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2026-02-18 - 14:27
[ 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 Wed Feb 18, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224382318305,10sleep20-21swapper/219:09:222
221942318311,5sleep30-21swapper/319:06:133
221802317310,5sleep10-21swapper/119:06:041
22751993160,315cyclictest2429-21kworker/u16:0+efi_rts_wq19:40:130
223602315307,5sleep00-21swapper/019:08:230
22752993140,313cyclictest25017-21kworker/u16:1+efi_rts_wq22:25:121
22754993110,310cyclictest25017-21kworker/u16:1+efi_rts_wq19:20:133
22753993110,308cyclictest16495-21kworker/u16:3+efi_rts_wq00:00:132
22752993100,309cyclictest3754-21kworker/u16:0+efi_rts_wq00:05:131
22751993100,309cyclictest25017-21kworker/u16:1+efi_rts_wq19:50:120
22751993090,308cyclictest25017-21kworker/u16:1+efi_rts_wq21:50:120
22753993060,305cyclictest25017-21kworker/u16:1+efi_rts_wq21:35:122
22754993050,304cyclictest25017-21kworker/u16:1+efi_rts_wq19:10:143
22751993040,303cyclictest9940-21kworker/u16:2+efi_rts_wq22:30:140
22754993030,302cyclictest9940-21kworker/u16:2+efi_rts_wq00:10:123
22753993020,301cyclictest25017-21kworker/u16:1+efi_rts_wq21:00:132
22752993020,301cyclictest16495-21kworker/u16:3+efi_rts_wq00:30:121
22751993020,301cyclictest25017-21kworker/u16:1+efi_rts_wq21:40:130
22752993010,300cyclictest9940-21kworker/u16:2+efi_rts_wq21:20:141
22752992990,298cyclictest22022-21kworker/u16:3+efi_rts_wq22:49:501
22754992980,297cyclictest25017-21kworker/u16:1+efi_rts_wq19:45:143
22752992980,297cyclictest25017-21kworker/u16:1+efi_rts_wq21:14:371
22752992980,297cyclictest25017-21kworker/u16:1+efi_rts_wq20:59:321
22751992980,297cyclictest2429-21kworker/u16:0+efi_rts_wq19:24:140
22752992970,296cyclictest25017-21kworker/u16:1+efi_rts_wq22:10:131
22751992970,296cyclictest15338-21kworker/u16:1+efi_rts_wq00:35:130
22754992950,294cyclictest16495-21kworker/u16:3+efi_rts_wq00:00:123
22751992940,293cyclictest2429-21kworker/u16:0+efi_rts_wq20:05:120
22752992930,292cyclictest25017-21kworker/u16:1+efi_rts_wq20:20:131
22751992920,291cyclictest16495-21kworker/u16:3+efi_rts_wq23:50:120
22753992910,290cyclictest25017-21kworker/u16:1+efi_rts_wq19:50:122
22752992910,288cyclictest19306-21kworker/u16:0+efi_rts_wq22:40:121
22751992910,290cyclictest25017-21kworker/u16:1+efi_rts_wq21:59:420
22754992900,289cyclictest9940-21kworker/u16:2+efi_rts_wq21:45:133
22754992890,288cyclictest25017-21kworker/u16:1+efi_rts_wq21:55:113
22754992880,287cyclictest2429-21kworker/u16:0+efi_rts_wq19:15:153
22753992880,287cyclictest25017-21kworker/u16:1+efi_rts_wq21:19:372
22752992880,287cyclictest25017-21kworker/u16:1+efi_rts_wq19:59:211
22751992880,287cyclictest9940-21kworker/u16:2+efi_rts_wq21:20:140
22751992880,287cyclictest9940-21kworker/u16:2+efi_rts_wq00:25:080
22751992880,287cyclictest2429-21kworker/u16:0+efi_rts_wq20:25:140
22754992870,284cyclictest25017-21kworker/u16:1+efi_rts_wq20:55:143
22753992870,285cyclictest16495-21kworker/u16:3+efi_rts_wq23:55:122
22751992870,286cyclictest2429-21kworker/u16:0+efi_rts_wq20:35:110
22754992860,285cyclictest9940-21kworker/u16:2+efi_rts_wq23:40:123
22754992860,285cyclictest25017-21kworker/u16:1+efi_rts_wq20:10:133
22752992860,285cyclictest3754-21kworker/u16:0+efi_rts_wq00:20:131
22752992860,285cyclictest25017-21kworker/u16:1+efi_rts_wq21:00:141
22751992860,285cyclictest25017-21kworker/u16:1+efi_rts_wq19:30:140
22753992850,284cyclictest5459-21kworker/u16:0+efi_rts_wq23:20:112
22751992850,283cyclictest16495-21kworker/u16:3+efi_rts_wq23:30:120
22754992830,282cyclictest9940-21kworker/u16:2+efi_rts_wq22:00:113
22751992830,282cyclictest5459-21kworker/u16:0+efi_rts_wq23:10:120
22751992820,281cyclictest22022-21kworker/u16:3+efi_rts_wq22:59:520
22754992810,280cyclictest25017-21kworker/u16:1+efi_rts_wq19:25:143
22752992810,280cyclictest16495-21kworker/u16:3+efi_rts_wq23:35:131
22753992800,279cyclictest25017-21kworker/u16:1+efi_rts_wq22:10:132
22754992790,278cyclictest9940-21kworker/u16:2+efi_rts_wq22:30:143
22754992780,277cyclictest3754-21kworker/u16:0+efi_rts_wq00:25:153
22752992770,276cyclictest2429-21kworker/u16:0+efi_rts_wq20:39:281
22754992760,275cyclictest25017-21kworker/u16:1+efi_rts_wq22:09:443
22754992760,275cyclictest2429-21kworker/u16:0+efi_rts_wq20:34:273
22754992750,274cyclictest25017-21kworker/u16:1+efi_rts_wq20:20:133
22751992750,274cyclictest2429-21kworker/u16:0+efi_rts_wq19:55:130
22754992730,272cyclictest15338-21kworker/u16:1+efi_rts_wq00:35:143
22752992730,272cyclictest25017-21kworker/u16:1+efi_rts_wq20:15:121
22752992730,272cyclictest2429-21kworker/u16:0+efi_rts_wq19:14:121
22751992720,271cyclictest9940-21kworker/u16:2+efi_rts_wq22:00:110
22754992710,269cyclictest22022-21kworker/u16:3+efi_rts_wq23:00:133
22751992710,270cyclictest3754-21kworker/u16:0+efi_rts_wq00:15:120
22754992700,269cyclictest9940-21kworker/u16:2+efi_rts_wq22:15:123
22754992700,269cyclictest25017-21kworker/u16:1+efi_rts_wq20:00:133
22754992680,267cyclictest9940-21kworker/u16:2+efi_rts_wq23:15:133
22753992680,267cyclictest22022-21kworker/u16:3+efi_rts_wq22:55:122
22754992670,266cyclictest2429-21kworker/u16:0+efi_rts_wq20:50:133
22753992650,264cyclictest5459-21kworker/u16:0+efi_rts_wq23:05:122
22754992640,263cyclictest9940-21kworker/u16:2+efi_rts_wq22:24:463
22753992640,263cyclictest9940-21kworker/u16:2+efi_rts_wq23:50:012
22754992630,262cyclictest16495-21kworker/u16:3+efi_rts_wq23:50:123
22752992620,261cyclictest25017-21kworker/u16:1+efi_rts_wq20:10:131
22754992610,260cyclictest25017-21kworker/u16:1+efi_rts_wq20:45:133
22752992610,260cyclictest25017-21kworker/u16:1+efi_rts_wq22:05:131
22754992600,257cyclictest2429-21kworker/u16:0+efi_rts_wq19:55:143
22752992600,259cyclictest19306-21kworker/u16:0+efi_rts_wq22:35:131
22752992600,259cyclictest19306-21kworker/u16:0+efi_rts_wq22:35:131
22754992570,256cyclictest2429-21kworker/u16:0+efi_rts_wq19:44:173
22753992570,256cyclictest25017-21kworker/u16:1+efi_rts_wq20:55:142
22751992570,256cyclictest9940-21kworker/u16:2+efi_rts_wq21:30:140
22754992560,255cyclictest3754-21kworker/u16:0+efi_rts_wq00:15:133
22754992520,251cyclictest9940-21kworker/u16:2+efi_rts_wq21:25:113
22753992520,251cyclictest3754-21kworker/u16:0+efi_rts_wq00:20:132
22754992480,247cyclictest25017-21kworker/u16:1+efi_rts_wq22:25:123
22754992470,245cyclictest9940-21kworker/u16:2+efi_rts_wq23:25:133
22752992460,245cyclictest16495-21kworker/u16:3+efi_rts_wq23:45:121
22751992440,243cyclictest9940-21kworker/u16:2+efi_rts_wq21:10:130
22751992430,242cyclictest2429-21kworker/u16:0+efi_rts_wq20:44:300
22753992410,240cyclictest19306-21kworker/u16:0+efi_rts_wq22:35:142
22753992410,240cyclictest19306-21kworker/u16:0+efi_rts_wq22:35:132
22752992410,240cyclictest9940-21kworker/u16:2+efi_rts_wq22:30:141
22754992390,238cyclictest9940-21kworker/u16:2+efi_rts_wq22:45:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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