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2026-02-01 - 14:40
[ 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 Sat Jan 31, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591225163,50phc2sys0-21swapper/307:09:553
124072207174,22sleep20-21swapper/207:09:312
123152206172,23sleep10-21swapper/107:08:221
121752204170,23sleep00-21swapper/007:06:310
124482172132,14sleep00-21swapper/007:10:010
2290721440,2sleep10-21swapper/107:30:161
139291990,78ptp4l0-21swapper/307:10:013
139291790,1ptp4l391rcuc/308:35:263
12742997228,5cyclictest33-21ksoftirqd/212:35:272
12742996530,6cyclictest33-21ksoftirqd/212:20:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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