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2026-01-20 - 10:45
[ 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 Tue Jan 20, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2396899300,29cyclictest20583-21latency_hist22:29:593
2396299300,2cyclictest18248-21cron22:25:001
2396899290,28cyclictest1941-21munin-run21:50:003
2396899290,28cyclictest0-21swapper/323:20:133
2396899290,28cyclictest0-21swapper/323:10:003
2396899290,28cyclictest0-21swapper/300:00:133
2396899290,1cyclictest3715-21latency_hist20:45:013
23963992927,1cyclictest621-21dbus-daemon20:45:012
2396399290,28cyclictest12766-21awk19:55:022
2396399290,28cyclictest0-21swapper/219:35:132
23962992927,1cyclictest1-21systemd00:00:011
2396299290,28cyclictest4496-21apt-get23:05:021
23961992927,1cyclictest6014-21cron20:49:590
2396199290,28cyclictest6089-21apt-get19:40:130
2396199290,28cyclictest23783-21munin-run23:45:010
2396199290,28cyclictest12053-21apt-get23:20:120
23968992826,1cyclictest0-21swapper/300:15:013
2396899280,0cyclictest0-21swapper/321:25:123
2396899280,0cyclictest0-21swapper/320:25:133
2396899280,0cyclictest0-21swapper/319:15:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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