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2026-01-26 - 06:27
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rackcslot3s.osadl.org (updated Mon Jan 26, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39792328306,5sleep30-21swapper/319:08:213
39532324317,4sleep20-21swapper/219:08:002
38542319304,5sleep00-21swapper/019:06:410
39002318304,5sleep10-21swapper/119:07:191
4377993140,313cyclictest21267-21kworker/u16:3+efi_rts_wq22:40:122
4378993110,310cyclictest21267-21kworker/u16:3+efi_rts_wq23:04:543
4377993110,310cyclictest29488-21kworker/u16:2+efi_rts_wq19:55:122
4377993110,310cyclictest21267-21kworker/u16:3+efi_rts_wq22:00:142
4376993100,309cyclictest21267-21kworker/u16:3+efi_rts_wq21:35:111
4378993090,308cyclictest21267-21kworker/u16:3+efi_rts_wq23:30:133
4376993090,308cyclictest29032-21kworker/u16:1+efi_rts_wq23:35:141
4376993080,307cyclictest29488-21kworker/u16:2+efi_rts_wq20:50:121
4376993080,307cyclictest23341-21kworker/u16:0+efi_rts_wq21:59:441
4376993070,306cyclictest21267-21kworker/u16:3+efi_rts_wq22:45:131
4376993060,305cyclictest21267-21kworker/u16:3+efi_rts_wq23:00:141
4376993060,305cyclictest21267-21kworker/u16:3+efi_rts_wq22:40:121
4376993060,303cyclictest21267-21kworker/u16:3+efi_rts_wq21:50:131
4378993050,304cyclictest964-21kworker/u16:1+efi_rts_wq19:15:143
4378993050,304cyclictest29488-21kworker/u16:2+efi_rts_wq19:20:163
4377993050,304cyclictest23341-21kworker/u16:0+efi_rts_wq21:45:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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