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2026-02-15 - 18:16
[ 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 Sun Feb 15, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57982329321,5sleep30-21swapper/307:09:013
57452318311,5sleep20-21swapper/207:08:202
57362318304,5sleep00-21swapper/007:08:140
55462318310,5sleep10-21swapper/107:05:471
6141993160,313cyclictest9967-21kworker/u16:3+efi_rts_wq11:50:113
6141993150,314cyclictest12247-21kworker/u16:3+efi_rts_wq09:10:133
6141993140,313cyclictest4812-21kworker/u16:1+efi_rts_wq09:30:113
6141993130,312cyclictest950-21kworker/u16:2+efi_rts_wq07:30:133
6139993130,312cyclictest4812-21kworker/u16:1+efi_rts_wq09:55:131
6139993120,311cyclictest22556-21kworker/u16:0+efi_rts_wq07:45:131
6141993110,308cyclictest9645-21kworker/u16:1+efi_rts_wq12:20:133
6139993100,309cyclictest26909-21kworker/u16:0+efi_rts_wq11:25:131
6141993091,306cyclictest23272-21kworker/u16:0+efi_rts_wq10:52:463
6139993090,306cyclictest12247-21kworker/u16:3+efi_rts_wq09:25:151
6141993070,306cyclictest12247-21kworker/u16:3+efi_rts_wq08:15:123
6139993060,305cyclictest12247-21kworker/u16:3+efi_rts_wq07:55:131
6139993050,304cyclictest4812-21kworker/u16:1+efi_rts_wq08:20:131
6141993030,302cyclictest12247-21kworker/u16:3+efi_rts_wq07:15:143
6141993020,301cyclictest9645-21kworker/u16:1+efi_rts_wq11:58:003
6141993020,301cyclictest12247-21kworker/u16:3+efi_rts_wq08:07:173
6140993020,301cyclictest12247-21kworker/u16:3+efi_rts_wq09:00:122
6141993010,300cyclictest9967-21kworker/u16:3+efi_rts_wq11:15:133
6139993010,300cyclictest26909-21kworker/u16:0+efi_rts_wq11:37:561
6139993000,298cyclictest4812-21kworker/u16:1+efi_rts_wq08:30:141
6141992990,298cyclictest9967-21kworker/u16:3+efi_rts_wq12:03:013
6139992970,296cyclictest12247-21kworker/u16:3+efi_rts_wq10:00:121
6141992960,295cyclictest9967-21kworker/u16:3+efi_rts_wq11:12:513
6140992960,295cyclictest12247-21kworker/u16:3+efi_rts_wq07:10:142
6139992950,294cyclictest12247-21kworker/u16:3+efi_rts_wq09:10:131
6138992950,294cyclictest9967-21kworker/u16:3+efi_rts_wq11:20:120
6141992930,292cyclictest4812-21kworker/u16:1+efi_rts_wq09:35:143
6141992930,292cyclictest12247-21kworker/u16:3+efi_rts_wq07:35:133
6140992910,289cyclictest9967-21kworker/u16:3+efi_rts_wq11:10:122
6141992880,287cyclictest2824-21kworker/u16:2+efi_rts_wq10:30:163
6141992870,286cyclictest950-21kworker/u16:2+efi_rts_wq07:20:123
6141992870,286cyclictest12247-21kworker/u16:3+efi_rts_wq07:50:143
6141992860,285cyclictest9645-21kworker/u16:1+efi_rts_wq12:15:123
6141992860,284cyclictest21099-21kworker/u16:2+efi_rts_wq11:05:143
6141992830,282cyclictest12247-21kworker/u16:3+efi_rts_wq10:02:383
6140992820,281cyclictest4812-21kworker/u16:1+efi_rts_wq08:35:122
6140992810,280cyclictest23272-21kworker/u16:0+efi_rts_wq10:35:142
6139992810,280cyclictest12247-21kworker/u16:3+efi_rts_wq09:50:121
6141992790,277cyclictest9967-21kworker/u16:3+efi_rts_wq10:55:143
6139992790,278cyclictest12247-21kworker/u16:3+efi_rts_wq10:17:411
6141992780,277cyclictest12247-21kworker/u16:3+efi_rts_wq10:15:133
6141992780,277cyclictest12247-21kworker/u16:3+efi_rts_wq09:22:313
6140992780,277cyclictest21099-21kworker/u16:2+efi_rts_wq11:07:502
6139992780,277cyclictest12247-21kworker/u16:3+efi_rts_wq09:20:121
6141992760,275cyclictest22556-21kworker/u16:0+efi_rts_wq08:00:113
6141992760,275cyclictest22556-21kworker/u16:0+efi_rts_wq08:00:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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