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2026-08-04 - 17:26
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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 10 highest latencies:
System rack4slot4.osadl.org (updated Tue Aug 04, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71720rcu_preempt0-21swapper/112:30:571
71720rcu_preempt0-21swapper/112:30:571
71500rcu_preempt0-21swapper/210:05:122
71500rcu_preempt0-21swapper/210:05:122
71480rcu_preempt0-21swapper/110:12:591
71480rcu_preempt0-21swapper/110:12:591
71480rcu_preempt0-21swapper/110:12:591
71450rcu_preempt0-21swapper/107:23:141
71450rcu_preempt0-21swapper/107:23:141
71430rcu_preempt24810-21apt-get11:19:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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