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2026-06-13 - 14:28
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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 Sat Jun 13, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
394760699310,29cyclictest4069843-21awk21:10:003
3947599993027,2cyclictest0-21swapper/120:30:001
3947606992723,3cyclictest4105268-21sh21:45:003
394759799270,25cyclictest3973595-21irqcore19:35:170
394759799261,23cyclictest3972859-21cut19:35:000
394759799260,5cyclictest3777322-21systemd-journal21:10:010
394760299250,24cyclictest87684-21sed00:35:162
394759799252,2cyclictest4110617-21apt-get21:50:130
3947597992519,4cyclictest4028521-21apt20:29:590
394759799251,3cyclictest4075170-21apt-get21:15:120
394759799251,3cyclictest3978203-21apt-get19:40:100
394759799251,21cyclictest4131254-21apt-get22:10:120
394759799250,5cyclictest4105266-21idleruntime-cro21:45:010
394759799250,2cyclictest0-21swapper/020:45:100
394760699241,20cyclictest75316-21apt-get00:25:113
394760699241,20cyclictest3998440-21apt-get20:00:113
3947602992420,2cyclictest59706-21apt-get00:10:112
3947602992420,2cyclictest4065083-21apt-get21:05:132
3947602992420,2cyclictest4060029-21apt-get21:00:112
3947602992419,3cyclictest3777322-21systemd-journal22:25:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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