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2026-05-24 - 22:08
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Sun May 24, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
730262992918,9cyclictest776122-21awk07:55:010
73027199271,22cyclictest817281-21apt-get08:35:123
73026799272,21cyclictest1036750-21apt-get12:10:122
73026499261,22cyclictest786998-21sort08:05:161
73026499260,1cyclictest0-21swapper/107:15:101
73026299262,21cyclictest807127-21apt-get08:25:130
73026299261,23cyclictest898756-21apt-get09:55:130
730267992520,3cyclictest924454-21apt-get10:20:122
730267992519,4cyclictest1056771-21turbostat.cron12:30:012
730267992518,5cyclictest786256-21basename08:04:592
730264992520,3cyclictest755753-21apt-get07:35:121
73026499251,21cyclictest791980-21apt-get08:10:111
73026499251,21cyclictest781449-21apt-get08:00:111
73026499250,21cyclictest0-21swapper/109:55:131
73026299252,2cyclictest827458-21apt-get08:45:120
73026299252,21cyclictest1011384-21apt-get11:45:130
73026299251,22cyclictest888587-21apt-get09:45:110
73026299251,22cyclictest740568-21apt-get07:20:120
73026299250,24cyclictest1046952-21apt-get12:20:120
73026299250,23cyclictest1036470-21cron12:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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