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2026-01-22 - 02:23
[ 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 20 highest latencies:
System rackdslot2.osadl.org (updated Wed Jan 21, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121722234167,22sleep00-21swapper/007:08:300
139591233166,22phc2sys0-21swapper/307:06:123
121022231168,51sleep20-21swapper/207:07:362
122032206171,23sleep10-21swapper/107:08:561
364921720,6sleep31258999cyclictest11:20:133
1395918561,15phc2sys0-21swapper/307:10:013
1229528262,11sleep20-21swapper/207:10:022
139291750,1ptp4l391rcuc/308:00:203
139291690,1ptp4l28683-21vmstat09:55:283
12589996732,7cyclictest41-21ksoftirqd/308:10:013
12589996729,4cyclictest41-21ksoftirqd/312:00:183
12589996625,5cyclictest41-21ksoftirqd/308:15:183
12589996524,7cyclictest41-21ksoftirqd/310:15:193
12589996428,8cyclictest41-21ksoftirqd/310:30:273
12589996328,8cyclictest41-21ksoftirqd/310:10:173
12589996131,3cyclictest41-21ksoftirqd/307:50:183
12589996129,8cyclictest41-21ksoftirqd/308:25:273
12589996129,4cyclictest41-21ksoftirqd/311:15:003
12589996120,8cyclictest41-21ksoftirqd/311:00:183
12589996027,4cyclictest41-21ksoftirqd/312:35:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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