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2026-02-22 - 07:12
[ 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 Sun Feb 22, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127402328321,5sleep30-21swapper/319:06:193
127792319305,5sleep00-21swapper/019:06:480
129862318311,4sleep10-21swapper/119:09:291
128452318311,5sleep20-21swapper/219:07:382
13293993150,314cyclictest6092-21kworker/u16:2+efi_rts_wq23:45:142
13292993150,314cyclictest4034-21kworker/u16:3+efi_rts_wq21:00:421
13291993140,313cyclictest8793-21kworker/u16:1+efi_rts_wq22:00:140
13291993140,313cyclictest21535-21kworker/u16:1+efi_rts_wq00:21:180
13294993120,311cyclictest4034-21kworker/u16:3+efi_rts_wq20:50:123
13294993120,311cyclictest19616-21kworker/u16:2+efi_rts_wq22:55:133
13292993110,310cyclictest6148-21kworker/u16:0+efi_rts_wq19:45:121
13292993110,310cyclictest24096-21kworker/u16:0+efi_rts_wq00:00:131
13292993100,309cyclictest4034-21kworker/u16:3+efi_rts_wq20:30:131
13294993090,308cyclictest24096-21kworker/u16:0+efi_rts_wq00:11:163
13294993090,308cyclictest11120-21kworker/u16:0+efi_rts_wq22:30:133
13292993080,307cyclictest19033-21kworker/u16:1+efi_rts_wq19:25:131
13293993070,306cyclictest6148-21kworker/u16:0+efi_rts_wq19:35:272
13292993070,306cyclictest6148-21kworker/u16:0+efi_rts_wq20:00:131
13291993070,306cyclictest777-21kworker/u16:4+efi_rts_wq23:30:110
13294993060,305cyclictest11120-21kworker/u16:0+efi_rts_wq22:10:143
13294993060,305cyclictest11120-21kworker/u16:0+efi_rts_wq21:35:133
13294993060,305cyclictest11120-21kworker/u16:0+efi_rts_wq21:35:133
13293993060,305cyclictest22334-21kworker/u16:1+efi_rts_wq23:00:122
13293993050,304cyclictest11252-21kworker/u16:2+efi_rts_wq20:45:122
13291993040,303cyclictest11120-21kworker/u16:0+efi_rts_wq22:30:130
13294993030,302cyclictest11120-21kworker/u16:0+efi_rts_wq22:20:123
13292993020,301cyclictest11252-21kworker/u16:2+efi_rts_wq20:25:121
13291993020,301cyclictest6148-21kworker/u16:0+efi_rts_wq19:20:130
13293993000,299cyclictest4034-21kworker/u16:3+efi_rts_wq20:50:122
13293992980,297cyclictest777-21kworker/u16:4+efi_rts_wq23:50:122
13291992980,297cyclictest11252-21kworker/u16:2+efi_rts_wq20:55:130
13294992960,295cyclictest22334-21kworker/u16:1+efi_rts_wq23:05:123
13294992960,295cyclictest11120-21kworker/u16:0+efi_rts_wq21:55:143
13292992960,295cyclictest11252-21kworker/u16:2+efi_rts_wq20:15:131
13291992960,295cyclictest19033-21kworker/u16:1+efi_rts_wq19:40:280
13291992960,295cyclictest19033-21kworker/u16:1+efi_rts_wq19:10:140
13293992950,294cyclictest8793-21kworker/u16:1+efi_rts_wq22:15:542
13294992940,293cyclictest6148-21kworker/u16:0+efi_rts_wq20:10:333
13294992940,293cyclictest21535-21kworker/u16:1+efi_rts_wq00:15:133
13293992930,292cyclictest6148-21kworker/u16:0+efi_rts_wq20:00:132
13293992930,292cyclictest13449-21kworker/u16:3+efi_rts_wq22:40:152
13292992930,292cyclictest19033-21kworker/u16:1+efi_rts_wq20:05:121
13291992930,292cyclictest11120-21kworker/u16:0+efi_rts_wq21:25:470
13292992920,291cyclictest19033-21kworker/u16:1+efi_rts_wq19:15:141
13292992920,290cyclictest8793-21kworker/u16:1+efi_rts_wq21:40:151
13293992900,289cyclictest11120-21kworker/u16:0+efi_rts_wq22:20:122
13292992900,289cyclictest6092-21kworker/u16:2+efi_rts_wq23:45:141
13294992890,288cyclictest777-21kworker/u16:4+efi_rts_wq23:15:123
13293992890,288cyclictest19033-21kworker/u16:1+efi_rts_wq19:40:142
13292992880,287cyclictest6092-21kworker/u16:2+efi_rts_wq23:40:121
13293992870,284cyclictest19033-21kworker/u16:1+efi_rts_wq19:15:132
13294992860,285cyclictest8793-21kworker/u16:1+efi_rts_wq22:15:123
13293992860,285cyclictest22334-21kworker/u16:1+efi_rts_wq23:05:122
13292992860,285cyclictest8793-21kworker/u16:1+efi_rts_wq21:50:131
13291992860,285cyclictest24096-21kworker/u16:0+efi_rts_wq00:10:130
13293992850,284cyclictest11120-21kworker/u16:0+efi_rts_wq22:50:132
13292992850,284cyclictest4034-21kworker/u16:3+efi_rts_wq21:15:121
13292992820,281cyclictest6092-21kworker/u16:2+efi_rts_wq23:51:111
13292992810,280cyclictest21535-21kworker/u16:1+efi_rts_wq00:16:171
13294992790,278cyclictest4034-21kworker/u16:3+efi_rts_wq20:35:123
13291992790,278cyclictest6092-21kworker/u16:2+efi_rts_wq23:40:130
13293992780,277cyclictest8793-21kworker/u16:1+efi_rts_wq22:25:132
13292992780,277cyclictest6148-21kworker/u16:0+efi_rts_wq19:35:131
13294992770,276cyclictest777-21kworker/u16:4+efi_rts_wq23:50:123
13293992770,276cyclictest21535-21kworker/u16:1+efi_rts_wq00:15:132
13294992750,274cyclictest6092-21kworker/u16:2+efi_rts_wq23:55:123
13293992750,274cyclictest11120-21kworker/u16:0+efi_rts_wq22:45:592
13292992750,274cyclictest21535-21kworker/u16:1+efi_rts_wq00:36:211
13294992740,273cyclictest11252-21kworker/u16:2+efi_rts_wq20:45:393
13293992740,273cyclictest11120-21kworker/u16:0+efi_rts_wq21:30:122
13293992740,273cyclictest11120-21kworker/u16:0+efi_rts_wq21:30:122
13293992730,272cyclictest21535-21kworker/u16:1+efi_rts_wq00:26:192
13294992720,271cyclictest11120-21kworker/u16:0+efi_rts_wq21:45:133
13291992710,270cyclictest22334-21kworker/u16:1+efi_rts_wq23:10:130
13293992700,268cyclictest11252-21kworker/u16:2+efi_rts_wq21:10:142
13292992700,269cyclictest11252-21kworker/u16:2+efi_rts_wq20:40:141
13292992690,268cyclictest19033-21kworker/u16:1+efi_rts_wq19:50:121
13294992680,265cyclictest21535-21kworker/u16:1+efi_rts_wq00:20:133
13293992680,267cyclictest21535-21kworker/u16:1+efi_rts_wq00:30:122
13291992680,267cyclictest13449-21kworker/u16:3+efi_rts_wq22:40:580
13293992660,265cyclictest6148-21kworker/u16:0+efi_rts_wq19:55:142
13294992640,263cyclictest30683-21kworker/u16:0+efi_rts_wq23:21:053
13292992620,261cyclictest22334-21kworker/u16:1+efi_rts_wq23:05:121
13294992600,259cyclictest11120-21kworker/u16:0+efi_rts_wq22:35:143
13291992600,259cyclictest21535-21kworker/u16:1+efi_rts_wq00:06:140
13291992570,256cyclictest4034-21kworker/u16:3+efi_rts_wq21:05:130
13294992560,255cyclictest6148-21kworker/u16:0+efi_rts_wq19:30:113
13291992550,254cyclictest11120-21kworker/u16:0+efi_rts_wq22:10:140
13292992540,253cyclictest6092-21kworker/u16:2+efi_rts_wq23:35:131
13291992530,251cyclictest11252-21kworker/u16:2+efi_rts_wq21:20:130
13294992520,251cyclictest19033-21kworker/u16:1+efi_rts_wq19:50:293
13291992520,251cyclictest24096-21kworker/u16:0+efi_rts_wq00:00:130
13294992510,250cyclictest777-21kworker/u16:4+efi_rts_wq23:31:073
13291992490,248cyclictest11252-21kworker/u16:2+efi_rts_wq20:25:120
13294992460,243cyclictest4034-21kworker/u16:3+efi_rts_wq20:20:113
13294992440,243cyclictest22334-21kworker/u16:1+efi_rts_wq23:10:133
13291992430,242cyclictest21535-21kworker/u16:1+efi_rts_wq00:25:160
13294992420,241cyclictest777-21kworker/u16:4+efi_rts_wq23:46:103
13292992420,241cyclictest8793-21kworker/u16:1+efi_rts_wq22:25:561
13293992400,239cyclictest6148-21kworker/u16:0+efi_rts_wq20:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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