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2025-09-15 - 07:20
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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 15, 2025 00:53:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/100:57:161
71700rcu_preempt0-21swapper/100:57:161
71700rcu_preempt0-21swapper/100:57:161
46050460irq/122-QManpo31941-2109:24:360
46050460irq/122-QManpo31941-2109:24:360
71450rcu_preempt0-21swapper/300:44:453
71450rcu_preempt0-21swapper/300:44:453
1404399454cyclictest0-21swapper/323:41:393
1404399454cyclictest0-21swapper/323:41:393
1404399454cyclictest0-21swapper/322:16:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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