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2026-02-03 - 18:02
[ 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 100 highest latencies:
System rackcslot3s.osadl.org (updated Tue Feb 03, 2026 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176402323308,5sleep20-21swapper/207:07:102
177332322315,5sleep30-21swapper/307:08:233
175302320305,5sleep10-21swapper/107:05:451
176902316302,5sleep00-21swapper/007:07:480
18125993150,314cyclictest2757-21kworker/u16:1+efi_rts_wq07:25:110
18126993130,312cyclictest28690-21kworker/u16:3+efi_rts_wq10:30:121
18125993130,312cyclictest2757-21kworker/u16:1+efi_rts_wq08:20:140
18125993130,312cyclictest12629-21kworker/u16:1+efi_rts_wq12:05:120
18127993120,311cyclictest12629-21kworker/u16:1+efi_rts_wq11:55:142
18126993110,310cyclictest2757-21kworker/u16:1+efi_rts_wq11:30:131
18127993100,309cyclictest24142-21kworker/u16:2+efi_rts_wq11:35:132
18128993090,308cyclictest28690-21kworker/u16:3+efi_rts_wq08:25:103
18127993090,308cyclictest28690-21kworker/u16:3+efi_rts_wq10:35:122
18126993070,306cyclictest28690-21kworker/u16:3+efi_rts_wq10:00:121
18126993070,306cyclictest28690-21kworker/u16:3+efi_rts_wq08:25:111
18125993070,306cyclictest1811-21kworker/u16:3+efi_rts_wq12:10:130
18128993060,305cyclictest28690-21kworker/u16:3+efi_rts_wq08:00:133
18125993060,305cyclictest28690-21kworker/u16:3+efi_rts_wq08:40:120
18126993050,304cyclictest2757-21kworker/u16:1+efi_rts_wq11:27:461
18128993040,303cyclictest2757-21kworker/u16:1+efi_rts_wq08:30:123
18127993040,303cyclictest28690-21kworker/u16:3+efi_rts_wq07:30:132
18126993040,303cyclictest25507-21kworker/u16:2+efi_rts_wq12:35:121
18126993030,302cyclictest2757-21kworker/u16:1+efi_rts_wq09:10:121
18128993020,301cyclictest28690-21kworker/u16:3+efi_rts_wq07:20:143
18126993010,300cyclictest1811-21kworker/u16:3+efi_rts_wq11:42:491
18125993000,299cyclictest2757-21kworker/u16:1+efi_rts_wq09:57:280
18128992990,298cyclictest2757-21kworker/u16:1+efi_rts_wq11:20:123
18127992990,298cyclictest12629-21kworker/u16:1+efi_rts_wq12:20:132
18128992980,297cyclictest28690-21kworker/u16:3+efi_rts_wq07:50:133
18126992980,297cyclictest28690-21kworker/u16:3+efi_rts_wq09:35:121
18125992980,297cyclictest28690-21kworker/u16:3+efi_rts_wq10:37:360
18128992960,295cyclictest28690-21kworker/u16:3+efi_rts_wq09:52:273
18128992960,295cyclictest2757-21kworker/u16:1+efi_rts_wq10:52:393
18128992960,295cyclictest2757-21kworker/u16:1+efi_rts_wq08:35:123
18127992960,295cyclictest2757-21kworker/u16:1+efi_rts_wq07:45:132
18126992960,295cyclictest28690-21kworker/u16:3+efi_rts_wq09:22:201
18126992950,293cyclictest2757-21kworker/u16:1+efi_rts_wq11:00:121
18125992950,294cyclictest28690-21kworker/u16:3+efi_rts_wq09:50:140
18125992950,292cyclictest2757-21kworker/u16:1+efi_rts_wq09:15:150
18128992940,293cyclictest28690-21kworker/u16:3+efi_rts_wq10:40:133
18127992940,293cyclictest2757-21kworker/u16:1+efi_rts_wq09:12:192
18128992920,291cyclictest28690-21kworker/u16:3+efi_rts_wq10:25:123
18126992910,290cyclictest28690-21kworker/u16:3+efi_rts_wq09:30:131
18126992910,290cyclictest28690-21kworker/u16:3+efi_rts_wq09:30:131
18125992910,290cyclictest2757-21kworker/u16:1+efi_rts_wq07:45:130
18128992900,289cyclictest28690-21kworker/u16:3+efi_rts_wq09:00:123
18128992900,288cyclictest2757-21kworker/u16:1+efi_rts_wq08:55:133
18127992880,287cyclictest2757-21kworker/u16:1+efi_rts_wq11:02:412
18126992880,286cyclictest28690-21kworker/u16:3+efi_rts_wq08:15:091
18125992880,287cyclictest2757-21kworker/u16:1+efi_rts_wq09:25:130
18127992860,285cyclictest1811-21kworker/u16:3+efi_rts_wq11:45:142
18128992830,282cyclictest1811-21kworker/u16:3+efi_rts_wq11:40:123
18127992820,281cyclictest2757-21kworker/u16:1+efi_rts_wq07:35:122
18125992820,281cyclictest28690-21kworker/u16:3+efi_rts_wq09:05:110
18126992810,280cyclictest2757-21kworker/u16:1+efi_rts_wq11:10:121
18125992800,279cyclictest28690-21kworker/u16:3+efi_rts_wq10:30:130
18125992780,277cyclictest2757-21kworker/u16:1+efi_rts_wq10:55:140
18126992770,276cyclictest28690-21kworker/u16:3+efi_rts_wq08:50:131
18127992750,274cyclictest28690-21kworker/u16:3+efi_rts_wq10:15:142
18127992750,274cyclictest1811-21kworker/u16:3+efi_rts_wq12:00:122
18125992730,270cyclictest2757-21kworker/u16:1+efi_rts_wq10:10:110
18127992720,271cyclictest28690-21kworker/u16:3+efi_rts_wq09:30:132
18127992720,271cyclictest28690-21kworker/u16:3+efi_rts_wq09:30:122
18125992700,269cyclictest2757-21kworker/u16:1+efi_rts_wq09:10:130
18128992690,268cyclictest1811-21kworker/u16:3+efi_rts_wq12:25:113
18127992690,268cyclictest2757-21kworker/u16:1+efi_rts_wq11:30:132
18125992680,267cyclictest25507-21kworker/u16:2+efi_rts_wq12:30:120
18128992670,266cyclictest28690-21kworker/u16:3+efi_rts_wq10:17:323
18127992670,266cyclictest2757-21kworker/u16:1+efi_rts_wq10:45:132
18126992650,264cyclictest2757-21kworker/u16:1+efi_rts_wq10:45:131
18127992640,263cyclictest28690-21kworker/u16:3+efi_rts_wq08:50:132
18126992640,263cyclictest28690-21kworker/u16:3+efi_rts_wq08:00:121
18126992630,262cyclictest2757-21kworker/u16:1+efi_rts_wq09:55:121
18126992630,262cyclictest2757-21kworker/u16:1+efi_rts_wq08:45:131
18126992620,261cyclictest28690-21kworker/u16:3+efi_rts_wq09:40:101
18125992620,261cyclictest24142-21kworker/u16:2+efi_rts_wq11:35:120
18125992620,260cyclictest28690-21kworker/u16:3+efi_rts_wq07:40:130
18126992600,259cyclictest11109-21kworker/u16:0+efi_rts_wq11:05:111
18126992590,258cyclictest2757-21kworker/u16:1+efi_rts_wq08:05:121
18128992580,257cyclictest28690-21kworker/u16:3+efi_rts_wq09:40:113
18126992580,257cyclictest2757-21kworker/u16:1+efi_rts_wq10:20:141
18126992580,257cyclictest1811-21kworker/u16:3+efi_rts_wq12:12:541
18126992580,256cyclictest11109-21kworker/u16:0+efi_rts_wq11:15:121
18125992580,257cyclictest2757-21kworker/u16:1+efi_rts_wq09:45:120
18128992530,252cyclictest12629-21kworker/u16:1+efi_rts_wq11:55:143
18127992520,251cyclictest2757-21kworker/u16:1+efi_rts_wq09:45:122
18128992510,250cyclictest2757-21kworker/u16:1+efi_rts_wq09:17:203
18125992510,250cyclictest2757-21kworker/u16:1+efi_rts_wq10:47:380
18128992490,248cyclictest12629-21kworker/u16:1+efi_rts_wq12:32:573
18125992490,248cyclictest2757-21kworker/u16:1+efi_rts_wq08:32:110
18125992490,248cyclictest2757-21kworker/u16:1+efi_rts_wq07:15:120
18125992450,244cyclictest28690-21kworker/u16:3+efi_rts_wq07:21:580
18125992410,240cyclictest28690-21kworker/u16:3+efi_rts_wq08:27:100
18125992390,238cyclictest2757-21kworker/u16:1+efi_rts_wq11:20:130
18126992380,237cyclictest25507-21kworker/u16:2+efi_rts_wq12:30:121
18127992370,236cyclictest28690-21kworker/u16:3+efi_rts_wq07:40:132
18128992360,235cyclictest28690-21kworker/u16:3+efi_rts_wq10:05:153
18128992350,234cyclictest2757-21kworker/u16:1+efi_rts_wq10:10:123
18127992350,234cyclictest8068-21kworker/u16:0+efi_rts_wq11:50:142
18125992350,234cyclictest2757-21kworker/u16:1+efi_rts_wq07:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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