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2026-06-18 - 15:41
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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 Thu Jun 18, 2026 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71480rcu_preempt28108-21sendmail-msp12:35:520
71480rcu_preempt28108-21sendmail-msp12:35:520
71480rcu_preempt28108-21sendmail-msp12:35:520
71470rcu_preempt2744-21grep07:11:000
71470rcu_preempt2744-21grep07:11:000
71470rcu_preempt0-21swapper/211:05:292
71470rcu_preempt0-21swapper/211:05:292
46450440irq/118-QManpo30866-2110:48:552
46450440irq/118-QManpo30866-2110:48:552
46250440irq/120-QManpo31091-2110:48:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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