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2026-02-26 - 10:08
[ 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 Thu Feb 26, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123742205171,22sleep30-21swapper/319:06:153
124952201167,22sleep00-21swapper/019:07:480
124922201167,22sleep20-21swapper/219:07:462
104342200166,23sleep10-21swapper/119:05:041
586521570,6sleep11295799cyclictest21:05:151
275552630,5sleep125-21ksoftirqd/123:57:411
1295799565,15cyclictest2510-21ls00:10:231
1295799555,16cyclictest7863-21egrep21:10:131
241342530,5sleep124137-21phc2sys-jitter20:35:221
138491530,1ptp4l401ktimersoftd/300:30:153
1295799525,11cyclictest16907-21tr20:20:241
138192510,2sleep00-21swapper/021:20:180
1295799515,16cyclictest6824-21mailstats22:10:221
12958994414,28cyclictest29305-21swap19:40:232
1295799446,8cyclictest22089-21sshd21:36:411
1295999430,6cyclictest7592-21awk21:10:003
138491410,0ptp4l401ktimersoftd/320:20:063
1295799416,7cyclictest13444-21diskstats19:10:141
12959994035,2cyclictest41-21ksoftirqd/322:09:593
12959994026,11cyclictest41-21ksoftirqd/322:00:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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