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2026-02-05 - 15:00
[ 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 50 highest latencies:
System rackcslot3s.osadl.org (updated Wed Feb 04, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95012323317,4sleep20-21swapper/207:06:372
95522322315,5sleep30-21swapper/307:07:183
96092320307,4sleep10-21swapper/107:08:001
10027993200,317cyclictest14391-21kworker/u16:2+efi_rts_wq10:35:130
94072316302,5sleep00-21swapper/007:05:260
10030993150,314cyclictest14391-21kworker/u16:2+efi_rts_wq08:25:143
10027993130,312cyclictest20946-21kworker/u16:1+efi_rts_wq07:15:010
10030993110,310cyclictest21717-21kworker/u16:3+efi_rts_wq12:05:113
10030993110,310cyclictest14391-21kworker/u16:2+efi_rts_wq10:40:143
10030993090,308cyclictest20946-21kworker/u16:1+efi_rts_wq08:30:123
10027993090,308cyclictest24012-21kworker/u16:2+efi_rts_wq11:52:200
10027993080,307cyclictest20946-21kworker/u16:1+efi_rts_wq09:50:130
10027993070,305cyclictest6642-21kworker/u16:0+efi_rts_wq11:15:110
10030993060,305cyclictest21717-21kworker/u16:3+efi_rts_wq11:25:133
10030993060,305cyclictest14391-21kworker/u16:2+efi_rts_wq08:55:123
10029993060,305cyclictest6642-21kworker/u16:0+efi_rts_wq11:10:122
10028993060,304cyclictest6642-21kworker/u16:0+efi_rts_wq10:50:141
10027993060,305cyclictest20946-21kworker/u16:1+efi_rts_wq09:41:550
10030993050,304cyclictest20946-21kworker/u16:1+efi_rts_wq07:25:143
10027993040,303cyclictest21717-21kworker/u16:3+efi_rts_wq12:35:110
10028993030,301cyclictest20946-21kworker/u16:1+efi_rts_wq09:00:141
10028993020,301cyclictest14391-21kworker/u16:2+efi_rts_wq07:55:141
10028993010,300cyclictest6642-21kworker/u16:0+efi_rts_wq11:10:131
10027993010,300cyclictest14391-21kworker/u16:2+efi_rts_wq10:05:120
10029993000,299cyclictest14391-21kworker/u16:2+efi_rts_wq08:00:132
10028993000,299cyclictest20946-21kworker/u16:1+efi_rts_wq10:00:111
10027993000,298cyclictest14391-21kworker/u16:2+efi_rts_wq10:40:140
10028992990,298cyclictest24012-21kworker/u16:2+efi_rts_wq12:00:141
10028992990,298cyclictest14391-21kworker/u16:2+efi_rts_wq10:27:051
10029992980,297cyclictest21717-21kworker/u16:3+efi_rts_wq11:20:132
10028992980,297cyclictest20946-21kworker/u16:1+efi_rts_wq09:11:511
10027992970,296cyclictest21717-21kworker/u16:3+efi_rts_wq12:05:120
10030992960,295cyclictest14391-21kworker/u16:2+efi_rts_wq07:40:113
10028992960,293cyclictest20946-21kworker/u16:1+efi_rts_wq08:30:121
10027992960,295cyclictest21717-21kworker/u16:3+efi_rts_wq11:20:130
10027992960,295cyclictest20946-21kworker/u16:1+efi_rts_wq10:22:030
10028992940,293cyclictest20946-21kworker/u16:1+efi_rts_wq10:20:121
10028992940,293cyclictest14391-21kworker/u16:2+efi_rts_wq08:56:471
10030992930,292cyclictest20946-21kworker/u16:1+efi_rts_wq10:12:023
10030992930,292cyclictest14391-21kworker/u16:2+efi_rts_wq09:46:563
10028992930,292cyclictest21717-21kworker/u16:3+efi_rts_wq12:15:141
10030992920,291cyclictest14391-21kworker/u16:2+efi_rts_wq09:20:153
10029992920,291cyclictest20946-21kworker/u16:1+efi_rts_wq10:30:122
10029992920,291cyclictest14391-21kworker/u16:2+efi_rts_wq10:15:132
10028992910,290cyclictest20946-21kworker/u16:1+efi_rts_wq07:25:141
10028992910,289cyclictest21717-21kworker/u16:3+efi_rts_wq11:25:111
10029992900,289cyclictest11683-21kworker/u16:3+efi_rts_wq11:07:112
10028992890,288cyclictest14391-21kworker/u16:2+efi_rts_wq09:30:131
10028992870,286cyclictest14391-21kworker/u16:2+efi_rts_wq10:15:131
10030992850,284cyclictest14391-21kworker/u16:2+efi_rts_wq08:51:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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