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2026-09-23 - 02:45
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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 Wed Sep 23, 2026 00:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71660rcu_preempt0-21swapper/123:42:051
71660rcu_preempt0-21swapper/123:42:051
71660rcu_preempt0-21swapper/123:42:051
7347995932cyclictest4403-21diskstats22:05:270
7347995932cyclictest4403-21diskstats22:05:270
71560rcu_preempt0-21swapper/120:30:121
71560rcu_preempt0-21swapper/120:30:121
7347995422cyclictest0-21swapper/000:09:140
7347995422cyclictest0-21swapper/000:09:140
7347995320cyclictest0-21swapper/022:22:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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