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2026-01-18 - 05:13
[ 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 Sun Jan 18, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1933899300,29cyclictest2285-21idleruntime-cro20:50:013
19329993028,1cyclictest0-21swapper/020:35:000
1932999300,1cyclictest307-21systemd-journal00:05:010
1933899290,28cyclictest4112-21munin-run00:25:003
1933699290,28cyclictest26562-21apt-get21:45:132
1933699290,28cyclictest0-21swapper/222:15:122
1933699290,28cyclictest0-21swapper/221:20:132
1933299290,28cyclictest0-21swapper/122:40:101
1933299290,28cyclictest0-21swapper/121:50:121
19338992827,1cyclictest9940-21munin-run21:10:003
1933899280,28cyclictest0-21swapper/322:20:123
1933899280,0cyclictest0-21swapper/320:35:103
19336992828,0cyclictest4066-21apt-get19:45:142
19336992826,1cyclictest0-21swapper/221:00:002
1933699280,27cyclictest1656-21apt-get23:10:122
19329992828,0cyclictest0-21swapper/021:55:120
1932999280,27cyclictest4617-21perf20:55:000
1932999280,27cyclictest0-21swapper/021:40:120
1932999280,0cyclictest0-21swapper/020:15:130
19338992727,0cyclictest8100-21apt-get22:15:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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