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2026-02-24 - 17:46
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Tue Feb 24, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3041421110,6chrt30411-21grep07:40:470
1769599942,66cyclictest17474-21cron11:40:000
1669729437,40sleep00-21swapper/007:05:280
17703999019,56cyclictest0-21swapper/107:15:121
17703999014,60cyclictest0-21swapper/109:15:121
1769599905,61cyclictest0-21swapper/010:00:120
17703998917,57cyclictest0-21swapper/108:35:241
1722028834,43sleep10-21swapper/107:06:461
1770399877,68cyclictest3866-21apt-get09:30:101
1770399876,69cyclictest16735-21apt-get10:05:131
17703998715,55cyclictest0-21swapper/110:55:111
17703998713,58cyclictest0-21swapper/110:45:101
17703998712,61cyclictest0-21swapper/111:30:121
1770399867,67cyclictest25782-21apt-get09:00:131
1770399866,66cyclictest14996-21apt-get10:00:141
1770399857,67cyclictest29312-21apt-get09:10:131
1770399857,63cyclictest21812-21apt-get07:20:121
17703998515,62cyclictest0-21swapper/110:10:131
17703998515,62cyclictest0-21swapper/110:10:121
17703998515,60cyclictest0-21swapper/112:05:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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