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2026-04-25 - 01:06
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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 rackcslot3.osadl.org (updated Fri Apr 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81850rcu_preempt31259-21df_abs08:06:101
81760rcu_preempt19-21ksoftirqd/112:24:361
81750rcu_preempt0-21swapper/111:14:301
81750rcu_preempt0-21swapper/110:11:101
81740rcu_preempt19-21ksoftirqd/111:09:251
81710rcu_preempt0-21swapper/011:48:430
81710rcu_preempt0-21swapper/010:01:050
81710rcu_preempt0-21swapper/007:51:140
81700rcu_preempt0-21swapper/012:29:450
81700rcu_preempt0-21swapper/011:56:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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