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2026-07-13 - 15:47
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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 Jul 13, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1070399511cyclictest16727-21sendmail-msp09:24:213
1070399511cyclictest16727-21sendmail-msp09:24:213
71480rcu_preempt17825-21apt-get10:29:060
71480rcu_preempt17825-21apt-get10:29:060
71480rcu_preempt17825-21apt-get10:29:060
46050470irq/122-QManpo25884-2110:48:550
46050470irq/122-QManpo25884-2110:48:550
46050470irq/122-QManpo25884-2110:48:550
1070299471cyclictest29490-21sendmail-msp08:24:202
1070299471cyclictest29490-21sendmail-msp08:24:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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