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2026-01-17 - 19:07
[ 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 100 highest latencies:
System rackcslot3s.osadl.org (updated Sat Jan 17, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268332325298,24sleep00-21swapper/007:09:040
267742321314,5sleep30-21swapper/307:08:193
267982319313,4sleep20-21swapper/207:08:382
27172993150,314cyclictest22963-21kworker/u16:1+efi_rts_wq08:45:110
266302315308,4sleep10-21swapper/107:06:291
27173993130,312cyclictest22963-21kworker/u16:1+efi_rts_wq08:50:141
27172993130,312cyclictest25108-21kworker/u16:0+efi_rts_wq11:55:130
27174993110,310cyclictest25108-21kworker/u16:0+efi_rts_wq12:25:142
27173993110,310cyclictest25108-21kworker/u16:0+efi_rts_wq11:03:001
27175993080,307cyclictest31031-21kworker/u16:0+efi_rts_wq08:02:293
27174993080,307cyclictest22963-21kworker/u16:1+efi_rts_wq08:45:112
27172993080,307cyclictest31031-21kworker/u16:0+efi_rts_wq07:20:120
27174993070,306cyclictest27639-21kworker/u16:3+efi_rts_wq10:55:132
27173993070,306cyclictest31031-21kworker/u16:0+efi_rts_wq07:10:131
27174993060,303cyclictest3960-21kworker/u16:3+efi_rts_wq07:25:122
27174993060,303cyclictest25108-21kworker/u16:0+efi_rts_wq11:30:132
27172993060,305cyclictest31031-21kworker/u16:0+efi_rts_wq08:10:140
27173993050,304cyclictest16704-21kworker/u16:2+efi_rts_wq12:18:161
27172993050,304cyclictest25108-21kworker/u16:0+efi_rts_wq12:35:120
27172993040,302cyclictest25108-21kworker/u16:0+efi_rts_wq11:15:110
27173993030,302cyclictest31031-21kworker/u16:0+efi_rts_wq07:55:121
27173993030,301cyclictest14668-21kworker/u16:3+efi_rts_wq10:35:131
27175993010,300cyclictest22963-21kworker/u16:1+efi_rts_wq09:30:153
27175993000,299cyclictest32718-21kworker/u16:1+efi_rts_wq10:25:133
27172993000,299cyclictest28575-21kworker/u16:2+efi_rts_wq10:10:140
27172993000,299cyclictest28575-21kworker/u16:2+efi_rts_wq10:10:130
27174992990,297cyclictest31771-21kworker/u16:2+efi_rts_wq09:15:142
27174992970,296cyclictest31031-21kworker/u16:0+efi_rts_wq08:05:142
27173992970,296cyclictest25108-21kworker/u16:0+efi_rts_wq11:40:111
27175992960,295cyclictest563-21kworker/u16:3+efi_rts_wq11:13:023
27175992960,295cyclictest31031-21kworker/u16:0+efi_rts_wq07:20:123
27175992960,295cyclictest14668-21kworker/u16:3+efi_rts_wq10:45:163
27173992960,295cyclictest563-21kworker/u16:3+efi_rts_wq11:20:111
27173992960,295cyclictest16704-21kworker/u16:2+efi_rts_wq12:30:131
27173992940,292cyclictest28575-21kworker/u16:2+efi_rts_wq09:55:131
27175992930,292cyclictest31031-21kworker/u16:0+efi_rts_wq07:47:283
27173992930,291cyclictest19652-21kworker/u16:1+efi_rts_wq11:05:131
27173992920,291cyclictest22963-21kworker/u16:1+efi_rts_wq08:40:141
27174992910,290cyclictest25108-21kworker/u16:0+efi_rts_wq11:40:112
27175992900,289cyclictest31771-21kworker/u16:2+efi_rts_wq08:42:363
27175992880,287cyclictest16704-21kworker/u16:2+efi_rts_wq12:30:123
27173992880,287cyclictest32718-21kworker/u16:1+efi_rts_wq10:22:531
27174992870,286cyclictest4056-21kworker/u16:0+efi_rts_wq09:00:142
27172992870,286cyclictest32718-21kworker/u16:1+efi_rts_wq10:05:130
27172992870,286cyclictest32718-21kworker/u16:1+efi_rts_wq10:05:120
27175992850,284cyclictest31031-21kworker/u16:0+efi_rts_wq07:35:133
27173992850,284cyclictest563-21kworker/u16:3+efi_rts_wq11:18:041
27175992840,282cyclictest25108-21kworker/u16:0+efi_rts_wq11:15:113
27172992830,282cyclictest16704-21kworker/u16:2+efi_rts_wq12:00:120
27172992820,281cyclictest26288-21kworker/u16:0+efi_rts_wq09:47:480
27174992810,280cyclictest19652-21kworker/u16:1+efi_rts_wq10:50:122
27175992800,279cyclictest18167-21kworker/u16:3+efi_rts_wq09:40:143
27172992800,279cyclictest32718-21kworker/u16:1+efi_rts_wq10:25:140
27175992790,278cyclictest25108-21kworker/u16:0+efi_rts_wq12:20:113
27175992770,276cyclictest22963-21kworker/u16:1+efi_rts_wq08:30:133
27175992770,276cyclictest16704-21kworker/u16:2+efi_rts_wq11:48:103
27175992750,274cyclictest16704-21kworker/u16:2+efi_rts_wq12:15:133
27173992750,274cyclictest14359-21kworker/u16:3+efi_rts_wq08:00:121
27172992750,274cyclictest31031-21kworker/u16:0+efi_rts_wq07:45:140
27174992740,273cyclictest14359-21kworker/u16:3+efi_rts_wq08:12:312
27173992740,273cyclictest31031-21kworker/u16:0+efi_rts_wq07:15:131
27173992720,271cyclictest25108-21kworker/u16:0+efi_rts_wq12:05:131
27172992700,269cyclictest16704-21kworker/u16:2+efi_rts_wq12:28:170
27175992690,268cyclictest4056-21kworker/u16:0+efi_rts_wq09:05:123
27173992690,268cyclictest14359-21kworker/u16:3+efi_rts_wq08:15:141
27172992690,268cyclictest31771-21kworker/u16:2+efi_rts_wq08:35:160
27175992670,266cyclictest4477-21kworker/u16:0+efi_rts_wq10:20:133
27175992650,263cyclictest14668-21kworker/u16:3+efi_rts_wq10:30:123
27173992650,264cyclictest19652-21kworker/u16:1+efi_rts_wq11:10:111
27175992640,263cyclictest25108-21kworker/u16:0+efi_rts_wq11:58:133
27173992630,262cyclictest31771-21kworker/u16:2+efi_rts_wq08:55:111
27173992630,262cyclictest31031-21kworker/u16:0+efi_rts_wq08:05:131
27173992630,262cyclictest14359-21kworker/u16:3+efi_rts_wq08:20:141
27172992630,261cyclictest16704-21kworker/u16:2+efi_rts_wq11:50:150
27173992620,261cyclictest25108-21kworker/u16:0+efi_rts_wq10:52:581
27172992600,259cyclictest18167-21kworker/u16:3+efi_rts_wq09:40:140
27173992580,257cyclictest31031-21kworker/u16:0+efi_rts_wq07:30:131
27172992580,257cyclictest22963-21kworker/u16:1+efi_rts_wq08:40:140
27175992560,255cyclictest19652-21kworker/u16:1+efi_rts_wq10:40:133
27173992560,255cyclictest18167-21kworker/u16:3+efi_rts_wq09:50:121
27175992550,254cyclictest18167-21kworker/u16:3+efi_rts_wq09:45:143
27173992540,252cyclictest16704-21kworker/u16:2+efi_rts_wq11:45:131
27172992530,252cyclictest31031-21kworker/u16:0+efi_rts_wq08:22:330
27175992510,250cyclictest4056-21kworker/u16:0+efi_rts_wq09:17:413
27172992500,249cyclictest16704-21kworker/u16:2+efi_rts_wq12:10:140
27175992480,247cyclictest563-21kworker/u16:3+efi_rts_wq11:20:113
27175992470,246cyclictest19652-21kworker/u16:1+efi_rts_wq11:25:143
27175992460,245cyclictest25108-21kworker/u16:0+efi_rts_wq11:43:083
27172992460,245cyclictest31031-21kworker/u16:0+efi_rts_wq07:50:320
27174992450,244cyclictest18167-21kworker/u16:3+efi_rts_wq09:45:142
27173992420,241cyclictest18167-21kworker/u16:3+efi_rts_wq09:20:131
27174992410,240cyclictest18167-21kworker/u16:3+efi_rts_wq09:22:432
27174992400,238cyclictest25108-21kworker/u16:0+efi_rts_wq11:15:112
27172992390,238cyclictest31771-21kworker/u16:2+efi_rts_wq09:35:140
27175992380,237cyclictest22963-21kworker/u16:1+efi_rts_wq08:25:213
27174992340,233cyclictest28575-21kworker/u16:2+efi_rts_wq10:02:502
27172992340,233cyclictest31031-21kworker/u16:0+efi_rts_wq07:15:120
27173992330,232cyclictest32718-21kworker/u16:1+efi_rts_wq10:27:541
27174992320,228cyclictest14359-21kworker/u16:3+efi_rts_wq08:20:142
27175992310,230cyclictest4056-21kworker/u16:0+efi_rts_wq09:12:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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