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2026-08-20 - 20:36
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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 Thu Aug 20, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20095211710,11sleep020094-21/usr/sbin/munin19:05:320
207289916839,102cyclictest24074-21ntpq19:20:370
207289916722,18cyclictest22508-21wget19:15:140
207289916627,120cyclictest31242-21wget19:50:140
207289916136,108cyclictest10250irq/56-4a10000021:31:050
207289916130,118cyclictest30920-21apt-get21:56:350
207289916125,104cyclictest6953-21netstat20:20:340
20728991599,19cyclictest27607-21df19:35:190
20728991599,16cyclictest2010-21node23:38:240
20728991589,24cyclictest17232-21ntp_states23:05:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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