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2025-11-12 - 23:50
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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 Wed Nov 12, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
390702399321,21cyclictest3942814-21apt-get07:45:131
390702599300,1cyclictest0-21swapper/310:33:033
3907024992818,8cyclictest0-21swapper/209:50:002
390702399282,22cyclictest75925-21apt-get12:20:121
390702499262,21cyclictest69668-21apt-get12:15:132
3907023992621,3cyclictest4143829-21apt-get10:40:111
3907023992620,3cyclictest0-21swapper/107:10:181
3907023992619,5cyclictest3994243-21turbostat.cron08:34:591
3907023992619,3cyclictest4099373-21apt-get10:05:131
390702399261,21cyclictest0-21swapper/112:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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