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2026-02-18 - 20:39
[ 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 Wed Feb 18, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22252321306,5sleep30-21swapper/307:07:273
22682320306,5sleep10-21swapper/107:08:011
20662318304,4sleep20-21swapper/207:05:252
2689993170,315cyclictest1458-21kworker/u16:2+efi_rts_wq10:35:123
22622315307,5sleep00-21swapper/007:07:560
2688993140,313cyclictest24102-21kworker/u16:1+efi_rts_wq09:30:132
2689993130,312cyclictest25673-21kworker/u16:1+efi_rts_wq11:30:133
2687993120,311cyclictest19484-21kworker/u16:3+efi_rts_wq07:55:121
2688993110,309cyclictest464-21kworker/u16:0+efi_rts_wq12:15:142
2689993100,309cyclictest30948-21kworker/u16:0+efi_rts_wq10:02:033
2686993100,309cyclictest22957-21kworker/u16:3+efi_rts_wq11:40:110
2687993090,308cyclictest3031-21kworker/u16:2+efi_rts_wq11:52:241
2688993080,307cyclictest24102-21kworker/u16:1+efi_rts_wq09:35:122
2688993080,307cyclictest24102-21kworker/u16:1+efi_rts_wq09:15:142
2688993080,307cyclictest1769-21kworker/u16:2+efi_rts_wq07:46:352
2688993050,304cyclictest24102-21kworker/u16:1+efi_rts_wq08:30:122
2687993050,304cyclictest20197-21kworker/u16:2+efi_rts_wq11:17:181
2688993030,302cyclictest5815-21kworker/u16:1+efi_rts_wq07:21:302
2686993030,302cyclictest30948-21kworker/u16:0+efi_rts_wq08:20:130
2686993030,302cyclictest24102-21kworker/u16:1+efi_rts_wq09:57:010
2686993030,302cyclictest24102-21kworker/u16:1+efi_rts_wq08:46:480
2686993030,302cyclictest1458-21kworker/u16:2+efi_rts_wq10:40:120
2687993020,301cyclictest30948-21kworker/u16:0+efi_rts_wq10:00:111
2688993010,300cyclictest24102-21kworker/u16:1+efi_rts_wq08:55:112
2687993000,299cyclictest22957-21kworker/u16:3+efi_rts_wq12:35:121
2687993000,298cyclictest22957-21kworker/u16:3+efi_rts_wq11:40:121
2687992990,298cyclictest30948-21kworker/u16:0+efi_rts_wq09:36:591
2686992990,298cyclictest3031-21kworker/u16:2+efi_rts_wq12:02:260
2686992990,298cyclictest1769-21kworker/u16:2+efi_rts_wq07:25:130
2686992990,296cyclictest19484-21kworker/u16:3+efi_rts_wq07:55:120
2689992970,296cyclictest24102-21kworker/u16:1+efi_rts_wq09:30:133
2687992970,296cyclictest5815-21kworker/u16:1+efi_rts_wq07:30:131
2687992960,295cyclictest24102-21kworker/u16:1+efi_rts_wq08:21:431
2687992960,295cyclictest22957-21kworker/u16:3+efi_rts_wq12:22:311
2689992950,294cyclictest22957-21kworker/u16:3+efi_rts_wq12:27:323
2687992950,294cyclictest24102-21kworker/u16:1+efi_rts_wq09:05:131
2689992940,292cyclictest22957-21kworker/u16:3+efi_rts_wq11:15:133
2688992940,293cyclictest30948-21kworker/u16:0+efi_rts_wq10:20:112
2688992940,293cyclictest27186-21kworker/u16:3+efi_rts_wq10:30:122
2687992940,293cyclictest22957-21kworker/u16:3+efi_rts_wq12:10:111
2686992940,293cyclictest22957-21kworker/u16:3+efi_rts_wq12:35:120
2686992930,292cyclictest24102-21kworker/u16:1+efi_rts_wq08:25:130
2686992920,291cyclictest9766-21kworker/u16:1+efi_rts_wq11:10:120
2689992890,288cyclictest3031-21kworker/u16:2+efi_rts_wq12:00:123
2688992890,288cyclictest22957-21kworker/u16:3+efi_rts_wq11:32:202
2687992890,288cyclictest1769-21kworker/u16:2+efi_rts_wq07:40:121
2687992880,287cyclictest24102-21kworker/u16:1+efi_rts_wq08:26:451
2689992870,285cyclictest1769-21kworker/u16:2+efi_rts_wq07:35:113
2686992870,286cyclictest464-21kworker/u16:0+efi_rts_wq11:55:130
2688992860,285cyclictest19484-21kworker/u16:3+efi_rts_wq07:51:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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