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2026-08-21 - 08:42
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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 Fri Aug 21, 2026 00:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/321:40:533
71730rcu_preempt0-21swapper/321:40:533
858999542cyclictest16505-21munin-run19:44:320
858999542cyclictest16505-21munin-run19:44:320
8589995418cyclictest1959-21runrttasks22:43:570
8589995418cyclictest1959-21runrttasks22:43:570
858999523cyclictest0-21swapper/020:59:590
858999523cyclictest0-21swapper/020:59:590
858999523cyclictest0-21swapper/000:19:480
858999523cyclictest0-21swapper/000:19:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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