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2026-01-25 - 08:37
[ 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
Characteristics of the 10 highest latencies:
System rackdslot2.osadl.org (updated Sun Jan 25, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278462226198,18sleep10-21swapper/119:09:591
278262207174,22sleep20-21swapper/219:09:442
276862207173,22sleep30-21swapper/319:07:563
277552205170,23sleep00-21swapper/019:08:490
3156921410,5sleep12814199cyclictest23:45:131
1395918262,11phc2sys0-21swapper/319:10:013
28140996332,7cyclictest9-21ksoftirqd/000:25:000
28140996325,11cyclictest9-21ksoftirqd/000:10:180
28140996225,10cyclictest9-21ksoftirqd/019:35:190
28140996028,3cyclictest9-21ksoftirqd/021:15:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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