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2026-08-27 - 18:24
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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 Thu Aug 27, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71600rcu_preempt0-21swapper/011:27:590
71600rcu_preempt0-21swapper/011:27:590
1373199551cyclictest31960-21sed08:20:080
1373199551cyclictest31960-21sed08:20:080
46050510irq/122-QManpo13409-2110:48:550
46050510irq/122-QManpo13409-2110:48:550
71490rcu_preempt13480-21apt-get11:10:022
71490rcu_preempt13480-21apt-get11:10:022
71460rcu_preempt0-21swapper/110:01:441
71460rcu_preempt0-21swapper/110:01:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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