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2025-10-06 - 13:26
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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 Mon Oct 06, 2025 00:53:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71820rcu_preempt26466-21/usr/sbin/munin22:07:063
71820rcu_preempt26466-21/usr/sbin/munin22:07:063
121532720chrt46450irq/118-QMan09:24:362
121532720chrt46450irq/118-QMan09:24:362
71690rcu_preempt0-21swapper/100:56:221
71690rcu_preempt0-21swapper/100:56:221
71670rcu_preempt0-21swapper/200:15:192
71670rcu_preempt0-21swapper/200:15:192
46050550irq/122-QManpo27986-2109:24:360
46050480irq/122-QManpo27790-2109:24:360
46050480irq/122-QManpo27790-2109:24:360
46050480irq/122-QManpo27790-2109:24:360
71470rcu_preempt19003-21ntp_states00:52:122
71470rcu_preempt19003-21ntp_states00:52:122
71450rcu_preempt0-21swapper/220:01:542
71450rcu_preempt0-21swapper/220:01:542
71450rcu_preempt0-21swapper/123:29:301
71450rcu_preempt0-21swapper/123:29:301
71450rcu_preempt0-21swapper/123:29:301
46250430irq/120-QManpo28177-2109:24:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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