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2026-02-24 - 14:01
[ 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 Tue Feb 24, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76072326311,5sleep30-21swapper/319:09:033
76632324310,4sleep20-21swapper/219:09:462
8062993210,318cyclictest28576-21kworker/u16:3+efi_rts_wq23:25:132
74932319307,9sleep10-21swapper/119:07:331
8058993160,315cyclictest15749-21kworker/u16:3+efi_rts_wq21:05:130
73962315308,5sleep00-21swapper/019:06:200
8062993140,313cyclictest10978-21kworker/u16:1+efi_rts_wq23:45:122
8058993140,313cyclictest12902-21kworker/u16:0+efi_rts_wq19:35:140
8063993130,312cyclictest1698-21kworker/u16:3+efi_rts_wq21:55:123
8062993130,312cyclictest23001-21kworker/u16:1+efi_rts_wq23:10:132
8058993120,311cyclictest23001-21kworker/u16:1+efi_rts_wq23:20:130
8063993110,310cyclictest29236-21kworker/u16:1+efi_rts_wq21:25:263
8063993100,309cyclictest29239-21kworker/u16:2+efi_rts_wq20:00:103
8060993100,309cyclictest8968-21kworker/u16:0+efi_rts_wq22:45:141
8060993080,307cyclictest29239-21kworker/u16:2+efi_rts_wq20:15:141
8058993080,307cyclictest6320-21kworker/u16:0+efi_rts_wq21:50:130
8063993070,306cyclictest5840-21kworker/u16:3+efi_rts_wq00:05:123
8060993070,306cyclictest7499-21kworker/u16:1+efi_rts_wq20:50:121
8063993060,305cyclictest12902-21kworker/u16:0+efi_rts_wq20:40:133
8062993060,304cyclictest23001-21kworker/u16:1+efi_rts_wq23:20:142
8058993060,305cyclictest26945-21kworker/u16:3+efi_rts_wq22:50:410
8063993050,304cyclictest20676-21kworker/u16:3+efi_rts_wq19:25:133
8063993050,303cyclictest15297-21kworker/u16:2+efi_rts_wq22:10:143
8062993040,303cyclictest26945-21kworker/u16:3+efi_rts_wq22:30:392
8062993040,302cyclictest12902-21kworker/u16:0+efi_rts_wq20:35:172
8062993030,302cyclictest5840-21kworker/u16:3+efi_rts_wq23:55:122
8060993030,302cyclictest15297-21kworker/u16:2+efi_rts_wq22:15:141
8060993020,301cyclictest24954-21kworker/u16:2+efi_rts_wq21:15:141
8060993020,301cyclictest24954-21kworker/u16:2+efi_rts_wq21:15:131
8063993010,300cyclictest12902-21kworker/u16:0+efi_rts_wq20:10:123
8058993000,299cyclictest26945-21kworker/u16:3+efi_rts_wq22:25:120
8058993000,299cyclictest16425-21kworker/u16:0+efi_rts_wq00:00:120
8062992990,298cyclictest12902-21kworker/u16:0+efi_rts_wq20:15:142
8060992990,298cyclictest28066-21kworker/u16:0+efi_rts_wq00:35:111
8063992980,297cyclictest24642-21kworker/u16:0+efi_rts_wq22:05:343
8062992980,296cyclictest28576-21kworker/u16:3+efi_rts_wq23:15:132
8058992980,297cyclictest12902-21kworker/u16:0+efi_rts_wq20:35:150
8062992970,296cyclictest17504-21kworker/u16:2+efi_rts_wq23:05:122
8060992950,294cyclictest12902-21kworker/u16:0+efi_rts_wq20:40:171
8058992940,293cyclictest18947-21kworker/u16:1+efi_rts_wq00:25:590
8063992930,292cyclictest17504-21kworker/u16:2+efi_rts_wq23:15:463
8060992930,292cyclictest16425-21kworker/u16:0+efi_rts_wq00:00:131
8058992930,292cyclictest28066-21kworker/u16:0+efi_rts_wq00:35:110
8063992920,291cyclictest28066-21kworker/u16:0+efi_rts_wq00:36:003
8058992920,291cyclictest15749-21kworker/u16:3+efi_rts_wq20:55:130
8058992910,288cyclictest31784-21kworker/u16:0+efi_rts_wq21:10:230
8060992890,288cyclictest5840-21kworker/u16:3+efi_rts_wq00:10:141
8062992880,287cyclictest24954-21kworker/u16:2+efi_rts_wq21:00:132
8058992870,286cyclictest18947-21kworker/u16:1+efi_rts_wq00:05:550
8058992870,286cyclictest12902-21kworker/u16:0+efi_rts_wq19:10:010
8058992860,285cyclictest29239-21kworker/u16:2+efi_rts_wq20:10:120
8060992840,283cyclictest31784-21kworker/u16:0+efi_rts_wq21:10:131
8063992830,282cyclictest28066-21kworker/u16:0+efi_rts_wq00:20:133
8060992830,282cyclictest8254-21kworker/u16:1+efi_rts_wq19:45:151
8058992830,281cyclictest7499-21kworker/u16:1+efi_rts_wq20:50:130
8060992810,280cyclictest747-21kworker/u16:3+efi_rts_wq00:30:131
8060992810,280cyclictest15297-21kworker/u16:2+efi_rts_wq21:45:301
8063992800,279cyclictest1698-21kworker/u16:3+efi_rts_wq21:20:143
8062992790,278cyclictest17504-21kworker/u16:2+efi_rts_wq22:55:132
8063992770,276cyclictest5840-21kworker/u16:3+efi_rts_wq23:55:133
8063992770,276cyclictest31784-21kworker/u16:0+efi_rts_wq21:10:133
8063992770,276cyclictest28066-21kworker/u16:0+efi_rts_wq00:25:123
8060992760,275cyclictest6320-21kworker/u16:0+efi_rts_wq21:50:321
8063992750,274cyclictest6320-21kworker/u16:0+efi_rts_wq21:50:123
8063992750,274cyclictest10978-21kworker/u16:1+efi_rts_wq23:45:123
8060992740,273cyclictest26945-21kworker/u16:3+efi_rts_wq22:40:161
8060992740,273cyclictest20676-21kworker/u16:3+efi_rts_wq19:10:131
8058992740,272cyclictest28576-21kworker/u16:3+efi_rts_wq23:15:130
8063992730,272cyclictest12902-21kworker/u16:0+efi_rts_wq19:40:133
8063992720,271cyclictest12902-21kworker/u16:0+efi_rts_wq19:20:133
8060992710,270cyclictest12902-21kworker/u16:0+efi_rts_wq19:30:121
8060992700,269cyclictest10978-21kworker/u16:1+efi_rts_wq23:50:131
8058992700,269cyclictest17504-21kworker/u16:2+efi_rts_wq22:55:120
8062992660,265cyclictest1698-21kworker/u16:3+efi_rts_wq21:45:142
8058992640,263cyclictest12902-21kworker/u16:0+efi_rts_wq20:40:120
8063992610,260cyclictest12902-21kworker/u16:0+efi_rts_wq19:50:133
8062992610,260cyclictest6242-21kworker/u16:1+efi_rts_wq22:40:402
8063992600,259cyclictest7499-21kworker/u16:1+efi_rts_wq20:50:193
8063992600,259cyclictest12902-21kworker/u16:0+efi_rts_wq19:15:013
8060992600,259cyclictest29239-21kworker/u16:2+efi_rts_wq20:30:121
8058992600,259cyclictest1698-21kworker/u16:3+efi_rts_wq21:20:260
8058992600,259cyclictest13821-21kworker/u16:2+efi_rts_wq23:55:540
8058992590,258cyclictest26945-21kworker/u16:3+efi_rts_wq22:20:110
8058992590,257cyclictest5840-21kworker/u16:3+efi_rts_wq23:45:520
8063992580,256cyclictest5840-21kworker/u16:3+efi_rts_wq23:40:123
8062992570,256cyclictest12902-21kworker/u16:0+efi_rts_wq19:55:132
8063992550,254cyclictest26945-21kworker/u16:3+efi_rts_wq22:25:123
8063992540,253cyclictest12902-21kworker/u16:0+efi_rts_wq19:45:083
8062992540,253cyclictest7499-21kworker/u16:1+efi_rts_wq20:20:132
8060992530,252cyclictest8968-21kworker/u16:0+efi_rts_wq22:55:421
8058992530,252cyclictest29239-21kworker/u16:2+efi_rts_wq20:05:120
8058992530,252cyclictest1698-21kworker/u16:3+efi_rts_wq21:35:120
8063992500,249cyclictest7499-21kworker/u16:1+efi_rts_wq20:45:143
8058992490,248cyclictest12902-21kworker/u16:0+efi_rts_wq19:25:040
8063992460,245cyclictest6242-21kworker/u16:1+efi_rts_wq22:50:143
8058992460,245cyclictest29239-21kworker/u16:2+efi_rts_wq20:15:150
8062992440,243cyclictest15297-21kworker/u16:2+efi_rts_wq22:10:142
8063992430,242cyclictest17504-21kworker/u16:2+efi_rts_wq23:35:113
8062992430,242cyclictest15749-21kworker/u16:3+efi_rts_wq20:55:212
8062992430,241cyclictest17504-21kworker/u16:2+efi_rts_wq23:30:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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