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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