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2026-02-23 - 18:57
[ 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 rackdslot4.osadl.org (updated Mon Feb 23, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591203170,22phc2sys0-21swapper/307:08:013
292672200167,22sleep00-21swapper/007:09:470
289702195162,22sleep20-21swapper/207:05:552
289992194161,23sleep10-21swapper/107:06:191
952821380,3sleep32958099cyclictest09:40:253
952821380,3sleep32958099cyclictest09:40:253
450121130,1sleep10-21swapper/107:25:001
138491630,1ptp4l401ktimersoftd/310:07:163
184582620,7sleep3401ktimersoftd/308:55:163
315892550,3sleep10-21swapper/110:25:201
1385915435,12phc2sys0-21swapper/307:10:003
29577994943,3cyclictest223-21systemd-journal09:25:010
224562470,2sleep10-21swapper/108:00:151
50798430,8rtkit-daemon0-21swapper/110:02:481
138491430,0ptp4l401ktimersoftd/310:54:123
138491430,0ptp4l401ktimersoftd/309:17:033
50798420,7rtkit-daemon0-21swapper/111:27:301
138491420,0ptp4l401ktimersoftd/309:22:453
50798410,5rtkit-daemon0-21swapper/011:40:070
29580994112,4cyclictest41-21ksoftirqd/307:45:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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