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2026-02-14 - 06:18
[ 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 Feb 14, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31092329303,24sleep10-21swapper/119:07:441
32292324317,5sleep20-21swapper/219:09:172
3554993210,318cyclictest25472-21kworker/u16:0+efi_rts_wq23:55:152
31702318310,5sleep00-21swapper/019:08:300
32702317309,5sleep30-21swapper/319:09:503
3553993150,314cyclictest3758-21kworker/u16:3+efi_rts_wq22:35:291
3552993150,314cyclictest8882-21kworker/u16:4+efi_rts_wq20:20:140
3554993130,312cyclictest1749-21kworker/u16:0+efi_rts_wq20:15:132
3554993120,311cyclictest4718-21kworker/u16:1+efi_rts_wq21:00:142
3554993120,311cyclictest25472-21kworker/u16:0+efi_rts_wq21:20:142
3555993090,308cyclictest3758-21kworker/u16:3+efi_rts_wq22:20:273
3555993090,308cyclictest3758-21kworker/u16:3+efi_rts_wq22:20:263
3555993090,308cyclictest3758-21kworker/u16:3+efi_rts_wq00:25:133
3552993090,308cyclictest4718-21kworker/u16:1+efi_rts_wq21:05:140
3554993070,306cyclictest8882-21kworker/u16:4+efi_rts_wq19:40:112
3555993060,305cyclictest8882-21kworker/u16:4+efi_rts_wq20:05:143
3555993060,305cyclictest4529-21kworker/u16:2+efi_rts_wq19:25:133
3555993050,304cyclictest4529-21kworker/u16:2+efi_rts_wq19:20:133
3554993050,304cyclictest4183-21kworker/u16:2+efi_rts_wq23:40:112
3553993050,304cyclictest25472-21kworker/u16:0+efi_rts_wq21:50:111
3553993040,302cyclictest29642-21kworker/u16:1+efi_rts_wq22:50:331
3553993030,302cyclictest4529-21kworker/u16:2+efi_rts_wq19:15:141
3555993020,301cyclictest3758-21kworker/u16:3+efi_rts_wq22:35:113
3554993020,300cyclictest25472-21kworker/u16:0+efi_rts_wq22:40:312
3552993020,301cyclictest25472-21kworker/u16:0+efi_rts_wq23:45:130
3555993000,297cyclictest3758-21kworker/u16:3+efi_rts_wq22:25:123
3554992990,298cyclictest8882-21kworker/u16:4+efi_rts_wq19:45:122
3552992990,298cyclictest3758-21kworker/u16:3+efi_rts_wq23:20:110
3552992990,298cyclictest25472-21kworker/u16:0+efi_rts_wq22:00:220
3555992980,297cyclictest8882-21kworker/u16:4+efi_rts_wq19:45:133
3552992980,297cyclictest4529-21kworker/u16:2+efi_rts_wq19:44:560
3552992980,297cyclictest25472-21kworker/u16:0+efi_rts_wq23:55:160
3554992960,295cyclictest8882-21kworker/u16:4+efi_rts_wq19:50:132
3554992960,295cyclictest3758-21kworker/u16:3+efi_rts_wq23:05:132
3552992960,295cyclictest8882-21kworker/u16:4+efi_rts_wq21:00:110
3552992960,295cyclictest4183-21kworker/u16:2+efi_rts_wq00:30:120
3553992950,294cyclictest4529-21kworker/u16:2+efi_rts_wq20:10:121
3552992950,294cyclictest3758-21kworker/u16:3+efi_rts_wq21:35:180
3555992940,293cyclictest4529-21kworker/u16:2+efi_rts_wq19:15:143
3555992940,293cyclictest25472-21kworker/u16:0+efi_rts_wq21:15:123
3555992930,292cyclictest4529-21kworker/u16:2+efi_rts_wq20:10:123
3555992930,292cyclictest4183-21kworker/u16:2+efi_rts_wq00:00:133
3552992930,292cyclictest3758-21kworker/u16:3+efi_rts_wq23:10:120
3555992920,291cyclictest4183-21kworker/u16:2+efi_rts_wq00:10:123
3555992920,291cyclictest25472-21kworker/u16:0+efi_rts_wq23:40:433
3553992920,290cyclictest4183-21kworker/u16:2+efi_rts_wq23:50:121
3552992920,291cyclictest4718-21kworker/u16:1+efi_rts_wq20:40:110
3552992910,290cyclictest8882-21kworker/u16:4+efi_rts_wq19:55:120
3555992900,288cyclictest4718-21kworker/u16:1+efi_rts_wq20:55:093
3553992900,289cyclictest8882-21kworker/u16:4+efi_rts_wq20:10:001
3554992880,287cyclictest25472-21kworker/u16:0+efi_rts_wq21:15:122
3554992880,286cyclictest4718-21kworker/u16:1+efi_rts_wq20:45:122
3554992870,286cyclictest28204-21kworker/u16:0+efi_rts_wq00:35:142
3552992870,286cyclictest27320-21kworker/u16:2+efi_rts_wq22:50:120
3552992870,286cyclictest25472-21kworker/u16:0+efi_rts_wq22:20:120
3552992870,286cyclictest25472-21kworker/u16:0+efi_rts_wq22:20:120
3555992860,285cyclictest4183-21kworker/u16:2+efi_rts_wq00:05:123
3553992840,283cyclictest8882-21kworker/u16:4+efi_rts_wq19:30:131
3552992830,282cyclictest3758-21kworker/u16:3+efi_rts_wq23:25:130
3552992820,281cyclictest4529-21kworker/u16:2+efi_rts_wq19:10:120
3555992810,278cyclictest1749-21kworker/u16:0+efi_rts_wq20:15:123
3552992810,280cyclictest3758-21kworker/u16:3+efi_rts_wq21:40:120
3552992800,279cyclictest25472-21kworker/u16:0+efi_rts_wq22:10:110
3552992790,278cyclictest28204-21kworker/u16:0+efi_rts_wq00:35:140
3555992780,276cyclictest4183-21kworker/u16:2+efi_rts_wq23:50:133
3553992780,277cyclictest25472-21kworker/u16:0+efi_rts_wq21:10:131
3555992770,276cyclictest8882-21kworker/u16:4+efi_rts_wq20:35:053
3555992770,276cyclictest3758-21kworker/u16:3+efi_rts_wq23:10:133
3555992760,275cyclictest4718-21kworker/u16:1+efi_rts_wq20:50:133
3555992750,272cyclictest8882-21kworker/u16:4+efi_rts_wq19:30:123
3553992740,273cyclictest3758-21kworker/u16:3+efi_rts_wq22:25:121
3555992720,271cyclictest3758-21kworker/u16:3+efi_rts_wq22:30:143
3553992710,270cyclictest3758-21kworker/u16:3+efi_rts_wq23:15:131
3553992710,270cyclictest3758-21kworker/u16:3+efi_rts_wq22:30:141
3552992710,268cyclictest4183-21kworker/u16:2+efi_rts_wq00:15:130
3552992700,269cyclictest25472-21kworker/u16:0+efi_rts_wq21:25:110
3554992680,267cyclictest27320-21kworker/u16:2+efi_rts_wq22:55:132
3552992680,267cyclictest25472-21kworker/u16:0+efi_rts_wq23:35:130
3555992670,266cyclictest4718-21kworker/u16:1+efi_rts_wq21:00:143
3554992670,266cyclictest3758-21kworker/u16:3+efi_rts_wq22:45:312
3554992670,266cyclictest25472-21kworker/u16:0+efi_rts_wq21:25:162
3555992650,264cyclictest3758-21kworker/u16:3+efi_rts_wq21:40:193
3552992650,264cyclictest27320-21kworker/u16:2+efi_rts_wq23:00:340
3553992640,263cyclictest3758-21kworker/u16:3+efi_rts_wq23:35:421
3554992630,262cyclictest3758-21kworker/u16:3+efi_rts_wq21:45:122
3555992620,261cyclictest25472-21kworker/u16:0+efi_rts_wq22:15:133
3555992580,257cyclictest3758-21kworker/u16:3+efi_rts_wq22:10:243
3554992570,256cyclictest8882-21kworker/u16:4+efi_rts_wq20:40:072
3555992550,254cyclictest27320-21kworker/u16:2+efi_rts_wq22:50:133
3552992550,254cyclictest4529-21kworker/u16:2+efi_rts_wq19:35:110
3552992540,253cyclictest3758-21kworker/u16:3+efi_rts_wq00:21:100
3554992530,252cyclictest25472-21kworker/u16:0+efi_rts_wq23:25:392
3553992510,250cyclictest25472-21kworker/u16:0+efi_rts_wq23:45:131
3554992490,248cyclictest3758-21kworker/u16:3+efi_rts_wq23:35:122
3552992480,247cyclictest4529-21kworker/u16:2+efi_rts_wq19:24:520
3554992460,245cyclictest4183-21kworker/u16:2+efi_rts_wq00:00:122
3554992460,245cyclictest25472-21kworker/u16:0+efi_rts_wq22:00:132
3552992410,240cyclictest8882-21kworker/u16:4+efi_rts_wq20:25:030
3555992400,239cyclictest1749-21kworker/u16:0+efi_rts_wq20:25:133
3555992390,238cyclictest8882-21kworker/u16:4+efi_rts_wq19:40:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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