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2026-04-19 - 18:48
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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 Apr 19, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
870405994842,4cyclictest1059620-21fwupd10:13:553
870402993430,2cyclictest0-21swapper/210:30:172
870405993019,9cyclictest987658-21apt-key09:05:003
87040599301,27cyclictest1177213-21apt-get12:10:123
87040599294,13cyclictest1109509-21cut11:00:173
87040599280,27cyclictest0-21swapper/311:20:003
87040599280,26cyclictest0-21swapper/309:50:113
87040599280,25cyclictest1136955-21ps11:30:173
87040599271,23cyclictest1146609-21apt-get11:40:113
87040599271,22cyclictest900985-21apt-get07:40:133
87040599270,26cyclictest1082515-21sed10:35:183
87040599270,26cyclictest0-21swapper/308:20:163
87040599270,24cyclictest0-21swapper/310:15:123
870402992723,2cyclictest0-21swapper/208:35:172
87040299271,6cyclictest1003607-21cron09:20:002
87040299271,22cyclictest1121228-21apt-get11:15:132
870405992617,8cyclictest1100286-21turbostat10:55:003
87040599261,5cyclictest1135329-21ntpq11:25:223
87040599261,21cyclictest0-21swapper/309:15:123
87040599260,24cyclictest0-21swapper/308:25:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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