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2026-01-16 - 15:14
[ 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 Fri Jan 16, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308552328302,9sleep30-21swapper/307:07:133
307692324318,4sleep20-21swapper/207:06:092
308722319305,5sleep00-21swapper/007:07:270
308832317311,4sleep10-21swapper/107:07:361
31335993150,313cyclictest16503-21kworker/u16:0+efi_rts_wq10:35:120
31338993120,311cyclictest23463-21kworker/u16:0+efi_rts_wq12:05:123
31337993110,308cyclictest13696-21kworker/u16:3+efi_rts_wq11:55:122
31336993110,310cyclictest16503-21kworker/u16:0+efi_rts_wq10:35:131
31336993100,309cyclictest24126-21kworker/u16:3+efi_rts_wq08:15:201
31336993090,308cyclictest26202-21kworker/u16:2+efi_rts_wq08:30:121
31337993080,307cyclictest10221-21kworker/u16:1+efi_rts_wq10:25:132
31337993070,306cyclictest10221-21kworker/u16:1+efi_rts_wq10:15:122
31336993070,306cyclictest10221-21kworker/u16:1+efi_rts_wq10:20:111
31335993070,306cyclictest31009-21kworker/u16:2+efi_rts_wq11:30:130
31335993070,306cyclictest26202-21kworker/u16:2+efi_rts_wq08:15:200
31338993060,305cyclictest17759-21kworker/u16:3+efi_rts_wq07:52:033
31338993060,303cyclictest1173-21kworker/u16:3+efi_rts_wq11:05:113
31337993050,304cyclictest3151-21kworker/u16:0+efi_rts_wq08:00:132
31336993050,304cyclictest1733-21kworker/u16:0+efi_rts_wq09:50:111
31338993040,303cyclictest30468-21kworker/u16:1+efi_rts_wq09:10:123
31337993040,302cyclictest20830-21kworker/u16:1+efi_rts_wq10:45:132
31335993040,303cyclictest3151-21kworker/u16:0+efi_rts_wq07:42:020
31338993020,301cyclictest28502-21kworker/u16:0+efi_rts_wq11:15:133
31336993020,301cyclictest19354-21kworker/u16:0+efi_rts_wq09:40:111
31335993020,301cyclictest8922-21kworker/u16:3+efi_rts_wq07:15:360
31338993010,300cyclictest28502-21kworker/u16:0+efi_rts_wq11:00:123
31336993010,300cyclictest8922-21kworker/u16:3+efi_rts_wq07:15:011
31336993010,300cyclictest29963-21kworker/u16:1+efi_rts_wq12:02:501
31338993000,299cyclictest32549-21kworker/u16:0+efi_rts_wq09:00:133
31338993000,299cyclictest31009-21kworker/u16:2+efi_rts_wq11:25:083
31338993000,299cyclictest24126-21kworker/u16:3+efi_rts_wq08:27:103
31337993000,299cyclictest13696-21kworker/u16:3+efi_rts_wq11:45:142
31337993000,297cyclictest30468-21kworker/u16:1+efi_rts_wq08:50:122
31337992990,298cyclictest6276-21kworker/u16:1+efi_rts_wq11:10:132
31338992980,297cyclictest13696-21kworker/u16:3+efi_rts_wq11:40:123
31337992970,296cyclictest3151-21kworker/u16:0+efi_rts_wq08:10:122
31336992960,294cyclictest28502-21kworker/u16:0+efi_rts_wq10:50:121
31337992940,293cyclictest19354-21kworker/u16:0+efi_rts_wq09:15:132
31336992940,293cyclictest3903-21kworker/u16:3+efi_rts_wq12:35:131
31338992930,292cyclictest27777-21kworker/u16:2+efi_rts_wq09:45:133
31336992930,292cyclictest31009-21kworker/u16:2+efi_rts_wq11:12:401
31335992910,290cyclictest26579-21kworker/u16:1+efi_rts_wq07:27:000
31336992870,286cyclictest32093-21kworker/u16:2+efi_rts_wq12:20:121
31336992870,286cyclictest32093-21kworker/u16:2+efi_rts_wq12:20:121
31336992870,286cyclictest28502-21kworker/u16:0+efi_rts_wq11:35:101
31337992860,284cyclictest23373-21kworker/u16:2+efi_rts_wq10:37:342
31338992850,284cyclictest28502-21kworker/u16:0+efi_rts_wq11:22:423
31336992830,280cyclictest10221-21kworker/u16:1+efi_rts_wq10:25:131
31335992830,282cyclictest31009-21kworker/u16:2+efi_rts_wq10:55:110
31338992810,279cyclictest31009-21kworker/u16:2+efi_rts_wq11:30:123
31336992800,279cyclictest7469-21kworker/u16:2+efi_rts_wq07:50:111
31336992790,278cyclictest3151-21kworker/u16:0+efi_rts_wq07:32:011
31338992780,277cyclictest7469-21kworker/u16:2+efi_rts_wq07:47:033
31335992760,275cyclictest14429-21kworker/u16:0+efi_rts_wq07:10:110
31338992750,274cyclictest32549-21kworker/u16:0+efi_rts_wq08:45:133
31336992750,274cyclictest30468-21kworker/u16:1+efi_rts_wq08:50:111
31335992750,274cyclictest32053-21kworker/u16:3+efi_rts_wq10:05:120
31335992750,274cyclictest30468-21kworker/u16:1+efi_rts_wq08:37:120
31338992740,273cyclictest26579-21kworker/u16:1+efi_rts_wq07:20:123
31336992740,273cyclictest32053-21kworker/u16:3+efi_rts_wq09:55:111
31335992740,273cyclictest3151-21kworker/u16:0+efi_rts_wq08:10:120
31335992740,273cyclictest18328-21kworker/u16:2+efi_rts_wq11:37:450
31336992720,271cyclictest8125-21kworker/u16:0+efi_rts_wq10:07:291
31335992720,271cyclictest3854-21kworker/u16:1+efi_rts_wq10:02:280
31336992700,269cyclictest30468-21kworker/u16:1+efi_rts_wq08:55:131
31336992690,268cyclictest13696-21kworker/u16:3+efi_rts_wq11:45:141
31338992680,267cyclictest32549-21kworker/u16:0+efi_rts_wq08:32:113
31338992680,267cyclictest21454-21kworker/u16:3+efi_rts_wq09:20:123
31338992680,267cyclictest20830-21kworker/u16:1+efi_rts_wq10:45:133
31336992670,266cyclictest19354-21kworker/u16:0+efi_rts_wq09:22:201
31338992660,265cyclictest3151-21kworker/u16:0+efi_rts_wq08:05:113
31338992650,264cyclictest10221-21kworker/u16:1+efi_rts_wq10:15:123
31337992610,260cyclictest10221-21kworker/u16:1+efi_rts_wq10:10:122
31338992590,257cyclictest32053-21kworker/u16:3+efi_rts_wq10:05:123
31338992580,257cyclictest7469-21kworker/u16:2+efi_rts_wq07:55:133
31338992560,255cyclictest3151-21kworker/u16:0+efi_rts_wq07:35:123
31336992560,255cyclictest27777-21kworker/u16:2+efi_rts_wq09:45:131
31337992550,254cyclictest5380-21kworker/u16:3+efi_rts_wq07:25:102
31337992550,254cyclictest25681-21kworker/u16:3+efi_rts_wq09:30:122
31335992550,254cyclictest13696-21kworker/u16:3+efi_rts_wq12:10:110
31336992540,253cyclictest14429-21kworker/u16:0+efi_rts_wq07:10:111
31337992530,252cyclictest4395-21kworker/u16:2+efi_rts_wq08:40:122
31336992530,252cyclictest30468-21kworker/u16:1+efi_rts_wq09:02:171
31336992530,252cyclictest30468-21kworker/u16:1+efi_rts_wq08:42:121
31336992530,252cyclictest20830-21kworker/u16:1+efi_rts_wq10:45:131
31338992520,251cyclictest18579-21kworker/u16:3+efi_rts_wq10:52:373
31336992520,251cyclictest26579-21kworker/u16:1+efi_rts_wq07:20:121
31337992510,250cyclictest23463-21kworker/u16:0+efi_rts_wq12:05:112
31336992510,250cyclictest13696-21kworker/u16:3+efi_rts_wq11:40:111
31335992510,249cyclictest18579-21kworker/u16:3+efi_rts_wq10:40:110
31335992490,248cyclictest18328-21kworker/u16:2+efi_rts_wq11:45:130
31337992480,247cyclictest3151-21kworker/u16:0+efi_rts_wq07:40:122
31335992470,246cyclictest23591-21kworker/u16:2+efi_rts_wq09:25:140
31337992450,244cyclictest1173-21kworker/u16:3+efi_rts_wq11:02:392
31335992450,244cyclictest32549-21kworker/u16:0+efi_rts_wq08:57:160
31338992400,239cyclictest14831-21kworker/u16:3+efi_rts_wq09:07:183
31335992400,239cyclictest12337-21kworker/u16:2+efi_rts_wq10:22:310
31336992390,238cyclictest24126-21kworker/u16:3+efi_rts_wq08:20:121
31335992380,237cyclictest30468-21kworker/u16:1+efi_rts_wq09:12:190
31338992370,236cyclictest29963-21kworker/u16:1+efi_rts_wq12:15:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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