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2026-02-17 - 16:34
[ 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 Tue Feb 17, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281372337315,5sleep10-21swapper/107:06:231
282992328322,4sleep00-21swapper/007:08:260
283532323309,4sleep20-21swapper/207:09:092
282302314306,5sleep30-21swapper/307:07:343
28685993130,312cyclictest11756-21kworker/u16:2+efi_rts_wq11:37:421
28684993120,310cyclictest14148-21kworker/u16:1+efi_rts_wq10:40:130
28685993110,310cyclictest23562-21kworker/u16:0+efi_rts_wq07:15:141
28686993100,309cyclictest27604-21kworker/u16:3+efi_rts_wq11:52:462
28685993100,309cyclictest4025-21kworker/u16:2+efi_rts_wq09:45:101
28686993090,308cyclictest13985-21kworker/u16:3+efi_rts_wq09:50:142
28685993080,307cyclictest4025-21kworker/u16:2+efi_rts_wq10:02:241
28685993080,307cyclictest4025-21kworker/u16:2+efi_rts_wq09:15:131
28687993070,306cyclictest10891-21kworker/u16:1+efi_rts_wq08:20:123
28685993070,306cyclictest4025-21kworker/u16:2+efi_rts_wq10:20:121
28685993070,306cyclictest4025-21kworker/u16:2+efi_rts_wq10:20:111
28685993070,306cyclictest13985-21kworker/u16:3+efi_rts_wq09:40:151
28685993070,306cyclictest11756-21kworker/u16:2+efi_rts_wq11:30:141
28687993060,305cyclictest17999-21kworker/u16:0+efi_rts_wq08:35:143
28686993060,305cyclictest4025-21kworker/u16:2+efi_rts_wq08:42:102
28687993050,304cyclictest27604-21kworker/u16:3+efi_rts_wq11:55:123
28686993050,304cyclictest4025-21kworker/u16:2+efi_rts_wq10:10:132
28686993040,303cyclictest10891-21kworker/u16:1+efi_rts_wq08:45:122
28685993040,303cyclictest721-21kworker/u16:0+efi_rts_wq10:50:131
28687993020,301cyclictest27604-21kworker/u16:3+efi_rts_wq12:15:113
28684993020,299cyclictest14816-21kworker/u16:1+efi_rts_wq12:30:110
28686993010,300cyclictest4025-21kworker/u16:2+efi_rts_wq10:05:132
28687993000,299cyclictest4025-21kworker/u16:2+efi_rts_wq10:30:133
28685993000,299cyclictest17999-21kworker/u16:0+efi_rts_wq08:27:051
28687992990,298cyclictest28202-21kworker/u16:2+efi_rts_wq07:10:123
28686992990,297cyclictest11756-21kworker/u16:2+efi_rts_wq11:40:142
28687992970,296cyclictest17999-21kworker/u16:0+efi_rts_wq08:25:143
28687992970,296cyclictest13985-21kworker/u16:3+efi_rts_wq09:27:173
28686992970,296cyclictest28202-21kworker/u16:2+efi_rts_wq07:11:532
28684992970,294cyclictest10891-21kworker/u16:1+efi_rts_wq09:10:130
28686992960,295cyclictest13985-21kworker/u16:3+efi_rts_wq09:30:132
28684992960,295cyclictest31702-21kworker/u16:3+efi_rts_wq07:20:140
28687992950,294cyclictest17999-21kworker/u16:0+efi_rts_wq08:05:153
28685992940,293cyclictest17229-21kworker/u16:2+efi_rts_wq12:25:131
28686992930,292cyclictest23562-21kworker/u16:0+efi_rts_wq07:25:152
28684992930,292cyclictest27604-21kworker/u16:3+efi_rts_wq12:12:490
28687992910,290cyclictest14531-21kworker/u16:1+efi_rts_wq11:35:123
28686992910,289cyclictest721-21kworker/u16:0+efi_rts_wq11:15:132
28684992890,288cyclictest3351-21kworker/u16:2+efi_rts_wq07:26:560
28684992890,288cyclictest23562-21kworker/u16:0+efi_rts_wq07:35:120
28687992870,286cyclictest721-21kworker/u16:0+efi_rts_wq11:25:133
28685992870,285cyclictest4025-21kworker/u16:2+efi_rts_wq09:35:121
28687992860,285cyclictest3480-21kworker/u16:3+efi_rts_wq10:55:153
28685992860,285cyclictest13985-21kworker/u16:3+efi_rts_wq09:25:131
28685992850,284cyclictest28202-21kworker/u16:2+efi_rts_wq07:10:111
28684992850,284cyclictest7408-21kworker/u16:0+efi_rts_wq12:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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