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2026-03-01 - 16:47
[ 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 Mar 01, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591232168,52phc2sys0-21swapper/307:08:463
94622213168,34sleep10-21swapper/107:08:341
94312206172,23sleep20-21swapper/207:08:112
92322200167,22sleep00-21swapper/007:05:360
139591134106,15phc2sys0-21swapper/307:10:013
987499690,29cyclictest7997-21irqrtprio11:35:180
987499690,24cyclictest21447-21ls10:55:190
9876996829,8cyclictest33-21ksoftirqd/210:30:262
987499680,22cyclictest25626-21sed08:50:140
987499671,22cyclictest17497-21unixbench_singl08:30:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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