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2026-01-26 - 04:11
[ 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 Jan 26, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39792328306,5sleep30-21swapper/319:08:213
39532324317,4sleep20-21swapper/219:08:002
38542319304,5sleep00-21swapper/019:06:410
39002318304,5sleep10-21swapper/119:07:191
4377993140,313cyclictest21267-21kworker/u16:3+efi_rts_wq22:40:122
4378993110,310cyclictest21267-21kworker/u16:3+efi_rts_wq23:04:543
4377993110,310cyclictest29488-21kworker/u16:2+efi_rts_wq19:55:122
4377993110,310cyclictest21267-21kworker/u16:3+efi_rts_wq22:00:142
4376993100,309cyclictest21267-21kworker/u16:3+efi_rts_wq21:35:111
4378993090,308cyclictest21267-21kworker/u16:3+efi_rts_wq23:30:133
4376993090,308cyclictest29032-21kworker/u16:1+efi_rts_wq23:35:141
4376993080,307cyclictest29488-21kworker/u16:2+efi_rts_wq20:50:121
4376993080,307cyclictest23341-21kworker/u16:0+efi_rts_wq21:59:441
4376993070,306cyclictest21267-21kworker/u16:3+efi_rts_wq22:45:131
4376993060,305cyclictest21267-21kworker/u16:3+efi_rts_wq23:00:141
4376993060,305cyclictest21267-21kworker/u16:3+efi_rts_wq22:40:121
4376993060,303cyclictest21267-21kworker/u16:3+efi_rts_wq21:50:131
4378993050,304cyclictest964-21kworker/u16:1+efi_rts_wq19:15:143
4378993050,304cyclictest29488-21kworker/u16:2+efi_rts_wq19:20:163
4377993050,304cyclictest23341-21kworker/u16:0+efi_rts_wq21:45:142
4376993050,304cyclictest32586-21kworker/u16:2+efi_rts_wq00:05:131
4378993040,303cyclictest21267-21kworker/u16:3+efi_rts_wq23:51:033
4378993020,301cyclictest29488-21kworker/u16:2+efi_rts_wq19:45:133
4378993020,301cyclictest21267-21kworker/u16:3+efi_rts_wq00:35:153
4377993020,301cyclictest21267-21kworker/u16:3+efi_rts_wq22:05:142
4378993010,300cyclictest964-21kworker/u16:1+efi_rts_wq20:20:123
4376992990,298cyclictest21267-21kworker/u16:3+efi_rts_wq21:44:401
4376992990,298cyclictest21267-21kworker/u16:3+efi_rts_wq21:30:121
4376992980,297cyclictest964-21kworker/u16:1+efi_rts_wq19:15:141
4376992980,296cyclictest29488-21kworker/u16:2+efi_rts_wq19:10:131
4378992970,296cyclictest21267-21kworker/u16:3+efi_rts_wq23:09:573
4376992970,296cyclictest23341-21kworker/u16:0+efi_rts_wq21:10:121
4377992960,295cyclictest964-21kworker/u16:1+efi_rts_wq20:05:152
4375992960,295cyclictest29488-21kworker/u16:2+efi_rts_wq19:24:160
4376992940,293cyclictest21267-21kworker/u16:3+efi_rts_wq23:30:141
4376992940,293cyclictest21267-21kworker/u16:3+efi_rts_wq00:15:121
4375992940,292cyclictest964-21kworker/u16:1+efi_rts_wq20:20:130
4377992930,291cyclictest964-21kworker/u16:1+efi_rts_wq19:15:012
4375992930,292cyclictest21267-21kworker/u16:3+efi_rts_wq23:00:140
4377992920,291cyclictest21267-21kworker/u16:3+efi_rts_wq23:25:132
4376992920,291cyclictest29032-21kworker/u16:1+efi_rts_wq23:15:121
4376992920,291cyclictest21267-21kworker/u16:3+efi_rts_wq23:40:121
4378992910,290cyclictest964-21kworker/u16:1+efi_rts_wq21:05:153
4377992910,290cyclictest21267-21kworker/u16:3+efi_rts_wq23:40:132
4378992900,289cyclictest964-21kworker/u16:1+efi_rts_wq20:55:133
4376992900,289cyclictest21267-21kworker/u16:3+efi_rts_wq23:20:131
4378992890,288cyclictest23341-21kworker/u16:0+efi_rts_wq22:35:143
4376992880,287cyclictest964-21kworker/u16:1+efi_rts_wq20:35:141
4375992860,285cyclictest29488-21kworker/u16:2+efi_rts_wq20:15:120
4376992850,284cyclictest21267-21kworker/u16:3+efi_rts_wq00:35:151
4377992840,283cyclictest21267-21kworker/u16:3+efi_rts_wq23:10:122
4376992830,282cyclictest29488-21kworker/u16:2+efi_rts_wq20:30:141
4375992830,282cyclictest32586-21kworker/u16:2+efi_rts_wq00:30:130
4378992820,281cyclictest32586-21kworker/u16:2+efi_rts_wq00:05:133
4375992810,280cyclictest21267-21kworker/u16:3+efi_rts_wq22:50:130
4376992790,278cyclictest29488-21kworker/u16:2+efi_rts_wq19:30:141
4375992790,278cyclictest32586-21kworker/u16:2+efi_rts_wq00:20:130
4377992770,276cyclictest964-21kworker/u16:1+efi_rts_wq19:40:142
4377992770,276cyclictest21267-21kworker/u16:3+efi_rts_wq21:39:392
4378992760,275cyclictest964-21kworker/u16:1+efi_rts_wq20:00:103
4376992760,275cyclictest964-21kworker/u16:1+efi_rts_wq20:44:291
4375992750,274cyclictest23341-21kworker/u16:0+efi_rts_wq21:20:140
4377992740,273cyclictest29488-21kworker/u16:2+efi_rts_wq20:40:122
4378992730,272cyclictest32586-21kworker/u16:2+efi_rts_wq23:55:123
4378992710,270cyclictest32586-21kworker/u16:2+efi_rts_wq00:25:143
4378992690,268cyclictest21267-21kworker/u16:3+efi_rts_wq22:29:493
4376992690,268cyclictest23341-21kworker/u16:0+efi_rts_wq21:45:141
4377992680,267cyclictest21267-21kworker/u16:3+efi_rts_wq22:50:132
4376992680,265cyclictest29032-21kworker/u16:1+efi_rts_wq22:55:121
4376992660,265cyclictest21267-21kworker/u16:3+efi_rts_wq21:15:131
4378992650,264cyclictest23341-21kworker/u16:0+efi_rts_wq21:55:123
4378992650,264cyclictest21267-21kworker/u16:3+efi_rts_wq00:00:133
4376992650,264cyclictest964-21kworker/u16:1+efi_rts_wq20:09:231
4375992630,262cyclictest29488-21kworker/u16:2+efi_rts_wq19:14:140
4376992620,261cyclictest21267-21kworker/u16:3+efi_rts_wq22:25:131
4378992610,260cyclictest32586-21kworker/u16:2+efi_rts_wq00:21:083
4376992600,259cyclictest21267-21kworker/u16:3+efi_rts_wq00:10:121
4376992590,258cyclictest23341-21kworker/u16:0+efi_rts_wq22:04:441
4375992590,258cyclictest29032-21kworker/u16:1+efi_rts_wq22:59:530
4376992550,254cyclictest23341-21kworker/u16:0+efi_rts_wq22:24:481
4376992530,252cyclictest21267-21kworker/u16:3+efi_rts_wq22:09:451
4376992520,250cyclictest21267-21kworker/u16:3+efi_rts_wq23:25:121
4376992510,249cyclictest21267-21kworker/u16:3+efi_rts_wq23:05:141
4377992500,249cyclictest29488-21kworker/u16:2+efi_rts_wq21:00:132
4377992480,245cyclictest964-21kworker/u16:1+efi_rts_wq21:05:152
4378992440,243cyclictest21267-21kworker/u16:3+efi_rts_wq22:30:123
4376992440,243cyclictest29032-21kworker/u16:1+efi_rts_wq23:50:121
4378992430,242cyclictest29032-21kworker/u16:1+efi_rts_wq22:49:523
4375992430,240cyclictest21267-21kworker/u16:3+efi_rts_wq22:15:120
4377992420,241cyclictest29032-21kworker/u16:1+efi_rts_wq23:45:132
4376992420,241cyclictest29488-21kworker/u16:2+efi_rts_wq20:45:121
4376992420,241cyclictest29488-21kworker/u16:2+efi_rts_wq19:35:141
4377992410,240cyclictest964-21kworker/u16:1+efi_rts_wq20:00:102
4377992410,240cyclictest964-21kworker/u16:1+efi_rts_wq19:25:142
4375992410,240cyclictest32586-21kworker/u16:2+efi_rts_wq23:55:110
4378992400,239cyclictest23341-21kworker/u16:0+efi_rts_wq22:14:453
4378992390,238cyclictest29488-21kworker/u16:2+efi_rts_wq20:30:133
4376992390,238cyclictest21267-21kworker/u16:3+efi_rts_wq21:25:141
4375992390,238cyclictest964-21kworker/u16:1+efi_rts_wq19:54:210
4376992380,237cyclictest21267-21kworker/u16:3+efi_rts_wq22:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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