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2026-01-24 - 14:12
[ 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 Sat Jan 24, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272532334312,5sleep00-21swapper/019:08:340
270172331308,6sleep20-21swapper/219:05:312
270212319313,4sleep10-21swapper/119:05:341
270082319311,5sleep30-21swapper/319:05:243
27632993150,314cyclictest31433-21kworker/u16:2+efi_rts_wq23:25:123
27630993110,308cyclictest2133-21kworker/u16:3+efi_rts_wq22:45:121
27629993100,309cyclictest21865-21kworker/u16:0+efi_rts_wq22:00:130
27632993090,308cyclictest26050-21kworker/u16:1+efi_rts_wq22:05:123
27631993060,305cyclictest24852-21kworker/u16:2+efi_rts_wq00:10:122
27629993050,304cyclictest24852-21kworker/u16:2+efi_rts_wq00:35:120
27630993030,302cyclictest18985-21kworker/u16:2+efi_rts_wq21:05:111
27629993030,302cyclictest23770-21kworker/u16:0+efi_rts_wq19:50:110
27629993020,301cyclictest24115-21kworker/u16:0+efi_rts_wq23:00:130
27631993010,300cyclictest2133-21kworker/u16:3+efi_rts_wq22:35:112
27632993000,299cyclictest26050-21kworker/u16:1+efi_rts_wq21:44:203
27632993000,299cyclictest23770-21kworker/u16:0+efi_rts_wq19:20:153
27629993000,299cyclictest2133-21kworker/u16:3+efi_rts_wq22:14:270
27629993000,299cyclictest18985-21kworker/u16:2+efi_rts_wq20:55:130
27632992990,298cyclictest18985-21kworker/u16:2+efi_rts_wq20:20:123
27632992990,297cyclictest31433-21kworker/u16:2+efi_rts_wq23:35:113
27631992990,298cyclictest2133-21kworker/u16:3+efi_rts_wq22:45:122
27629992990,298cyclictest32393-21kworker/u16:3+efi_rts_wq20:45:120
27629992980,297cyclictest32393-21kworker/u16:3+efi_rts_wq19:43:580
27631992960,295cyclictest23770-21kworker/u16:0+efi_rts_wq19:35:132
27629992960,295cyclictest2133-21kworker/u16:3+efi_rts_wq22:55:110
27630992950,294cyclictest32393-21kworker/u16:3+efi_rts_wq21:25:121
27630992950,294cyclictest24852-21kworker/u16:2+efi_rts_wq00:00:141
27629992950,294cyclictest24115-21kworker/u16:0+efi_rts_wq22:49:320
27632992940,292cyclictest2133-21kworker/u16:3+efi_rts_wq22:30:123
27630992940,293cyclictest24115-21kworker/u16:0+efi_rts_wq23:05:111
27630992940,293cyclictest18985-21kworker/u16:2+efi_rts_wq20:34:091
27629992940,293cyclictest26050-21kworker/u16:1+efi_rts_wq21:40:130
27632992930,292cyclictest4094-21kworker/u16:1+efi_rts_wq23:30:123
27629992920,291cyclictest24852-21kworker/u16:2+efi_rts_wq00:25:130
27629992910,290cyclictest4094-21kworker/u16:1+efi_rts_wq00:05:110
27632992900,289cyclictest18985-21kworker/u16:2+efi_rts_wq21:15:133
27631992900,289cyclictest32393-21kworker/u16:3+efi_rts_wq21:20:122
27632992890,288cyclictest32393-21kworker/u16:3+efi_rts_wq20:59:133
27631992890,288cyclictest31433-21kworker/u16:2+efi_rts_wq23:29:402
27630992880,287cyclictest31433-21kworker/u16:2+efi_rts_wq23:45:141
27631992860,285cyclictest31433-21kworker/u16:2+efi_rts_wq23:45:142
27630992860,285cyclictest31433-21kworker/u16:2+efi_rts_wq23:35:111
27629992860,285cyclictest24852-21kworker/u16:2+efi_rts_wq00:15:110
27632992840,283cyclictest18985-21kworker/u16:2+efi_rts_wq20:09:043
27632992830,282cyclictest23770-21kworker/u16:0+efi_rts_wq19:30:123
27630992830,282cyclictest4094-21kworker/u16:1+efi_rts_wq23:24:401
27630992830,282cyclictest26050-21kworker/u16:1+efi_rts_wq22:20:121
27632992810,280cyclictest24852-21kworker/u16:2+efi_rts_wq00:31:233
27629992810,280cyclictest32393-21kworker/u16:3+efi_rts_wq21:30:120
27629992800,279cyclictest24115-21kworker/u16:0+efi_rts_wq22:54:340
27629992790,278cyclictest4094-21kworker/u16:1+efi_rts_wq00:30:130
27632992780,277cyclictest21865-21kworker/u16:0+efi_rts_wq22:00:113
27631992780,277cyclictest32393-21kworker/u16:3+efi_rts_wq20:10:112
27630992770,276cyclictest24852-21kworker/u16:2+efi_rts_wq00:10:121
27630992770,276cyclictest24115-21kworker/u16:0+efi_rts_wq22:50:131
27629992770,276cyclictest32393-21kworker/u16:3+efi_rts_wq21:09:140
27632992760,275cyclictest26050-21kworker/u16:1+efi_rts_wq22:10:123
27632992760,275cyclictest18985-21kworker/u16:2+efi_rts_wq20:54:113
27631992760,275cyclictest12655-21kworker/u16:2+efi_rts_wq22:40:122
27632992750,274cyclictest26050-21kworker/u16:1+efi_rts_wq21:59:233
27630992750,274cyclictest26050-21kworker/u16:1+efi_rts_wq22:04:241
27631992740,273cyclictest32393-21kworker/u16:3+efi_rts_wq20:05:112
27630992710,270cyclictest32393-21kworker/u16:3+efi_rts_wq20:25:131
27632992700,269cyclictest24115-21kworker/u16:0+efi_rts_wq23:00:123
27631992700,269cyclictest9562-21kworker/u16:2+efi_rts_wq19:13:532
27630992700,269cyclictest23770-21kworker/u16:0+efi_rts_wq19:40:121
27629992700,269cyclictest9562-21kworker/u16:2+efi_rts_wq19:15:130
27631992680,267cyclictest23770-21kworker/u16:0+efi_rts_wq19:59:022
27631992680,267cyclictest23770-21kworker/u16:0+efi_rts_wq19:59:012
27629992680,267cyclictest24115-21kworker/u16:0+efi_rts_wq23:10:140
27631992670,266cyclictest31433-21kworker/u16:2+efi_rts_wq23:34:412
27630992670,266cyclictest12655-21kworker/u16:2+efi_rts_wq22:40:121
27629992660,264cyclictest20507-21kworker/u16:4+efi_rts_wq23:50:120
27629992650,264cyclictest21865-21kworker/u16:0+efi_rts_wq21:45:100
27630992640,263cyclictest12655-21kworker/u16:2+efi_rts_wq22:39:301
27629992640,263cyclictest9562-21kworker/u16:2+efi_rts_wq19:10:120
27629992640,263cyclictest32393-21kworker/u16:3+efi_rts_wq20:35:120
27629992630,262cyclictest32393-21kworker/u16:3+efi_rts_wq19:55:140
27629992630,262cyclictest32393-21kworker/u16:3+efi_rts_wq19:55:130
27632992620,261cyclictest24852-21kworker/u16:2+efi_rts_wq00:00:133
27630992620,261cyclictest18985-21kworker/u16:2+efi_rts_wq20:44:111
27630992600,259cyclictest32393-21kworker/u16:3+efi_rts_wq19:25:131
27631992590,258cyclictest8895-21kworker/u16:0+efi_rts_wq00:00:132
27630992590,258cyclictest32393-21kworker/u16:3+efi_rts_wq19:45:131
27629992590,258cyclictest18985-21kworker/u16:2+efi_rts_wq21:10:130
27632992560,255cyclictest24852-21kworker/u16:2+efi_rts_wq00:16:203
27629992560,255cyclictest18985-21kworker/u16:2+efi_rts_wq20:14:050
27629992530,252cyclictest26050-21kworker/u16:1+efi_rts_wq21:55:130
27631992500,249cyclictest24852-21kworker/u16:2+efi_rts_wq00:20:122
27632992490,248cyclictest23770-21kworker/u16:0+efi_rts_wq19:50:123
27632992490,248cyclictest2133-21kworker/u16:3+efi_rts_wq22:29:293
27631992490,248cyclictest32393-21kworker/u16:3+efi_rts_wq21:29:192
27631992490,248cyclictest23770-21kworker/u16:0+efi_rts_wq19:28:552
27631992480,247cyclictest18985-21kworker/u16:2+efi_rts_wq20:19:062
27632992470,246cyclictest23770-21kworker/u16:0+efi_rts_wq20:00:113
27631992470,246cyclictest24115-21kworker/u16:0+efi_rts_wq23:09:352
27630992470,246cyclictest32393-21kworker/u16:3+efi_rts_wq21:00:121
27632992450,244cyclictest24852-21kworker/u16:2+efi_rts_wq00:21:213
27631992450,244cyclictest26050-21kworker/u16:1+efi_rts_wq21:40:132
27632992440,243cyclictest32393-21kworker/u16:3+efi_rts_wq19:25:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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