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2026-05-14 - 16:08
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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 Thu May 14, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3353267992724,2cyclictest3612334-21munin-plugin-st11:25:002
335326799271,3cyclictest3460498-21apt-get08:55:132
335326799271,21cyclictest3669099-21apt-get12:20:122
3353267992623,2cyclictest3515841-21idleruntime-cro09:50:002
3353267992623,2cyclictest3515841-21idleruntime-cro09:49:592
335326799261,3cyclictest3562059-21apt-get10:35:122
335326799261,23cyclictest3541819-21apt-get10:15:122
335326799261,22cyclictest0-21swapper/209:00:132
335326399262,2cyclictest3622738-21apt-get11:35:110
335326799251,3cyclictest3368757-21apt-get07:25:112
335326799251,3cyclictest0-21swapper/210:40:112
335326799251,21cyclictest0-21swapper/212:25:102
335326799251,21cyclictest0-21swapper/210:10:122
335326799251,21cyclictest0-21swapper/207:20:112
335326699252,20cyclictest3353502-21apt-get07:10:121
335326699250,1cyclictest0-21swapper/107:20:121
335326399252,2cyclictest3394566-21apt-get07:50:120
335326399252,21cyclictest3592392-21apt-get11:05:110
335326399252,21cyclictest3582276-21apt-get10:55:130
335326399251,3cyclictest3378911-21apt-get07:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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