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2026-06-16 - 16:47
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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 Jun 16, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
419099099261,21cyclictest89137-21apt-get08:40:113
4190988992618,2cyclictest4190995-21latency_hist07:10:002
419098599261,21cyclictest4191200-21apt-get07:10:111
4190988992520,3cyclictest272546-21apt-get11:40:132
419098899251,21cyclictest297752-21apt-get12:05:122
419098899251,20cyclictest37682-21apt-get07:50:132
4190985992520,3cyclictest323482-21apt-get12:30:111
419098599251,4cyclictest180435-21munin-run10:10:011
4190981992522,2cyclictest0-21swapper/007:49:590
419098199252,21cyclictest22549-21apt-get07:35:130
419098199251,22cyclictest99246-21apt-get08:50:140
419098199251,22cyclictest211907-21irqcore10:40:170
419098199251,21cyclictest7361-21apt-get07:20:130
419099099241,20cyclictest119889-21apt-get09:10:113
419098899242,2cyclictest226538-21apt-get10:55:122
419098899241,2cyclictest236452-21gpgv11:05:002
419098899241,20cyclictest47766-21apt-get08:00:122
419098899241,20cyclictest27601-21apt-get07:40:122
4190985992420,2cyclictest165491-21apt-get09:55:121
419098599241,21cyclictest0-21swapper/110:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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