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2026-02-19 - 03:16
[ 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 Thu Feb 19, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308842329322,4sleep10-21swapper/119:08:351
309782320313,5sleep30-21swapper/319:09:453
309552317310,5sleep20-21swapper/219:09:282
307862316308,5sleep00-21swapper/019:07:180
31263993130,312cyclictest8495-21kworker/u16:0+efi_rts_wq23:30:112
31261993130,312cyclictest8495-21kworker/u16:0+efi_rts_wq21:50:120
31261993130,312cyclictest8495-21kworker/u16:0+efi_rts_wq19:40:120
31263993120,311cyclictest31875-21kworker/u16:1+efi_rts_wq23:50:112
31264993110,310cyclictest5888-21kworker/u16:1+efi_rts_wq19:48:573
31264993090,308cyclictest8495-21kworker/u16:0+efi_rts_wq22:04:223
31264993090,308cyclictest5888-21kworker/u16:1+efi_rts_wq19:33:533
31262993090,308cyclictest8495-21kworker/u16:0+efi_rts_wq20:05:141
31262993090,308cyclictest8495-21kworker/u16:0+efi_rts_wq19:20:121
31262993090,308cyclictest5888-21kworker/u16:1+efi_rts_wq22:55:131
31261993090,308cyclictest5888-21kworker/u16:1+efi_rts_wq20:00:120
31264993081,305cyclictest8495-21kworker/u16:0+efi_rts_wq23:24:393
31264993080,307cyclictest8495-21kworker/u16:0+efi_rts_wq23:30:123
31264993080,307cyclictest8495-21kworker/u16:0+efi_rts_wq20:34:053
31264993080,307cyclictest5888-21kworker/u16:1+efi_rts_wq22:39:293
31261993080,307cyclictest8495-21kworker/u16:0+efi_rts_wq23:09:360
31263993060,305cyclictest5888-21kworker/u16:1+efi_rts_wq22:44:302
31261993060,305cyclictest5888-21kworker/u16:1+efi_rts_wq22:35:130
31264993050,304cyclictest5888-21kworker/u16:1+efi_rts_wq22:20:123
31262993050,304cyclictest5888-21kworker/u16:1+efi_rts_wq22:19:251
31261993040,303cyclictest24725-21kworker/u16:3+efi_rts_wq00:25:140
31262993030,302cyclictest24725-21kworker/u16:3+efi_rts_wq00:10:131
31261993020,301cyclictest8495-21kworker/u16:0+efi_rts_wq22:40:120
31264993000,299cyclictest8495-21kworker/u16:0+efi_rts_wq19:15:123
31261993000,299cyclictest8495-21kworker/u16:0+efi_rts_wq21:29:160
31261993000,299cyclictest24725-21kworker/u16:3+efi_rts_wq00:15:120
31263992990,298cyclictest8495-21kworker/u16:0+efi_rts_wq21:20:122
31263992990,298cyclictest8495-21kworker/u16:0+efi_rts_wq21:05:122
31263992990,298cyclictest5888-21kworker/u16:1+efi_rts_wq20:55:132
31261992990,298cyclictest8495-21kworker/u16:0+efi_rts_wq19:55:130
31261992990,298cyclictest8495-21kworker/u16:0+efi_rts_wq19:55:130
31262992980,297cyclictest5888-21kworker/u16:1+efi_rts_wq20:35:131
31262992980,297cyclictest31875-21kworker/u16:1+efi_rts_wq00:20:131
31262992970,296cyclictest5888-21kworker/u16:1+efi_rts_wq21:15:121
31262992960,295cyclictest5888-21kworker/u16:1+efi_rts_wq21:14:131
31262992960,295cyclictest5888-21kworker/u16:1+efi_rts_wq20:30:131
31264992950,294cyclictest31875-21kworker/u16:1+efi_rts_wq00:26:153
31261992950,294cyclictest5888-21kworker/u16:1+efi_rts_wq23:25:130
31261992950,294cyclictest31875-21kworker/u16:1+efi_rts_wq00:36:170
31261992940,293cyclictest8495-21kworker/u16:0+efi_rts_wq23:00:120
31264992920,291cyclictest5888-21kworker/u16:1+efi_rts_wq23:15:123
31263992920,291cyclictest5888-21kworker/u16:1+efi_rts_wq22:05:122
31261992910,288cyclictest8495-21kworker/u16:0+efi_rts_wq20:20:120
31262992900,289cyclictest5888-21kworker/u16:1+efi_rts_wq22:29:271
31262992880,287cyclictest5888-21kworker/u16:1+efi_rts_wq21:25:151
31262992880,287cyclictest5888-21kworker/u16:1+efi_rts_wq20:55:141
31263992870,286cyclictest5888-21kworker/u16:1+efi_rts_wq20:30:122
31263992860,285cyclictest5888-21kworker/u16:1+efi_rts_wq22:10:122
31261992860,285cyclictest31875-21kworker/u16:1+efi_rts_wq23:40:130
31263992850,284cyclictest8495-21kworker/u16:0+efi_rts_wq20:25:132
31263992850,284cyclictest5888-21kworker/u16:1+efi_rts_wq22:45:142
31262992850,284cyclictest8495-21kworker/u16:0+efi_rts_wq21:50:121
31264992840,283cyclictest8495-21kworker/u16:0+efi_rts_wq19:28:523
31262992840,283cyclictest8495-21kworker/u16:0+efi_rts_wq21:40:121
31261992840,283cyclictest5888-21kworker/u16:1+efi_rts_wq22:25:120
31264992830,282cyclictest5888-21kworker/u16:1+efi_rts_wq20:00:123
31264992810,280cyclictest5888-21kworker/u16:1+efi_rts_wq20:50:133
31264992810,280cyclictest5888-21kworker/u16:1+efi_rts_wq20:10:133
31263992810,280cyclictest5888-21kworker/u16:1+efi_rts_wq21:45:122
31262992800,279cyclictest5888-21kworker/u16:1+efi_rts_wq20:15:131
31264992790,278cyclictest31875-21kworker/u16:1+efi_rts_wq00:21:123
31262992790,278cyclictest5888-21kworker/u16:1+efi_rts_wq22:10:121
31261992790,278cyclictest5888-21kworker/u16:1+efi_rts_wq20:39:060
31264992780,277cyclictest5888-21kworker/u16:1+efi_rts_wq21:45:113
31262992780,277cyclictest31875-21kworker/u16:1+efi_rts_wq23:45:131
31262992750,272cyclictest5888-21kworker/u16:1+efi_rts_wq21:35:131
31262992730,270cyclictest5888-21kworker/u16:1+efi_rts_wq19:25:121
31263992720,271cyclictest5888-21kworker/u16:1+efi_rts_wq22:55:132
31261992720,271cyclictest5888-21kworker/u16:1+efi_rts_wq22:20:120
31262992700,269cyclictest5888-21kworker/u16:1+efi_rts_wq23:20:111
31264992690,268cyclictest8495-21kworker/u16:0+efi_rts_wq23:35:123
31262992670,266cyclictest5888-21kworker/u16:1+efi_rts_wq21:00:141
31264992660,265cyclictest8495-21kworker/u16:0+efi_rts_wq19:10:123
31261992660,265cyclictest24725-21kworker/u16:3+efi_rts_wq23:55:130
31264992650,264cyclictest5888-21kworker/u16:1+efi_rts_wq21:54:213
31262992650,264cyclictest8495-21kworker/u16:0+efi_rts_wq23:19:381
31262992650,264cyclictest8495-21kworker/u16:0+efi_rts_wq20:45:141
31264992640,263cyclictest8495-21kworker/u16:0+efi_rts_wq19:35:143
31261992630,262cyclictest5888-21kworker/u16:1+efi_rts_wq22:50:110
31261992620,261cyclictest8495-21kworker/u16:0+efi_rts_wq20:54:100
31262992610,260cyclictest5888-21kworker/u16:1+efi_rts_wq19:50:131
31264992600,259cyclictest5888-21kworker/u16:1+efi_rts_wq20:35:133
31261992600,258cyclictest5888-21kworker/u16:1+efi_rts_wq22:34:260
31264992580,257cyclictest31875-21kworker/u16:1+efi_rts_wq23:56:093
31263992580,257cyclictest8495-21kworker/u16:0+efi_rts_wq19:20:122
31264992570,256cyclictest24725-21kworker/u16:3+efi_rts_wq00:10:133
31263992570,256cyclictest5888-21kworker/u16:1+efi_rts_wq21:30:132
31262992570,256cyclictest8495-21kworker/u16:0+efi_rts_wq20:25:131
31264992560,255cyclictest31875-21kworker/u16:1+efi_rts_wq23:51:083
31261992560,255cyclictest8495-21kworker/u16:0+efi_rts_wq20:49:090
31261992560,255cyclictest24725-21kworker/u16:3+efi_rts_wq00:05:100
31261992490,248cyclictest8495-21kworker/u16:0+efi_rts_wq19:30:120
31264992470,246cyclictest31875-21kworker/u16:1+efi_rts_wq23:40:133
31264992470,246cyclictest31875-21kworker/u16:1+efi_rts_wq00:00:123
31262992470,246cyclictest5888-21kworker/u16:1+efi_rts_wq23:25:131
31262992450,244cyclictest31875-21kworker/u16:1+efi_rts_wq00:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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