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2026-01-21 - 06:34
[ 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 Wed Jan 21, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211022220154,21sleep20-21swapper/219:07:292
212952211185,17sleep30-21swapper/319:09:583
211902205171,23sleep10-21swapper/119:08:351
211272202168,23sleep00-21swapper/019:07:470
2129828965,12sleep10-21swapper/119:10:001
139291760,1ptp4l9822-21ls19:50:213
21592997036,9cyclictest41-21ksoftirqd/323:20:003
21592996934,4cyclictest41-21ksoftirqd/323:10:003
21592996826,4cyclictest41-21ksoftirqd/320:35:143
21592996634,4cyclictest41-21ksoftirqd/323:10:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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