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2025-04-22 - 22:08
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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 20 highest latencies:
System rack4slot4.osadl.org (updated Tue Apr 22, 2025 12:52:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71640rcu_preempt0-21swapper/010:27:230
71640rcu_preempt0-21swapper/010:27:230
71470rcu_preempt27055-21apt-get10:09:080
71470rcu_preempt27055-21apt-get10:09:080
71470rcu_preempt27055-21apt-get10:09:080
46450460irq/118-QManpo32005-2109:24:362
46450460irq/118-QManpo32005-2109:24:362
1094199464cyclictest0-21swapper/308:19:083
1094199464cyclictest0-21swapper/308:19:083
71450rcu_preempt10937-21cyclictest10:24:122
71450rcu_preempt10937-21cyclictest10:24:122
1094199452cyclictest5236-21munin-run12:43:433
1094199452cyclictest5236-21munin-run12:43:433
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
1094199434cyclictest0-21swapper/312:14:283
1094199434cyclictest0-21swapper/312:14:283
1094199433cyclictest0-21swapper/310:43:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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