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2026-05-03 - 01:56
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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 Sun May 03, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/222:36:152
71670rcu_preempt0-21swapper/222:36:152
71620rcu_preempt15229-1kworker/2:1H22:08:222
71620rcu_preempt15229-1kworker/2:1H22:08:222
71620rcu_preempt15229-1kworker/2:1H22:08:222
71600rcu_preempt0-21swapper/023:20:040
71600rcu_preempt0-21swapper/023:20:040
71590rcu_preempt0-21swapper/022:50:260
71590rcu_preempt0-21swapper/022:50:260
71510rcu_preempt18992-21grep19:13:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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