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2026-02-21 - 14:57
[ 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 rackeslot2.osadl.org (updated Sat Feb 21, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
403961821100,2sleep30-21swapper/300:02:123
376906021010,1sleep10-21swapper/121:31:281
36772932960,1sleep20-21swapper/220:22:162
38502252460,2sleep13850203-21ssh22:17:051
3584444992421,1cyclictest0-21swapper/200:00:012
3584443992419,3cyclictest257-21systemd-journal20:00:001
3584443992418,2cyclictest134050irq/121-eno121:10:161
358444299241,18cyclictest3858917-21diskstats22:22:050
39259752230,1sleep13925978-21unixbench-2d22:57:171
3584442992317,5cyclictest3901190-21sh22:45:010
3584442992312,7cyclictest4057995-21kthreadcore00:12:110
3584442992312,7cyclictest4057995-21kthreadcore00:12:110
3584442992311,8cyclictest4020972-21kthreadcore23:52:100
3584444992212,1cyclictest0-21swapper/219:25:002
3584443992215,2cyclictest134050irq/121-eno122:45:031
3584442992213,8cyclictest0-21swapper/023:42:030
3584444992118,1cyclictest0-21swapper/219:30:002
3584444992117,2cyclictest0-21swapper/222:05:012
3584444992112,1cyclictest0-21swapper/223:05:012
3584443992111,4cyclictest0-21swapper/122:22:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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