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2026-09-22 - 14:40
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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 rack7slot8.osadl.org (updated Tue Sep 22, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145482928159,434sleep013967-21kworker/0:319:05:180
155399914060,61cyclictest15798-21seq21:15:310
155399913460,53cyclictest754-21systemd-journal20:04:300
155399913449,33cyclictest10527-21ntp_states20:55:410
155399913345,33cyclictest28237-21apt-get22:07:090
155399913157,36cyclictest13754-21apt21:10:010
155399912959,36cyclictest24965-21irqstats21:50:550
155399912854,57cyclictest21612-21chrt21:40:000
155399912752,36cyclictest26984-21munin-run22:00:020
155399912749,41cyclictest31346-21ntp_states20:10:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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