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2026-02-01 - 08:56
[ 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 31, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48712335312,5sleep20-21swapper/207:07:042
48222320305,5sleep30-21swapper/307:06:253
50272317303,5sleep00-21swapper/007:09:020
49512315309,4sleep10-21swapper/107:08:031
5369993130,312cyclictest20375-21kworker/u16:0+efi_rts_wq07:55:142
5368993120,311cyclictest28437-21kworker/u16:3+efi_rts_wq07:15:021
5370993110,310cyclictest28437-21kworker/u16:3+efi_rts_wq08:30:133
5370993090,308cyclictest28437-21kworker/u16:3+efi_rts_wq09:02:473
5369993090,308cyclictest13421-21kworker/u16:1+efi_rts_wq10:40:122
5369993090,308cyclictest12167-21kworker/u16:1+efi_rts_wq07:40:102
5370993080,307cyclictest28437-21kworker/u16:3+efi_rts_wq07:52:353
5368993080,307cyclictest28437-21kworker/u16:3+efi_rts_wq08:50:141
5370993070,306cyclictest13421-21kworker/u16:1+efi_rts_wq09:42:543
5370993060,305cyclictest2555-21kworker/u16:3+efi_rts_wq11:20:123
5367993060,305cyclictest17016-21kworker/u16:2+efi_rts_wq12:15:130
5367993050,304cyclictest12167-21kworker/u16:1+efi_rts_wq07:10:130
5370993040,303cyclictest28437-21kworker/u16:3+efi_rts_wq08:02:373
5369993040,303cyclictest20375-21kworker/u16:0+efi_rts_wq08:55:132
5367993040,303cyclictest30072-21kworker/u16:2+efi_rts_wq09:30:130
5367993010,300cyclictest13421-21kworker/u16:1+efi_rts_wq11:10:100
5367992990,298cyclictest28437-21kworker/u16:3+efi_rts_wq09:10:130
5367992990,298cyclictest13421-21kworker/u16:1+efi_rts_wq10:10:160
5367992980,297cyclictest20375-21kworker/u16:0+efi_rts_wq08:45:120
5369992970,295cyclictest17016-21kworker/u16:2+efi_rts_wq11:30:132
5368992960,293cyclictest23963-21kworker/u16:0+efi_rts_wq12:10:141
5370992950,294cyclictest28437-21kworker/u16:3+efi_rts_wq09:10:133
5369992950,294cyclictest23963-21kworker/u16:0+efi_rts_wq12:25:132
5368992940,293cyclictest30072-21kworker/u16:2+efi_rts_wq09:55:131
5370992930,292cyclictest30072-21kworker/u16:2+efi_rts_wq09:52:553
5370992930,292cyclictest28437-21kworker/u16:3+efi_rts_wq07:15:143
5367992930,291cyclictest17016-21kworker/u16:2+efi_rts_wq11:25:140
5369992920,291cyclictest13421-21kworker/u16:1+efi_rts_wq11:15:152
5367992910,290cyclictest23963-21kworker/u16:0+efi_rts_wq12:10:130
5370992880,287cyclictest12167-21kworker/u16:1+efi_rts_wq07:30:133
5368992870,286cyclictest17016-21kworker/u16:2+efi_rts_wq12:30:131
5367992870,286cyclictest30072-21kworker/u16:2+efi_rts_wq09:35:100
5367992860,285cyclictest12167-21kworker/u16:1+efi_rts_wq07:40:100
5370992840,283cyclictest13421-21kworker/u16:1+efi_rts_wq11:00:113
5368992840,283cyclictest17016-21kworker/u16:2+efi_rts_wq12:35:161
5367992840,283cyclictest17016-21kworker/u16:2+efi_rts_wq11:30:130
5368992830,282cyclictest28437-21kworker/u16:3+efi_rts_wq09:00:131
5370992820,281cyclictest20375-21kworker/u16:0+efi_rts_wq09:07:483
5370992810,279cyclictest17016-21kworker/u16:2+efi_rts_wq12:00:103
5369992810,280cyclictest30072-21kworker/u16:2+efi_rts_wq10:15:142
5369992810,280cyclictest28437-21kworker/u16:3+efi_rts_wq08:15:142
5368992810,280cyclictest12167-21kworker/u16:1+efi_rts_wq07:20:151
5368992810,279cyclictest17016-21kworker/u16:2+efi_rts_wq12:00:111
5368992790,278cyclictest20375-21kworker/u16:0+efi_rts_wq08:27:411
5369992760,275cyclictest13421-21kworker/u16:1+efi_rts_wq10:20:132
5367992760,275cyclictest28437-21kworker/u16:3+efi_rts_wq09:20:130
5370992740,273cyclictest13421-21kworker/u16:1+efi_rts_wq10:12:573
5370992720,270cyclictest13421-21kworker/u16:1+efi_rts_wq10:40:113
5370992710,270cyclictest20375-21kworker/u16:0+efi_rts_wq08:25:133
5369992700,269cyclictest28437-21kworker/u16:3+efi_rts_wq08:00:132
5370992690,268cyclictest23963-21kworker/u16:0+efi_rts_wq11:55:123
5368992680,267cyclictest13421-21kworker/u16:1+efi_rts_wq10:10:161
5367992680,267cyclictest28437-21kworker/u16:3+efi_rts_wq08:32:420
5368992640,263cyclictest30072-21kworker/u16:2+efi_rts_wq10:38:031
5370992630,262cyclictest28437-21kworker/u16:3+efi_rts_wq07:45:133
5369992630,262cyclictest13421-21kworker/u16:1+efi_rts_wq11:03:062
5369992630,260cyclictest20375-21kworker/u16:0+efi_rts_wq09:05:132
5368992630,262cyclictest30072-21kworker/u16:2+efi_rts_wq09:45:141
5368992630,262cyclictest17016-21kworker/u16:2+efi_rts_wq11:45:121
5369992620,261cyclictest23963-21kworker/u16:0+efi_rts_wq11:40:132
5369992600,259cyclictest30072-21kworker/u16:2+efi_rts_wq09:25:142
5369992590,257cyclictest13421-21kworker/u16:1+efi_rts_wq10:50:132
5367992590,258cyclictest23963-21kworker/u16:0+efi_rts_wq11:40:140
5367992580,257cyclictest20375-21kworker/u16:0+efi_rts_wq08:05:130
5370992570,256cyclictest17016-21kworker/u16:2+efi_rts_wq11:35:133
5370992560,255cyclictest17016-21kworker/u16:2+efi_rts_wq12:35:163
5367992530,252cyclictest13421-21kworker/u16:1+efi_rts_wq11:05:120
5368992520,251cyclictest12167-21kworker/u16:1+efi_rts_wq07:35:121
5367992520,250cyclictest30072-21kworker/u16:2+efi_rts_wq10:48:030
5368992510,250cyclictest17016-21kworker/u16:2+efi_rts_wq11:35:131
5367992510,250cyclictest20375-21kworker/u16:0+efi_rts_wq09:15:140
5367992500,249cyclictest28437-21kworker/u16:3+efi_rts_wq07:47:340
5369992490,248cyclictest30072-21kworker/u16:2+efi_rts_wq09:55:132
5369992490,248cyclictest23963-21kworker/u16:0+efi_rts_wq12:20:102
5367992480,247cyclictest13421-21kworker/u16:1+efi_rts_wq09:40:130
5370992460,245cyclictest20375-21kworker/u16:0+efi_rts_wq08:20:113
5370992460,245cyclictest17016-21kworker/u16:2+efi_rts_wq11:43:143
5369992450,244cyclictest20375-21kworker/u16:0+efi_rts_wq08:35:132
5370992440,243cyclictest2555-21kworker/u16:3+efi_rts_wq10:55:133
5370992420,241cyclictest23963-21kworker/u16:0+efi_rts_wq11:48:153
5370992420,241cyclictest17016-21kworker/u16:2+efi_rts_wq11:30:123
5370992400,239cyclictest20375-21kworker/u16:0+efi_rts_wq08:10:133
5370992400,239cyclictest20375-21kworker/u16:0+efi_rts_wq08:10:123
5370992390,237cyclictest17016-21kworker/u16:2+efi_rts_wq11:50:143
5369992390,237cyclictest30072-21kworker/u16:2+efi_rts_wq10:35:132
5368992360,235cyclictest13421-21kworker/u16:1+efi_rts_wq11:18:081
5370992350,234cyclictest13421-21kworker/u16:1+efi_rts_wq11:15:143
5367992350,234cyclictest20375-21kworker/u16:0+efi_rts_wq08:22:400
5369992330,232cyclictest28437-21kworker/u16:3+efi_rts_wq07:15:142
5368992330,232cyclictest20375-21kworker/u16:0+efi_rts_wq08:45:131
5368992320,231cyclictest20375-21kworker/u16:0+efi_rts_wq08:57:471
5367992300,227cyclictest28437-21kworker/u16:3+efi_rts_wq09:00:130
5368992290,228cyclictest28437-21kworker/u16:3+efi_rts_wq08:40:131
5370992280,227cyclictest12167-21kworker/u16:1+efi_rts_wq07:22:293
5369992270,226cyclictest13421-21kworker/u16:1+efi_rts_wq09:40:132
5367992260,225cyclictest28437-21kworker/u16:3+efi_rts_wq08:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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