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2026-06-19 - 21:50
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Jun 19, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
839003993128,2cyclictest1017793-21fwupd10:00:332
83900199272,22cyclictest972517-21apt-get09:20:131
83900199271,22cyclictest1132164-21apt-get11:55:121
83900799261,21cyclictest0-21swapper/310:55:123
83900399261,21cyclictest962380-21apt-get09:10:122
839001992619,5cyclictest890802-21cron08:00:001
83899799262,21cyclictest1034504-21apt-get10:20:130
83900799252,3cyclictest1111373-21apt-get11:35:113
839007992520,3cyclictest1080216-21apt-get11:05:113
83900799251,20cyclictest932008-21apt-get08:40:123
83900799250,23cyclictest1173316-21idleruntime-cro12:35:003
83900399258,8cyclictest1095175-21awk11:20:002
83900399251,21cyclictest0-21swapper/212:35:122
83900199251,22cyclictest3777322-21systemd-journal09:55:001
83900199251,20cyclictest839215-21apt-get07:10:141
83900199251,20cyclictest0-21swapper/110:10:121
839007992419,3cyclictest870436-21apt-get07:40:123
839007992418,3cyclictest0-21swapper/310:15:163
83900799241,2cyclictest916396-21apt-get08:25:113
83900799241,2cyclictest0-21swapper/312:05:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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