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2026-01-19 - 06:13
[ 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 Mon Jan 19, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1204322660,9sleep233-21ksoftirqd/219:05:122
139591209175,22phc2sys0-21swapper/319:09:353
138842205172,21sleep10-21swapper/119:07:371
138212205172,22sleep00-21swapper/019:06:480
1951121250,4sleep21436499cyclictest19:20:132
289921240,6sleep21436499cyclictest00:20:252
139291740,1ptp4l25324-21python19:30:263
14363996417,45cyclictest0-21swapper/123:00:251
1436499606,18cyclictest10499-21unixbench_singl00:35:302
1436499584,12cyclictest31576-21latency_hist00:15:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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