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2026-04-21 - 23:02
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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 Tue Apr 21, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289439599275,19cyclictest702-21runrttasks11:00:181
289439599272,21cyclictest3054312-21apt-get09:45:111
289439899262,21cyclictest3002972-21apt-get08:55:122
289440499252,3cyclictest3110421-21apt-get10:40:133
289440499252,20cyclictest2920546-21apt-get07:35:123
289440499251,21cyclictest2941271-21apt-get07:55:113
289440499250,22cyclictest3135772-21dpkg-deb11:02:333
289440499250,21cyclictest0-21swapper/310:20:123
289439899251,20cyclictest3197214-21apt-get12:05:122
289439599252,2cyclictest2977259-21apt-get08:30:131
2894395992519,4cyclictest0-21swapper/109:40:121
2894395992519,4cyclictest0-21swapper/109:40:111
289439599251,22cyclictest3166798-21apt-get11:35:131
289439599251,22cyclictest3059881-21cut09:50:171
289439599250,21cyclictest0-21swapper/109:35:121
289440499242,2cyclictest3136358-21apt-get11:05:133
289440499241,20cyclictest3064423-21apt-get09:55:123
289440499241,20cyclictest2894635-21apt-get07:10:123
289440499240,21cyclictest3059877-21sed09:50:173
289440499240,21cyclictest0-21swapper/311:40:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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