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2026-01-20 - 07:25
[ 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 Jan 20, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195552323315,5sleep30-21swapper/319:05:593
180312323316,5sleep20-21swapper/219:05:102
20136993190,317cyclictest13165-21kworker/u16:1+efi_rts_wq22:40:132
20136993190,317cyclictest13165-21kworker/u16:1+efi_rts_wq22:40:122
20134993160,314cyclictest24656-21kworker/u16:0+efi_rts_wq23:25:140
197952316308,5sleep00-21swapper/019:09:030
20135993150,314cyclictest15669-21kworker/u16:3+efi_rts_wq00:05:151
196152314306,5sleep10-21swapper/119:06:451
20137993120,311cyclictest24656-21kworker/u16:0+efi_rts_wq00:10:233
20134993120,311cyclictest13165-21kworker/u16:1+efi_rts_wq21:40:110
20137993100,309cyclictest24656-21kworker/u16:0+efi_rts_wq23:45:113
20134993090,308cyclictest13165-21kworker/u16:1+efi_rts_wq21:30:130
20137993080,307cyclictest15669-21kworker/u16:3+efi_rts_wq22:05:133
20134993080,307cyclictest24656-21kworker/u16:0+efi_rts_wq23:40:160
20136993070,306cyclictest15669-21kworker/u16:3+efi_rts_wq22:25:102
20134993070,306cyclictest15669-21kworker/u16:3+efi_rts_wq20:30:110
20134993070,306cyclictest15669-21kworker/u16:3+efi_rts_wq19:50:130
20135993060,305cyclictest15669-21kworker/u16:3+efi_rts_wq20:40:141
20135993060,305cyclictest13165-21kworker/u16:1+efi_rts_wq19:25:141
20135993040,302cyclictest15669-21kworker/u16:3+efi_rts_wq22:50:141
20135993030,302cyclictest24656-21kworker/u16:0+efi_rts_wq23:55:151
20137993020,301cyclictest13165-21kworker/u16:1+efi_rts_wq21:55:143
20137993010,300cyclictest24656-21kworker/u16:0+efi_rts_wq23:15:113
20134993010,300cyclictest13165-21kworker/u16:1+efi_rts_wq21:35:130
20136992980,296cyclictest24656-21kworker/u16:0+efi_rts_wq23:05:132
20137992960,295cyclictest15669-21kworker/u16:3+efi_rts_wq19:55:123
20137992950,294cyclictest13165-21kworker/u16:1+efi_rts_wq20:55:133
20137992940,293cyclictest15669-21kworker/u16:3+efi_rts_wq20:05:143
20135992940,293cyclictest13165-21kworker/u16:1+efi_rts_wq19:20:121
20135992930,292cyclictest15669-21kworker/u16:3+efi_rts_wq21:29:531
20136992910,290cyclictest13165-21kworker/u16:1+efi_rts_wq20:20:132
20135992910,290cyclictest15669-21kworker/u16:3+efi_rts_wq19:30:121
20136992890,288cyclictest15669-21kworker/u16:3+efi_rts_wq23:20:142
20135992890,288cyclictest13165-21kworker/u16:1+efi_rts_wq19:45:131
20137992880,287cyclictest13165-21kworker/u16:1+efi_rts_wq22:10:133
20136992880,287cyclictest15669-21kworker/u16:3+efi_rts_wq21:15:112
20135992880,287cyclictest15669-21kworker/u16:3+efi_rts_wq19:40:141
20135992870,286cyclictest13165-21kworker/u16:1+efi_rts_wq21:49:581
20137992860,285cyclictest24656-21kworker/u16:0+efi_rts_wq23:55:143
20137992860,285cyclictest24656-21kworker/u16:0+efi_rts_wq00:00:143
20134992860,283cyclictest24656-21kworker/u16:0+efi_rts_wq00:30:110
20135992840,283cyclictest13165-21kworker/u16:1+efi_rts_wq22:30:111
20134992840,283cyclictest15669-21kworker/u16:3+efi_rts_wq19:10:130
20137992810,280cyclictest15669-21kworker/u16:3+efi_rts_wq00:35:123
20135992810,280cyclictest15669-21kworker/u16:3+efi_rts_wq22:55:131
20135992780,277cyclictest13165-21kworker/u16:1+efi_rts_wq19:59:371
20134992780,277cyclictest15669-21kworker/u16:3+efi_rts_wq19:24:330
20134992770,276cyclictest13165-21kworker/u16:1+efi_rts_wq22:30:050
20134992730,272cyclictest13165-21kworker/u16:1+efi_rts_wq21:10:120
20134992720,271cyclictest15669-21kworker/u16:3+efi_rts_wq19:40:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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