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2025-11-16 - 00:20
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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 Sat Nov 15, 2025 12:53:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71630rcu_preempt0-21swapper/309:27:403
71630rcu_preempt0-21swapper/309:27:403
46050510irq/122-QManpo2336-2109:24:360
46050510irq/122-QManpo2336-2109:24:360
46050510irq/122-QManpo2336-2109:24:360
46050510irq/122-QManpo2336-2109:24:360
71480rcu_preempt8605-21/usr/sbin/munin10:17:501
71480rcu_preempt8605-21/usr/sbin/munin10:17:501
71460rcu_preempt0-21swapper/110:54:281
71460rcu_preempt0-21swapper/110:54:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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