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2026-02-05 - 08:48
[ 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 Thu Feb 05, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591206172,23phc2sys0-21swapper/319:05:473
270332205171,23sleep20-21swapper/219:08:152
269442205172,22sleep00-21swapper/019:07:050
268582202169,22sleep10-21swapper/119:05:581
11452800,1sleep11146-21/usr/sbin/munin23:50:191
154712580,2sleep30-21swapper/300:20:183
229472530,1sleep222943-21ptp4l22:20:222
139291530,1ptp4l391rcuc/323:54:273
314092520,3sleep30-21swapper/319:15:273
141012520,2sleep30-21swapper/300:15:293
109222460,2sleep00-21swapper/020:50:150
27463994539,4cyclictest10722-21cron23:05:003
27462994337,3cyclictest33-21ksoftirqd/200:40:002
139291420,0ptp4l401ktimersoftd/323:42:333
139291420,0ptp4l401ktimersoftd/321:59:503
139291420,0ptp4l401ktimersoftd/320:50:203
139291420,0ptp4l401ktimersoftd/319:54:193
27461994136,3cyclictest25-21ksoftirqd/123:35:001
139291410,34ptp4l0-21swapper/319:10:023
139291410,0ptp4l401ktimersoftd/322:56:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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