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2025-12-29 - 07:41
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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 Mon Dec 29, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71860rcu_preempt0-21swapper/222:50:292
71860rcu_preempt0-21swapper/222:50:292
249872830sleep346650irq/116-QMan10:48:553
249872830sleep346650irq/116-QMan10:48:553
71780rcu_preempt24506-1kworker/3:1H22:20:513
71780rcu_preempt24506-1kworker/3:1H22:20:513
71660rcu_preempt0-21swapper/223:07:162
71660rcu_preempt0-21swapper/223:07:162
71650rcu_preempt0-21swapper/221:50:292
71650rcu_preempt0-21swapper/221:50:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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