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2026-02-28 - 13:26
[ 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 20 highest latencies:
System rackeslot5.osadl.org (updated Sat Feb 28, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32270993636,0cyclictest19310-21apt-get19:50:111
3227699300,1cyclictest307-21systemd-journal22:00:013
3227099300,2cyclictest649-21gdbus21:50:001
3227099300,29cyclictest625-21avahi-daemon21:35:011
32267993027,2cyclictest12290-21cron20:45:010
3226799300,1cyclictest307-21systemd-journal23:00:010
3227499290,28cyclictest28622-21apt-get20:10:122
3227099290,28cyclictest0-21swapper/119:10:101
3227099290,1cyclictest22706-21apt-get22:15:111
32267992928,0cyclictest0-21swapper/022:10:120
32267992926,2cyclictest13-21ksoftirqd/020:29:590
3226799290,28cyclictest0-21swapper/020:35:120
3227699280,28cyclictest0-21swapper/321:15:003
3227699280,27cyclictest0-21swapper/321:35:103
3227699280,0cyclictest0-21swapper/320:35:123
32274992826,1cyclictest15440-21apt-get22:00:102
3227499280,28cyclictest23714-21perf20:00:022
3227499280,28cyclictest0-21swapper/221:00:122
32270992828,0cyclictest23976-21apt-get20:00:111
32270992828,0cyclictest0-21swapper/100:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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