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2026-02-17 - 04:37
[ 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 50 highest latencies:
System rackcslot3s.osadl.org (updated Tue Feb 17, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75652323315,5sleep10-21swapper/119:09:051
55702321313,5sleep30-21swapper/319:05:073
75832318310,5sleep20-21swapper/219:09:182
74082317306,9sleep00-21swapper/019:07:040
7903993150,314cyclictest15950-21kworker/u16:1+efi_rts_wq22:40:180
7906993140,313cyclictest15950-21kworker/u16:1+efi_rts_wq21:35:073
7903993130,312cyclictest2696-21kworker/u16:0+efi_rts_wq23:15:260
7903993120,311cyclictest603-21kworker/u16:0+efi_rts_wq00:35:130
7906993110,310cyclictest13703-21kworker/u16:2+efi_rts_wq23:55:123
7905993110,310cyclictest6216-21kworker/u16:1+efi_rts_wq23:50:122
7903993110,310cyclictest15950-21kworker/u16:1+efi_rts_wq20:00:130
7906993090,308cyclictest15950-21kworker/u16:1+efi_rts_wq22:05:123
7904993080,307cyclictest15950-21kworker/u16:1+efi_rts_wq20:50:141
7904993080,307cyclictest15950-21kworker/u16:1+efi_rts_wq20:40:131
7904993080,306cyclictest2696-21kworker/u16:0+efi_rts_wq21:35:121
7906993070,306cyclictest2696-21kworker/u16:0+efi_rts_wq21:25:123
7905993060,305cyclictest25719-21kworker/u16:3+efi_rts_wq23:40:112
7904993030,302cyclictest2696-21kworker/u16:0+efi_rts_wq22:30:121
7906993020,301cyclictest2696-21kworker/u16:0+efi_rts_wq20:39:593
7904993020,301cyclictest15950-21kworker/u16:1+efi_rts_wq19:39:481
7906993010,300cyclictest2696-21kworker/u16:0+efi_rts_wq20:34:573
7905993010,300cyclictest2696-21kworker/u16:0+efi_rts_wq19:25:142
7903993010,300cyclictest13703-21kworker/u16:2+efi_rts_wq00:25:390
7906992990,298cyclictest2696-21kworker/u16:0+efi_rts_wq23:20:143
7904992980,297cyclictest2696-21kworker/u16:0+efi_rts_wq20:55:111
7904992980,297cyclictest15950-21kworker/u16:1+efi_rts_wq19:10:121
7903992980,296cyclictest6216-21kworker/u16:1+efi_rts_wq00:00:130
7905992970,296cyclictest15950-21kworker/u16:1+efi_rts_wq21:10:142
7903992950,294cyclictest2696-21kworker/u16:0+efi_rts_wq23:30:110
7903992950,294cyclictest15950-21kworker/u16:1+efi_rts_wq21:20:140
7904992940,293cyclictest13703-21kworker/u16:2+efi_rts_wq00:25:131
7904992920,291cyclictest6216-21kworker/u16:1+efi_rts_wq00:05:131
7905992910,290cyclictest15950-21kworker/u16:1+efi_rts_wq22:15:142
7904992910,290cyclictest6216-21kworker/u16:1+efi_rts_wq23:50:121
7903992900,289cyclictest15950-21kworker/u16:1+efi_rts_wq23:00:120
7906992890,288cyclictest15950-21kworker/u16:1+efi_rts_wq19:24:453
7905992890,288cyclictest15950-21kworker/u16:1+efi_rts_wq20:10:132
7904992890,288cyclictest6216-21kworker/u16:1+efi_rts_wq00:15:371
7903992880,287cyclictest6216-21kworker/u16:1+efi_rts_wq23:45:320
7903992880,287cyclictest6216-21kworker/u16:1+efi_rts_wq00:15:140
7906992870,286cyclictest2696-21kworker/u16:0+efi_rts_wq19:40:123
7905992860,284cyclictest25719-21kworker/u16:3+efi_rts_wq23:35:132
7903992860,285cyclictest2696-21kworker/u16:0+efi_rts_wq21:15:120
7904992850,284cyclictest2696-21kworker/u16:0+efi_rts_wq20:30:141
7903992850,284cyclictest2696-21kworker/u16:0+efi_rts_wq22:50:130
7903992850,284cyclictest15950-21kworker/u16:1+efi_rts_wq20:35:100
7906992840,282cyclictest2696-21kworker/u16:0+efi_rts_wq20:20:133
7905992840,283cyclictest2696-21kworker/u16:0+efi_rts_wq19:15:142
7906992820,281cyclictest2696-21kworker/u16:0+efi_rts_wq19:54:503
7905992820,281cyclictest15950-21kworker/u16:1+efi_rts_wq23:00:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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