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2026-09-24 - 03:05
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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 Thu Sep 24, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71680rcu_preempt0-21swapper/020:15:190
71680rcu_preempt0-21swapper/020:15:190
71650rcu_preempt0-21swapper/022:01:430
71650rcu_preempt0-21swapper/022:01:430
2259299561cyclictest3852-21apt-get20:05:210
2259299561cyclictest3852-21apt-get20:05:210
2259299561cyclictest25125-21apt-get19:25:200
2259299561cyclictest25125-21apt-get19:25:200
22592995514cyclictest14963-21apt-get20:45:200
22592995514cyclictest14963-21apt-get20:45:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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