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2026-01-14 - 11:59
[ 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 Wed Jan 14, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48532321313,5sleep20-21swapper/219:07:582
49212319312,5sleep30-21swapper/319:08:513
47482319313,4sleep10-21swapper/119:06:361
47642315307,5sleep00-21swapper/019:06:470
5280993140,313cyclictest17882-21kworker/u16:1+efi_rts_wq21:35:122
5281993130,311cyclictest26166-21kworker/u16:2+efi_rts_wq23:59:593
5281993120,311cyclictest25760-21kworker/u16:3+efi_rts_wq21:29:323
5280993120,309cyclictest25760-21kworker/u16:3+efi_rts_wq20:05:112
5280993110,309cyclictest25760-21kworker/u16:3+efi_rts_wq22:35:122
5279993110,310cyclictest19854-21kworker/u16:1+efi_rts_wq00:35:121
5278993110,310cyclictest17882-21kworker/u16:1+efi_rts_wq19:34:100
5279993090,308cyclictest26166-21kworker/u16:2+efi_rts_wq23:54:591
5278993090,308cyclictest25760-21kworker/u16:3+efi_rts_wq22:00:130
5281993080,307cyclictest25760-21kworker/u16:3+efi_rts_wq21:00:133
5280993070,305cyclictest19854-21kworker/u16:1+efi_rts_wq23:55:122
5280993060,305cyclictest17882-21kworker/u16:1+efi_rts_wq19:19:062
5278993060,305cyclictest25760-21kworker/u16:3+efi_rts_wq21:30:110
5281993040,303cyclictest15172-21kworker/u16:3+efi_rts_wq23:35:123
5278993040,303cyclictest25760-21kworker/u16:3+efi_rts_wq23:00:120
5281993020,301cyclictest25760-21kworker/u16:3+efi_rts_wq20:20:133
5281993020,301cyclictest17882-21kworker/u16:1+efi_rts_wq22:54:483
5278993020,301cyclictest17882-21kworker/u16:1+efi_rts_wq21:50:130
5278993020,300cyclictest17882-21kworker/u16:1+efi_rts_wq21:20:130
5281993000,299cyclictest25760-21kworker/u16:3+efi_rts_wq21:30:123
5281992980,297cyclictest17882-21kworker/u16:1+efi_rts_wq21:35:123
5279992980,297cyclictest26166-21kworker/u16:2+efi_rts_wq23:40:121
5279992980,297cyclictest15172-21kworker/u16:3+efi_rts_wq23:30:121
5281992960,295cyclictest17882-21kworker/u16:1+efi_rts_wq22:04:393
5280992960,294cyclictest15172-21kworker/u16:3+efi_rts_wq23:35:112
5281992940,293cyclictest26166-21kworker/u16:2+efi_rts_wq00:20:113
5281992920,291cyclictest25760-21kworker/u16:3+efi_rts_wq19:20:113
5280992920,291cyclictest17882-21kworker/u16:1+efi_rts_wq21:45:152
5281992910,290cyclictest26166-21kworker/u16:2+efi_rts_wq00:25:123
5279992900,289cyclictest17882-21kworker/u16:1+efi_rts_wq22:15:131
5281992870,286cyclictest25760-21kworker/u16:3+efi_rts_wq19:30:133
5278992870,286cyclictest25760-21kworker/u16:3+efi_rts_wq22:55:130
5278992870,285cyclictest25760-21kworker/u16:3+efi_rts_wq22:10:120
5278992840,283cyclictest17882-21kworker/u16:1+efi_rts_wq22:50:140
5281992830,282cyclictest26166-21kworker/u16:2+efi_rts_wq00:10:133
5278992830,282cyclictest26166-21kworker/u16:2+efi_rts_wq00:25:130
5278992830,282cyclictest19854-21kworker/u16:1+efi_rts_wq00:15:120
5281992820,280cyclictest25760-21kworker/u16:3+efi_rts_wq19:45:123
5278992790,278cyclictest25760-21kworker/u16:3+efi_rts_wq20:15:140
5278992790,278cyclictest17882-21kworker/u16:1+efi_rts_wq22:30:110
5281992780,277cyclictest25760-21kworker/u16:3+efi_rts_wq19:10:093
5281992780,276cyclictest26166-21kworker/u16:2+efi_rts_wq00:00:123
5281992740,273cyclictest25760-21kworker/u16:3+efi_rts_wq21:40:123
5278992740,272cyclictest7552-21kworker/u16:0+efi_rts_wq23:15:130
5278992740,272cyclictest7552-21kworker/u16:0+efi_rts_wq23:15:120
5279992721,270cyclictest25760-21kworker/u16:3+efi_rts_wq20:55:121
5278992720,271cyclictest25760-21kworker/u16:3+efi_rts_wq21:15:130
5280992710,268cyclictest25760-21kworker/u16:3+efi_rts_wq22:25:152
5281992700,269cyclictest7552-21kworker/u16:0+efi_rts_wq23:05:133
5279992700,269cyclictest25760-21kworker/u16:3+efi_rts_wq20:44:241
5280992690,267cyclictest25760-21kworker/u16:3+efi_rts_wq20:45:132
5278992690,268cyclictest15172-21kworker/u16:3+efi_rts_wq23:30:120
5281992680,267cyclictest17882-21kworker/u16:1+efi_rts_wq20:35:113
5278992680,267cyclictest25760-21kworker/u16:3+efi_rts_wq22:25:150
5278992680,267cyclictest17882-21kworker/u16:1+efi_rts_wq20:00:120
5281992660,265cyclictest25760-21kworker/u16:3+efi_rts_wq19:29:093
5278992660,265cyclictest25760-21kworker/u16:3+efi_rts_wq20:05:120
5281992650,264cyclictest17882-21kworker/u16:1+efi_rts_wq20:04:163
5278992650,264cyclictest17882-21kworker/u16:1+efi_rts_wq20:50:120
5280992640,263cyclictest25760-21kworker/u16:3+efi_rts_wq22:20:122
5280992630,262cyclictest25760-21kworker/u16:3+efi_rts_wq20:15:132
5279992630,262cyclictest25760-21kworker/u16:3+efi_rts_wq22:55:141
5281992610,260cyclictest25760-21kworker/u16:3+efi_rts_wq22:59:493
5281992610,260cyclictest25760-21kworker/u16:3+efi_rts_wq20:09:163
5281992600,259cyclictest25760-21kworker/u16:3+efi_rts_wq19:35:123
5281992590,258cyclictest25760-21kworker/u16:3+efi_rts_wq21:09:283
5279992560,255cyclictest15172-21kworker/u16:3+efi_rts_wq23:24:541
5278992560,254cyclictest26166-21kworker/u16:2+efi_rts_wq00:05:120
5278992540,253cyclictest25760-21kworker/u16:3+efi_rts_wq22:20:130
5278992540,252cyclictest7552-21kworker/u16:0+efi_rts_wq23:10:130
5278992540,252cyclictest7552-21kworker/u16:0+efi_rts_wq23:10:120
5278992530,252cyclictest26166-21kworker/u16:2+efi_rts_wq00:20:040
5278992520,251cyclictest17882-21kworker/u16:1+efi_rts_wq19:55:150
5278992470,246cyclictest17882-21kworker/u16:1+efi_rts_wq20:10:140
5279992450,243cyclictest25760-21kworker/u16:3+efi_rts_wq21:25:121
5281992440,243cyclictest10055-21kworker/u16:2+efi_rts_wq23:04:493
5280992430,242cyclictest26166-21kworker/u16:2+efi_rts_wq00:05:112
5280992420,241cyclictest25760-21kworker/u16:3+efi_rts_wq21:15:132
5278992410,240cyclictest17882-21kworker/u16:1+efi_rts_wq22:19:420
5278992400,239cyclictest25760-21kworker/u16:3+efi_rts_wq20:25:190
5278992400,239cyclictest17882-21kworker/u16:1+efi_rts_wq21:10:120
5278992390,238cyclictest17882-21kworker/u16:1+efi_rts_wq21:55:130
5278992380,237cyclictest17882-21kworker/u16:1+efi_rts_wq19:14:060
5280992350,233cyclictest17882-21kworker/u16:1+efi_rts_wq19:50:132
5281992340,233cyclictest19854-21kworker/u16:1+efi_rts_wq00:35:113
5281992330,232cyclictest7552-21kworker/u16:0+efi_rts_wq23:20:123
5279992330,232cyclictest17882-21kworker/u16:1+efi_rts_wq19:15:111
5280992320,231cyclictest25760-21kworker/u16:3+efi_rts_wq19:25:132
5281992300,229cyclictest7552-21kworker/u16:0+efi_rts_wq23:10:123
5281992300,229cyclictest7552-21kworker/u16:0+efi_rts_wq23:10:123
5279992300,229cyclictest7552-21kworker/u16:0+efi_rts_wq23:05:121
5280992290,228cyclictest17882-21kworker/u16:1+efi_rts_wq20:40:162
5281992280,227cyclictest17882-21kworker/u16:1+efi_rts_wq20:50:133
5278992280,227cyclictest25760-21kworker/u16:3+efi_rts_wq19:25:120
5281992270,225cyclictest25760-21kworker/u16:3+efi_rts_wq22:40:123
5280992230,222cyclictest26166-21kworker/u16:2+efi_rts_wq23:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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