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2026-01-23 - 11:23
[ 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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack5slot2.osadl.org (updated Fri Jan 23, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176792204188,11sleep10-21swapper/119:08:561
175522189172,12sleep30-21swapper/319:07:173
175172180163,12sleep00-21swapper/019:06:500
17583210891,12sleep20-21swapper/219:07:412
316922450,0sleep10-21swapper/122:38:491
1793599100,3cyclictest25497-21apt-get22:20:000
1793599100,2cyclictest11072-21ssh23:32:400
28062280,0sleep00-21swapper/000:13:480
179359982,3cyclictest3909-21perf20:50:010
179359982,3cyclictest3338-21basename22:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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