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2026-01-23 - 09:46
[ 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 rackeslot5.osadl.org (updated Fri Jan 23, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2321899300,29cyclictest9360-21cron19:50:012
2320999300,29cyclictest572-21idleruntime-cro00:05:010
23222992927,1cyclictest15734-21perf22:20:003
2322299290,28cyclictest890-21apt-get20:40:133
2322299290,28cyclictest0-21swapper/320:10:143
2322299290,28cyclictest0-21swapper/300:35:163
23218992928,1cyclictest25369-21apt-get22:40:102
2321899290,1cyclictest0-21swapper/220:55:002
2321899290,1cyclictest0-21swapper/220:55:002
23213992927,1cyclictest21030-21munin-run20:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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