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2026-01-19 - 04:44
[ 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 Mon Jan 19, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
685999300,29cyclictest621-21dbus-daemon21:50:013
685999300,29cyclictest307-21systemd-journal00:20:003
6859992927,1cyclictest621-21dbus-daemon22:20:013
685999290,28cyclictest3543-21sendmail-msp21:20:003
685999290,28cyclictest3543-21sendmail-msp21:20:003
685899290,28cyclictest0-21swapper/223:30:112
6857992928,1cyclictest621-21dbus-daemon00:05:001
6857992927,1cyclictest621-21dbus-daemon23:05:021
685999280,27cyclictest0-21swapper/320:45:123
685999280,27cyclictest0-21swapper/300:30:113
685999280,27cyclictest0-21swapper/300:30:113
6858992828,0cyclictest0-21swapper/223:05:162
6858992828,0cyclictest0-21swapper/220:30:142
6858992827,1cyclictest9255-21apt-get23:50:132
6858992827,1cyclictest17795-21apt-get21:50:112
685899280,0cyclictest1481-21apt-get21:15:122
685899280,0cyclictest1481-21apt-get21:15:122
685899280,0cyclictest0-21swapper/220:55:112
685899280,0cyclictest0-21swapper/220:35:102
6857992826,1cyclictest3764-21cron22:30:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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