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2026-02-23 - 03:12
[ 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 Mon Feb 23, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233822335312,5sleep30-21swapper/319:07:343
23836993220,319cyclictest27291-21kworker/u16:1+efi_rts_wq22:30:130
232922319305,4sleep20-21swapper/219:06:252
233632316310,4sleep10-21swapper/119:07:201
232902316309,5sleep00-21swapper/019:06:220
23839993140,313cyclictest28912-21kworker/u16:0+efi_rts_wq20:05:133
23839993120,311cyclictest27291-21kworker/u16:1+efi_rts_wq21:05:123
23837993100,309cyclictest28912-21kworker/u16:0+efi_rts_wq20:35:121
23837993100,309cyclictest22729-21kworker/u16:1+efi_rts_wq23:35:101
23836993100,309cyclictest27291-21kworker/u16:1+efi_rts_wq21:05:110
23837993090,308cyclictest27291-21kworker/u16:1+efi_rts_wq22:10:111
23837993080,307cyclictest28912-21kworker/u16:0+efi_rts_wq20:25:121
23837993080,307cyclictest19403-21kworker/u16:2+efi_rts_wq20:15:011
23839993050,304cyclictest28912-21kworker/u16:0+efi_rts_wq20:15:143
23839993040,302cyclictest13208-21kworker/u16:3+efi_rts_wq00:15:123
23837993040,303cyclictest27291-21kworker/u16:1+efi_rts_wq21:30:141
23837993040,303cyclictest19403-21kworker/u16:2+efi_rts_wq20:05:001
23837993020,301cyclictest28912-21kworker/u16:0+efi_rts_wq19:25:141
23839993010,298cyclictest2046-21kworker/u16:0+efi_rts_wq23:05:153
23837993000,299cyclictest27291-21kworker/u16:1+efi_rts_wq23:10:341
23836993000,299cyclictest25556-21kworker/u16:3+efi_rts_wq23:00:130
23836992980,297cyclictest27291-21kworker/u16:1+efi_rts_wq22:50:120
23839992970,296cyclictest23116-21kworker/u16:0+efi_rts_wq22:00:133
23838992970,296cyclictest19403-21kworker/u16:2+efi_rts_wq20:20:122
23837992970,295cyclictest13208-21kworker/u16:3+efi_rts_wq23:20:151
23837992950,294cyclictest28912-21kworker/u16:0+efi_rts_wq20:40:141
23839992940,293cyclictest27291-21kworker/u16:1+efi_rts_wq22:25:263
23837992940,293cyclictest25573-21kworker/u16:0+efi_rts_wq23:46:081
23836992940,293cyclictest13208-21kworker/u16:3+efi_rts_wq23:20:150
23836992930,292cyclictest13208-21kworker/u16:3+efi_rts_wq00:10:120
23839992920,291cyclictest31890-21kworker/u16:3+efi_rts_wq20:45:133
23838992920,291cyclictest13208-21kworker/u16:3+efi_rts_wq23:40:132
23836992920,291cyclictest23116-21kworker/u16:0+efi_rts_wq21:55:130
23839992900,289cyclictest19403-21kworker/u16:2+efi_rts_wq19:20:123
23839992890,288cyclictest19403-21kworker/u16:2+efi_rts_wq20:00:133
23837992880,286cyclictest7547-21kworker/u16:2+efi_rts_wq23:25:121
23837992860,285cyclictest2046-21kworker/u16:0+efi_rts_wq23:00:331
23839992840,283cyclictest28912-21kworker/u16:0+efi_rts_wq19:50:133
23839992820,281cyclictest28912-21kworker/u16:0+efi_rts_wq19:55:143
23838992820,281cyclictest13208-21kworker/u16:3+efi_rts_wq00:01:122
23838992820,279cyclictest13208-21kworker/u16:3+efi_rts_wq23:20:152
23837992810,280cyclictest8333-21kworker/u16:2+efi_rts_wq00:30:141
23837992810,280cyclictest27291-21kworker/u16:1+efi_rts_wq22:55:121
23837992810,280cyclictest13208-21kworker/u16:3+efi_rts_wq00:16:151
23839992800,279cyclictest28912-21kworker/u16:0+efi_rts_wq20:40:133
23839992790,278cyclictest27291-21kworker/u16:1+efi_rts_wq22:35:133
23837992790,278cyclictest22780-21kworker/u16:2+efi_rts_wq22:45:291
23836992790,278cyclictest25573-21kworker/u16:0+efi_rts_wq23:55:110
23838992780,277cyclictest8333-21kworker/u16:2+efi_rts_wq00:20:132
23836992780,277cyclictest27291-21kworker/u16:1+efi_rts_wq22:15:120
23836992780,276cyclictest27291-21kworker/u16:1+efi_rts_wq21:15:110
23839992770,276cyclictest25573-21kworker/u16:0+efi_rts_wq00:05:113
23838992760,275cyclictest25573-21kworker/u16:0+efi_rts_wq23:55:112
23836992760,275cyclictest23116-21kworker/u16:0+efi_rts_wq21:35:110
23837992740,273cyclictest31890-21kworker/u16:3+efi_rts_wq21:10:111
23839992730,271cyclictest27291-21kworker/u16:1+efi_rts_wq22:50:123
23837992720,271cyclictest27291-21kworker/u16:1+efi_rts_wq21:50:131
23839992710,270cyclictest19403-21kworker/u16:2+efi_rts_wq19:35:133
23839992700,269cyclictest27291-21kworker/u16:1+efi_rts_wq21:20:143
23839992690,268cyclictest28912-21kworker/u16:0+efi_rts_wq19:45:133
23837992680,267cyclictest25573-21kworker/u16:0+efi_rts_wq00:35:151
23837992680,267cyclictest23116-21kworker/u16:0+efi_rts_wq22:05:211
23836992670,266cyclictest13208-21kworker/u16:3+efi_rts_wq00:15:130
23839992660,265cyclictest27291-21kworker/u16:1+efi_rts_wq20:55:133
23838992650,264cyclictest27291-21kworker/u16:1+efi_rts_wq21:10:132
23839992640,263cyclictest13208-21kworker/u16:3+efi_rts_wq23:40:133
23838992640,263cyclictest27291-21kworker/u16:1+efi_rts_wq22:40:132
23836992630,262cyclictest31890-21kworker/u16:3+efi_rts_wq21:00:100
23838992620,261cyclictest7547-21kworker/u16:2+efi_rts_wq23:10:152
23837992620,261cyclictest13208-21kworker/u16:3+efi_rts_wq23:50:131
23836992590,258cyclictest27291-21kworker/u16:1+efi_rts_wq20:55:120
23839992580,257cyclictest8333-21kworker/u16:2+efi_rts_wq00:20:133
23838992560,255cyclictest25573-21kworker/u16:0+efi_rts_wq00:35:142
23837992560,255cyclictest23116-21kworker/u16:0+efi_rts_wq21:40:141
23838992510,250cyclictest27291-21kworker/u16:1+efi_rts_wq20:50:142
23836992500,249cyclictest27103-21kworker/u16:1+efi_rts_wq19:15:170
23839992490,248cyclictest28912-21kworker/u16:0+efi_rts_wq20:30:123
23839992490,248cyclictest23116-21kworker/u16:0+efi_rts_wq22:15:243
23837992470,246cyclictest27291-21kworker/u16:1+efi_rts_wq21:00:131
23839992460,245cyclictest27291-21kworker/u16:1+efi_rts_wq23:15:353
23838992460,245cyclictest19403-21kworker/u16:2+efi_rts_wq19:10:122
23837992440,243cyclictest28912-21kworker/u16:0+efi_rts_wq19:55:131
23839992430,241cyclictest25556-21kworker/u16:3+efi_rts_wq23:00:133
23839992420,241cyclictest25573-21kworker/u16:0+efi_rts_wq00:26:153
23838992420,241cyclictest23116-21kworker/u16:0+efi_rts_wq21:35:122
23837992420,241cyclictest19403-21kworker/u16:2+efi_rts_wq20:10:141
23839992410,238cyclictest13208-21kworker/u16:3+efi_rts_wq23:50:133
23837992410,240cyclictest27291-21kworker/u16:1+efi_rts_wq23:05:321
23836992410,240cyclictest23116-21kworker/u16:0+efi_rts_wq21:40:130
23839992390,238cyclictest13208-21kworker/u16:3+efi_rts_wq23:20:153
23839992380,237cyclictest13208-21kworker/u16:3+efi_rts_wq23:45:113
23838992370,236cyclictest28912-21kworker/u16:0+efi_rts_wq20:10:012
23839992360,235cyclictest22780-21kworker/u16:2+efi_rts_wq22:45:133
23839992360,234cyclictest22729-21kworker/u16:1+efi_rts_wq23:35:113
23837992350,232cyclictest28912-21kworker/u16:0+efi_rts_wq20:05:141
23836992350,234cyclictest28912-21kworker/u16:0+efi_rts_wq19:45:120
23839992330,232cyclictest27291-21kworker/u16:1+efi_rts_wq21:35:173
23838992320,231cyclictest22780-21kworker/u16:2+efi_rts_wq22:45:122
23838992300,228cyclictest13208-21kworker/u16:3+efi_rts_wq23:35:382
23839992290,228cyclictest28912-21kworker/u16:0+efi_rts_wq19:30:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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