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2026-08-09 - 06:02
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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 rackeslot4.osadl.org (updated Sun Aug 09, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235677299281,24cyclictest3777322-21systemd-journal23:20:003
235676199287,2cyclictest2413367-21awk20:05:000
235677299272,21cyclictest2403431-21apt-get19:55:123
235676499272,21cyclictest2520554-21apt-get21:50:091
235677299261,22cyclictest2612385-21apt-get23:20:103
235677299261,22cyclictest2464317-21apt-get20:55:123
235677299261,20cyclictest2444012-21apt-get20:35:123
235677299261,20cyclictest2444012-21apt-get20:35:123
235676499261,21cyclictest2607291-21apt-get23:15:111
235677299251,21cyclictest2408525-21apt-get20:00:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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