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2026-01-29 - 07:45
[ 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 Jan 29, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78782330323,4sleep20-21swapper/219:08:482
76652327320,4sleep30-21swapper/319:06:053
8239993150,312cyclictest13945-21kworker/u16:1+efi_rts_wq21:00:133
78872315307,5sleep10-21swapper/119:08:551
76722315307,5sleep00-21swapper/019:06:090
8237993140,313cyclictest2540-21kworker/u16:4+efi_rts_wq23:25:131
8239993110,310cyclictest31712-21kworker/u16:2+efi_rts_wq20:20:123
8238993110,310cyclictest3777-21kworker/u16:3+efi_rts_wq21:10:102
8239993070,306cyclictest25762-21kworker/u16:0+efi_rts_wq20:13:383
8239993070,305cyclictest21773-21kworker/u16:2+efi_rts_wq22:35:133
8237993070,306cyclictest3777-21kworker/u16:3+efi_rts_wq21:10:111
8237993070,306cyclictest25018-21kworker/u16:1+efi_rts_wq00:05:131
8236993070,304cyclictest21545-21kworker/u16:1+efi_rts_wq19:55:140
8239993060,305cyclictest21773-21kworker/u16:2+efi_rts_wq23:50:133
8239993060,305cyclictest21545-21kworker/u16:1+efi_rts_wq19:55:143
8236993060,305cyclictest27974-21kworker/u16:0+efi_rts_wq22:34:060
8238993050,304cyclictest27974-21kworker/u16:0+efi_rts_wq00:00:102
8239993030,302cyclictest22443-21kworker/u16:4+efi_rts_wq22:00:133
8239993030,302cyclictest22443-21kworker/u16:4+efi_rts_wq21:50:113
8236993020,301cyclictest19687-21kworker/u16:3+efi_rts_wq22:25:130
8236993010,300cyclictest25762-21kworker/u16:0+efi_rts_wq19:50:120
8238993000,299cyclictest25762-21kworker/u16:0+efi_rts_wq20:15:132
8237993000,299cyclictest22443-21kworker/u16:4+efi_rts_wq21:40:141
8237992990,298cyclictest2540-21kworker/u16:4+efi_rts_wq23:15:131
8237992990,298cyclictest2540-21kworker/u16:4+efi_rts_wq22:50:111
8236992990,298cyclictest21773-21kworker/u16:2+efi_rts_wq23:20:130
8236992990,298cyclictest12525-21kworker/u16:0+efi_rts_wq19:18:260
8238992970,296cyclictest3777-21kworker/u16:3+efi_rts_wq21:05:132
8238992960,295cyclictest3777-21kworker/u16:3+efi_rts_wq20:40:132
8239992950,294cyclictest27974-21kworker/u16:0+efi_rts_wq23:30:123
8239992950,294cyclictest12880-21kworker/u16:1+efi_rts_wq23:09:143
8236992950,294cyclictest21773-21kworker/u16:2+efi_rts_wq22:19:040
8236992940,293cyclictest12008-21kworker/u16:3+efi_rts_wq19:33:300
8239992930,291cyclictest21773-21kworker/u16:2+efi_rts_wq23:45:133
8238992920,290cyclictest27974-21kworker/u16:0+efi_rts_wq23:40:122
8239992910,290cyclictest27974-21kworker/u16:0+efi_rts_wq22:40:133
8236992910,290cyclictest12008-21kworker/u16:3+efi_rts_wq19:25:120
8237992900,289cyclictest22443-21kworker/u16:4+efi_rts_wq21:48:581
8237992900,289cyclictest12008-21kworker/u16:3+efi_rts_wq20:00:131
8239992890,288cyclictest3777-21kworker/u16:3+efi_rts_wq20:50:113
8237992890,288cyclictest3777-21kworker/u16:3+efi_rts_wq20:50:111
8236992890,288cyclictest972-21kworker/u16:1+efi_rts_wq21:33:550
8237992880,287cyclictest3777-21kworker/u16:3+efi_rts_wq21:20:111
8239992870,286cyclictest3777-21kworker/u16:3+efi_rts_wq21:10:113
8237992870,286cyclictest3777-21kworker/u16:3+efi_rts_wq20:43:441
8236992870,286cyclictest22443-21kworker/u16:4+efi_rts_wq21:25:120
8237992860,285cyclictest972-21kworker/u16:1+efi_rts_wq22:20:121
8239992840,283cyclictest27974-21kworker/u16:0+efi_rts_wq23:40:123
8239992830,282cyclictest3777-21kworker/u16:3+efi_rts_wq20:30:113
8238992810,280cyclictest21773-21kworker/u16:2+efi_rts_wq00:10:112
8237992810,280cyclictest22443-21kworker/u16:4+efi_rts_wq21:35:131
8237992800,278cyclictest21773-21kworker/u16:2+efi_rts_wq00:30:121
8236992770,276cyclictest972-21kworker/u16:1+efi_rts_wq22:20:120
8236992770,276cyclictest21773-21kworker/u16:2+efi_rts_wq00:36:210
8237992750,274cyclictest21773-21kworker/u16:2+efi_rts_wq00:15:111
8236992740,273cyclictest21773-21kworker/u16:2+efi_rts_wq00:30:110
8237992730,272cyclictest12525-21kworker/u16:0+efi_rts_wq19:20:131
8237992720,271cyclictest31712-21kworker/u16:2+efi_rts_wq20:35:121
8237992710,270cyclictest3777-21kworker/u16:3+efi_rts_wq21:08:501
8236992710,270cyclictest27974-21kworker/u16:0+efi_rts_wq23:55:130
8238992700,269cyclictest22443-21kworker/u16:4+efi_rts_wq21:15:132
8238992700,269cyclictest21545-21kworker/u16:1+efi_rts_wq19:45:112
8238992690,268cyclictest972-21kworker/u16:1+efi_rts_wq22:05:122
8237992690,268cyclictest21773-21kworker/u16:2+efi_rts_wq23:00:121
8239992680,267cyclictest21773-21kworker/u16:2+efi_rts_wq23:00:133
8237992680,267cyclictest3777-21kworker/u16:3+efi_rts_wq20:18:401
8238992670,266cyclictest12008-21kworker/u16:3+efi_rts_wq19:23:282
8237992660,265cyclictest972-21kworker/u16:1+efi_rts_wq21:55:131
8237992640,263cyclictest25762-21kworker/u16:0+efi_rts_wq20:05:131
8238992620,261cyclictest7239-21kworker/u16:0+efi_rts_wq21:45:112
8237992610,260cyclictest16164-21kworker/u16:2+efi_rts_wq21:03:481
8236992610,260cyclictest13945-21kworker/u16:1+efi_rts_wq20:58:480
8236992600,259cyclictest12525-21kworker/u16:0+efi_rts_wq19:20:130
8239992570,256cyclictest12880-21kworker/u16:1+efi_rts_wq23:10:133
8236992560,255cyclictest25018-21kworker/u16:1+efi_rts_wq00:00:100
8237992550,254cyclictest27974-21kworker/u16:0+efi_rts_wq23:34:171
8237992550,253cyclictest27974-21kworker/u16:0+efi_rts_wq00:20:121
8239992530,251cyclictest21773-21kworker/u16:2+efi_rts_wq22:30:113
8237992530,252cyclictest21773-21kworker/u16:2+efi_rts_wq00:25:131
8237992530,252cyclictest21545-21kworker/u16:1+efi_rts_wq19:43:321
8237992530,251cyclictest21773-21kworker/u16:2+efi_rts_wq22:35:131
8239992520,251cyclictest21773-21kworker/u16:2+efi_rts_wq22:29:063
8237992520,251cyclictest19687-21kworker/u16:3+efi_rts_wq22:25:131
8237992520,251cyclictest12008-21kworker/u16:3+efi_rts_wq19:15:121
8236992510,248cyclictest3777-21kworker/u16:3+efi_rts_wq20:25:130
8239992500,249cyclictest12008-21kworker/u16:3+efi_rts_wq19:48:333
8239992500,248cyclictest2540-21kworker/u16:4+efi_rts_wq23:15:133
8237992490,248cyclictest21773-21kworker/u16:2+efi_rts_wq22:30:101
8236992490,247cyclictest22443-21kworker/u16:4+efi_rts_wq21:15:130
8236992480,247cyclictest3777-21kworker/u16:3+efi_rts_wq20:45:120
8237992460,245cyclictest21773-21kworker/u16:2+efi_rts_wq22:15:131
8237992440,243cyclictest21773-21kworker/u16:2+efi_rts_wq00:10:111
8237992420,241cyclictest19687-21kworker/u16:3+efi_rts_wq22:44:081
8239992410,240cyclictest25762-21kworker/u16:0+efi_rts_wq20:05:133
8238992410,239cyclictest27974-21kworker/u16:0+efi_rts_wq23:35:122
8239992400,239cyclictest27974-21kworker/u16:0+efi_rts_wq22:45:123
8236992400,239cyclictest27974-21kworker/u16:0+efi_rts_wq22:55:160
8236992400,239cyclictest11192-21kworker/u16:2+efi_rts_wq22:09:020
8239992390,238cyclictest12008-21kworker/u16:3+efi_rts_wq19:50:113
8237992390,238cyclictest6122-21kworker/u16:2+efi_rts_wq19:30:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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