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2026-02-22 - 19:22
[ 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 10 highest latencies:
System rack5slot3.osadl.org (updated Sun Feb 22, 2026 12:50:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248879956314,85cyclictest0-21swapper/111:55:471
248929946480,211cyclictest0-21swapper/611:43:256
248899946340,256cyclictest0-21swapper/311:55:483
248869945832,211cyclictest0-21swapper/010:32:350
248889944222,335cyclictest0-21swapper/212:26:562
248939943897,338cyclictest0-21swapper/711:43:167
248929943815,256cyclictest0-21swapper/611:55:476
248909943412,253cyclictest0-21swapper/412:26:334
248869942786,338cyclictest0-21swapper/011:43:240
248869942482,210cyclictest9-21ksoftirqd/010:48:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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