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2026-04-11 - 16:00
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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 Apr 11, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71630rcu_preempt0-21swapper/212:28:492
71630rcu_preempt0-21swapper/212:28:492
246972530chrt46650irq/116-QMan10:48:553
246972530chrt46650irq/116-QMan10:48:553
71500rcu_preempt0-21swapper/111:30:381
71500rcu_preempt0-21swapper/111:30:381
71500rcu_preempt0-21swapper/111:30:381
71470rcu_preempt0-21swapper/009:32:240
71470rcu_preempt0-21swapper/009:32:240
71430rcu_preempt0-21swapper/012:22:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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