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2026-02-21 - 08:37
[ 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 Feb 21, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591234167,22phc2sys0-21swapper/319:08:163
95622207172,24sleep20-21swapper/219:05:572
98082205172,22sleep00-21swapper/019:09:090
97642204171,22sleep10-21swapper/119:08:331
781621740,4sleep11016899cyclictest22:25:211
1898321470,8sleep11016899cyclictest20:35:131
2112921310,4sleep01016799cyclictest22:55:020
10062690,4sleep09-21ksoftirqd/022:10:250
1017099675,21cyclictest19889-21latency22:50:193
168062650,7sleep31017099cyclictest20:30:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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