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2026-05-20 - 13:00
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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 Wed May 20, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt0-21swapper/100:21:481
81760rcu_preempt0-21swapper/123:50:301
81750rcu_preempt19-21ksoftirqd/122:21:321
81750rcu_preempt19-21ksoftirqd/100:15:061
81740rcu_preempt26804-21sed23:17:071
81730rcu_preempt7425-21sort22:42:011
81710rcu_preempt27796-1kworker/0:2H22:09:530
81710rcu_preempt19-21ksoftirqd/121:52:321
81710rcu_preempt0-21swapper/100:18:061
81710rcu_preempt0-21swapper/023:42:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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