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2025-11-28 - 21:15
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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 Fri Nov 28, 2025 12:54:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71710rcu_preempt0-21swapper/112:20:421
71710rcu_preempt0-21swapper/112:20:421
71670rcu_preempt0-21swapper/010:55:450
71670rcu_preempt0-21swapper/010:55:450
71600rcu_preempt0-21swapper/310:48:533
71600rcu_preempt0-21swapper/310:48:533
71520rcu_preempt0-21swapper/009:17:590
71520rcu_preempt0-21swapper/009:17:590
71500rcu_preempt29901-21latency_hist10:32:461
71500rcu_preempt29901-21latency_hist10:32:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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