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2026-02-21 - 20:27
[ 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 50 highest latencies:
System rackcslot3s.osadl.org (updated Sat Feb 21, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31452320313,5sleep30-21swapper/307:06:183
32462318312,4sleep20-21swapper/207:07:342
31072317303,5sleep00-21swapper/007:05:460
30932315307,5sleep10-21swapper/107:05:351
3703993120,309cyclictest20768-21kworker/u16:1+efi_rts_wq09:10:143
3700993120,311cyclictest6732-21kworker/u16:1+efi_rts_wq10:25:120
3703993110,310cyclictest27484-21kworker/u16:4+efi_rts_wq09:25:123
3700993110,310cyclictest6732-21kworker/u16:1+efi_rts_wq09:55:120
3700993110,310cyclictest22479-21kworker/u16:1+efi_rts_wq12:00:130
3701993100,309cyclictest32338-21kworker/u16:3+efi_rts_wq11:40:161
3701993090,308cyclictest6732-21kworker/u16:1+efi_rts_wq09:45:141
3700993090,308cyclictest8385-21kworker/u16:2+efi_rts_wq11:05:130
3700993090,308cyclictest27484-21kworker/u16:4+efi_rts_wq08:00:120
3702993060,305cyclictest6732-21kworker/u16:1+efi_rts_wq10:35:132
3701993060,305cyclictest11722-21kworker/u16:0+efi_rts_wq10:28:001
3702993050,304cyclictest32338-21kworker/u16:3+efi_rts_wq11:50:122
3703993040,303cyclictest29825-21kworker/u16:2+efi_rts_wq09:40:133
3702993040,303cyclictest26807-21kworker/u16:0+efi_rts_wq12:30:132
3701993030,302cyclictest18401-21kworker/u16:0+efi_rts_wq09:00:121
3701993020,301cyclictest27484-21kworker/u16:4+efi_rts_wq09:32:521
3702993000,299cyclictest28733-21kworker/u16:0+efi_rts_wq07:17:312
3702992990,298cyclictest11722-21kworker/u16:0+efi_rts_wq10:05:132
3700992990,298cyclictest22865-21kworker/u16:1+efi_rts_wq07:57:350
3702992970,296cyclictest28733-21kworker/u16:0+efi_rts_wq07:20:122
3701992970,296cyclictest27484-21kworker/u16:4+efi_rts_wq08:00:131
3701992970,296cyclictest11722-21kworker/u16:0+efi_rts_wq10:50:121
3701992970,296cyclictest11722-21kworker/u16:0+efi_rts_wq10:50:121
3701992960,295cyclictest13208-21kworker/u16:3+efi_rts_wq08:52:451
3700992960,295cyclictest32338-21kworker/u16:3+efi_rts_wq11:40:150
3700992960,295cyclictest11722-21kworker/u16:0+efi_rts_wq09:50:130
3703992950,294cyclictest27484-21kworker/u16:4+efi_rts_wq09:35:133
3703992950,294cyclictest13208-21kworker/u16:3+efi_rts_wq08:30:133
3702992940,293cyclictest6732-21kworker/u16:1+efi_rts_wq10:20:122
3702992940,293cyclictest28733-21kworker/u16:0+efi_rts_wq07:27:322
3702992930,292cyclictest11722-21kworker/u16:0+efi_rts_wq10:55:122
3702992920,291cyclictest32338-21kworker/u16:3+efi_rts_wq11:35:122
3701992900,289cyclictest10157-21kworker/u16:2+efi_rts_wq12:10:131
3700992900,289cyclictest6732-21kworker/u16:1+efi_rts_wq10:20:130
3703992890,288cyclictest8385-21kworker/u16:2+efi_rts_wq11:03:063
3702992890,288cyclictest27484-21kworker/u16:4+efi_rts_wq09:22:512
3700992890,287cyclictest15578-21kworker/u16:2+efi_rts_wq07:35:120
3703992880,287cyclictest27484-21kworker/u16:4+efi_rts_wq08:40:143
3701992880,287cyclictest28733-21kworker/u16:0+efi_rts_wq07:10:121
3701992850,284cyclictest11722-21kworker/u16:0+efi_rts_wq10:45:161
3701992850,284cyclictest11722-21kworker/u16:0+efi_rts_wq10:45:151
3700992850,284cyclictest11722-21kworker/u16:0+efi_rts_wq11:25:130
3701992830,282cyclictest13208-21kworker/u16:3+efi_rts_wq08:10:131
3700992810,279cyclictest32338-21kworker/u16:3+efi_rts_wq11:50:110
3700992790,278cyclictest13208-21kworker/u16:3+efi_rts_wq08:05:130
3702992780,277cyclictest8385-21kworker/u16:2+efi_rts_wq11:00:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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