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2026-09-07 - 04:50
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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 Mon Sep 07, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71520rcu_preempt0-21swapper/219:49:522
71520rcu_preempt0-21swapper/219:49:522
71460rcu_preempt0-21swapper/323:06:473
71460rcu_preempt0-21swapper/323:06:473
71460rcu_preempt0-21swapper/022:21:130
71460rcu_preempt0-21swapper/022:21:130
71460rcu_preempt0-21swapper/022:21:130
71420rcu_preempt1115-21/usr/sbin/munin22:05:062
71420rcu_preempt1115-21/usr/sbin/munin22:05:062
71410rcu_preempt11761-1kworker/3:1H21:30:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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