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2026-02-16 - 06:41
[ 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 Mon Feb 16, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33712321307,4sleep20-21swapper/219:07:412
32652321313,5sleep30-21swapper/319:06:173
32682317310,5sleep10-21swapper/119:06:201
3816993150,313cyclictest20155-21kworker/u16:0+efi_rts_wq22:45:120
35162315308,5sleep00-21swapper/019:09:320
3816993130,312cyclictest27506-21kworker/u16:2+efi_rts_wq00:10:140
3817993120,311cyclictest9645-21kworker/u16:1+efi_rts_wq21:00:111
3816993080,307cyclictest24883-21kworker/u16:1+efi_rts_wq00:05:120
3817993070,306cyclictest9645-21kworker/u16:1+efi_rts_wq20:10:131
3816993070,306cyclictest27506-21kworker/u16:2+efi_rts_wq00:35:130
3818993060,305cyclictest20155-21kworker/u16:0+efi_rts_wq21:05:132
3818993060,305cyclictest20155-21kworker/u16:0+efi_rts_wq19:25:132
3816993060,303cyclictest9645-21kworker/u16:1+efi_rts_wq21:25:130
3819993040,303cyclictest20155-21kworker/u16:0+efi_rts_wq22:10:113
3817993040,303cyclictest9645-21kworker/u16:1+efi_rts_wq21:20:121
3817993040,303cyclictest9645-21kworker/u16:1+efi_rts_wq19:14:231
3816993040,303cyclictest7944-21kworker/u16:3+efi_rts_wq23:15:120
3817993030,302cyclictest20155-21kworker/u16:0+efi_rts_wq22:25:141
3816993010,300cyclictest24883-21kworker/u16:1+efi_rts_wq23:35:130
3817993000,299cyclictest9645-21kworker/u16:1+efi_rts_wq20:25:131
3819992990,298cyclictest9645-21kworker/u16:1+efi_rts_wq22:04:513
3817992990,298cyclictest20155-21kworker/u16:0+efi_rts_wq19:15:021
3817992980,296cyclictest13518-21kworker/u16:0+efi_rts_wq23:05:121
3817992970,296cyclictest9645-21kworker/u16:1+efi_rts_wq19:20:121
3817992970,295cyclictest20155-21kworker/u16:0+efi_rts_wq21:15:131
3817992960,295cyclictest20155-21kworker/u16:0+efi_rts_wq19:50:131
3817992960,295cyclictest13518-21kworker/u16:0+efi_rts_wq23:00:031
3817992950,294cyclictest9645-21kworker/u16:1+efi_rts_wq21:45:131
3817992950,294cyclictest20155-21kworker/u16:0+efi_rts_wq21:55:131
3819992940,293cyclictest9645-21kworker/u16:1+efi_rts_wq21:50:123
3819992930,290cyclictest20155-21kworker/u16:0+efi_rts_wq20:40:133
3816992930,292cyclictest24883-21kworker/u16:1+efi_rts_wq00:16:150
3816992930,289cyclictest27506-21kworker/u16:2+efi_rts_wq00:20:110
3816992930,289cyclictest27506-21kworker/u16:2+efi_rts_wq00:20:110
3819992920,291cyclictest9645-21kworker/u16:1+efi_rts_wq19:30:113
3816992920,291cyclictest20155-21kworker/u16:0+efi_rts_wq21:04:420
3819992910,290cyclictest20155-21kworker/u16:0+efi_rts_wq21:39:483
3818992910,290cyclictest20155-21kworker/u16:0+efi_rts_wq21:55:132
3817992910,290cyclictest20155-21kworker/u16:0+efi_rts_wq20:44:371
3816992910,290cyclictest13518-21kworker/u16:0+efi_rts_wq23:05:130
3816992900,289cyclictest9645-21kworker/u16:1+efi_rts_wq22:20:130
3817992890,288cyclictest24883-21kworker/u16:1+efi_rts_wq23:30:131
3819992880,287cyclictest9645-21kworker/u16:1+efi_rts_wq19:45:133
3817992880,287cyclictest9645-21kworker/u16:1+efi_rts_wq20:50:101
3817992880,287cyclictest20155-21kworker/u16:0+efi_rts_wq21:05:131
3819992870,286cyclictest27506-21kworker/u16:2+efi_rts_wq00:35:133
3818992870,285cyclictest27506-21kworker/u16:2+efi_rts_wq23:46:082
3818992860,285cyclictest9645-21kworker/u16:1+efi_rts_wq19:20:122
3819992840,283cyclictest27506-21kworker/u16:2+efi_rts_wq23:20:133
3819992840,283cyclictest24883-21kworker/u16:1+efi_rts_wq23:55:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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