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2026-01-19 - 12:23
[ 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 Mon Jan 19, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122372333304,5sleep10-21swapper/119:05:031
138792318304,4sleep00-21swapper/019:07:220
122442317311,4sleep30-21swapper/319:05:093
14465993150,314cyclictest13220-21kworker/u16:1+efi_rts_wq20:40:141
14463993150,314cyclictest13220-21kworker/u16:1+efi_rts_wq20:20:130
138462315308,4sleep20-21swapper/219:06:562
14465993140,313cyclictest7451-21kworker/u16:3+efi_rts_wq21:45:121
14468993120,310cyclictest7451-21kworker/u16:3+efi_rts_wq22:35:123
14468993100,309cyclictest7451-21kworker/u16:3+efi_rts_wq22:00:123
14468993100,309cyclictest13220-21kworker/u16:1+efi_rts_wq19:40:113
14463993100,309cyclictest17843-21kworker/u16:0+efi_rts_wq22:29:330
14463993090,308cyclictest7451-21kworker/u16:3+efi_rts_wq21:00:130
14463993090,308cyclictest13220-21kworker/u16:1+efi_rts_wq20:40:140
14466993060,305cyclictest20964-21kworker/u16:0+efi_rts_wq00:10:122
14463993060,305cyclictest7451-21kworker/u16:3+efi_rts_wq22:00:130
14466993050,304cyclictest13307-21kworker/u16:2+efi_rts_wq23:05:162
14465993030,302cyclictest25324-21kworker/u16:2+efi_rts_wq20:10:131
14463993030,302cyclictest7451-21kworker/u16:3+efi_rts_wq21:10:130
14465993020,301cyclictest13307-21kworker/u16:2+efi_rts_wq23:00:151
14463993020,301cyclictest10826-21kworker/u16:1+efi_rts_wq23:15:130
14468993010,300cyclictest13220-21kworker/u16:1+efi_rts_wq20:34:123
14465993000,299cyclictest13220-21kworker/u16:1+efi_rts_wq20:24:101
14463993000,299cyclictest13220-21kworker/u16:1+efi_rts_wq19:35:130
14468992990,298cyclictest7769-21kworker/u16:0+efi_rts_wq19:10:143
14463992990,298cyclictest7451-21kworker/u16:3+efi_rts_wq22:35:130
14468992980,297cyclictest7451-21kworker/u16:3+efi_rts_wq21:45:123
14465992980,297cyclictest5734-21kworker/u16:0+efi_rts_wq22:50:131
14465992980,297cyclictest20964-21kworker/u16:0+efi_rts_wq00:15:121
14463992980,297cyclictest17843-21kworker/u16:0+efi_rts_wq21:59:280
14468992960,295cyclictest26206-21kworker/u16:2+efi_rts_wq00:20:143
14463992960,295cyclictest13220-21kworker/u16:1+efi_rts_wq20:30:180
14468992950,294cyclictest10826-21kworker/u16:1+efi_rts_wq23:09:403
14468992940,293cyclictest13220-21kworker/u16:1+efi_rts_wq19:50:113
14468992930,292cyclictest7451-21kworker/u16:3+efi_rts_wq20:35:123
14466992930,291cyclictest5734-21kworker/u16:0+efi_rts_wq22:50:132
14465992930,292cyclictest7451-21kworker/u16:3+efi_rts_wq22:30:131
14468992920,291cyclictest13220-21kworker/u16:1+efi_rts_wq20:20:123
14465992920,291cyclictest25324-21kworker/u16:2+efi_rts_wq20:09:061
14463992920,291cyclictest26206-21kworker/u16:2+efi_rts_wq23:35:130
14463992920,291cyclictest20964-21kworker/u16:0+efi_rts_wq23:50:130
14463992920,291cyclictest17843-21kworker/u16:0+efi_rts_wq22:19:310
14465992900,289cyclictest26206-21kworker/u16:2+efi_rts_wq00:00:121
14468992890,288cyclictest7451-21kworker/u16:3+efi_rts_wq20:25:133
14465992890,288cyclictest17843-21kworker/u16:0+efi_rts_wq21:40:131
14463992860,285cyclictest7451-21kworker/u16:3+efi_rts_wq20:25:130
14465992850,284cyclictest17843-21kworker/u16:0+efi_rts_wq22:25:111
14465992840,283cyclictest17843-21kworker/u16:0+efi_rts_wq20:55:121
14468992830,282cyclictest20964-21kworker/u16:0+efi_rts_wq00:25:133
14468992830,282cyclictest10826-21kworker/u16:1+efi_rts_wq23:04:393
14463992830,282cyclictest17843-21kworker/u16:0+efi_rts_wq22:05:100
14466992820,280cyclictest26206-21kworker/u16:2+efi_rts_wq23:25:142
14465992820,281cyclictest20964-21kworker/u16:0+efi_rts_wq00:36:111
14465992810,280cyclictest13307-21kworker/u16:2+efi_rts_wq23:05:161
14468992780,277cyclictest17843-21kworker/u16:0+efi_rts_wq22:15:123
14466992780,277cyclictest7769-21kworker/u16:0+efi_rts_wq19:15:142
14466992760,275cyclictest13307-21kworker/u16:2+efi_rts_wq23:10:142
14465992750,274cyclictest13220-21kworker/u16:1+efi_rts_wq19:34:001
14465992750,274cyclictest13220-21kworker/u16:1+efi_rts_wq19:34:001
14465992750,274cyclictest10826-21kworker/u16:1+efi_rts_wq22:55:121
14466992730,272cyclictest26206-21kworker/u16:2+efi_rts_wq00:21:092
14465992730,272cyclictest7451-21kworker/u16:3+efi_rts_wq21:20:121
14463992730,272cyclictest20964-21kworker/u16:0+efi_rts_wq23:14:420
14468992700,269cyclictest7769-21kworker/u16:0+efi_rts_wq19:28:593
14468992690,268cyclictest20964-21kworker/u16:0+efi_rts_wq00:16:083
14466992690,268cyclictest25324-21kworker/u16:2+efi_rts_wq19:45:122
14465992690,268cyclictest26206-21kworker/u16:2+efi_rts_wq00:05:141
14463992680,267cyclictest17843-21kworker/u16:0+efi_rts_wq21:25:120
14463992670,266cyclictest26206-21kworker/u16:2+efi_rts_wq00:05:140
14465992650,264cyclictest13220-21kworker/u16:1+efi_rts_wq19:15:011
14468992640,263cyclictest7451-21kworker/u16:3+efi_rts_wq21:30:143
14466992640,263cyclictest7451-21kworker/u16:3+efi_rts_wq20:50:182
14465992640,261cyclictest26206-21kworker/u16:2+efi_rts_wq00:30:121
14463992640,263cyclictest26206-21kworker/u16:2+efi_rts_wq23:30:130
14466992630,262cyclictest20964-21kworker/u16:0+efi_rts_wq00:15:122
14468992620,261cyclictest7451-21kworker/u16:3+efi_rts_wq21:35:123
14466992620,261cyclictest5734-21kworker/u16:0+efi_rts_wq22:39:352
14465992620,261cyclictest5734-21kworker/u16:0+efi_rts_wq22:45:121
14466992600,259cyclictest13220-21kworker/u16:1+efi_rts_wq19:40:112
14465992600,259cyclictest26206-21kworker/u16:2+efi_rts_wq23:29:441
14463992590,258cyclictest7451-21kworker/u16:3+efi_rts_wq20:35:120
14463992590,257cyclictest7451-21kworker/u16:3+efi_rts_wq21:50:130
14465992570,256cyclictest7451-21kworker/u16:3+efi_rts_wq22:20:131
14463992560,255cyclictest7769-21kworker/u16:0+efi_rts_wq19:30:120
14463992560,255cyclictest7769-21kworker/u16:0+efi_rts_wq19:30:120
14468992550,254cyclictest26206-21kworker/u16:2+efi_rts_wq00:30:123
14465992550,254cyclictest7769-21kworker/u16:0+efi_rts_wq19:25:131
14463992530,252cyclictest17843-21kworker/u16:0+efi_rts_wq20:45:130
14468992520,251cyclictest17843-21kworker/u16:0+efi_rts_wq21:55:133
14466992500,249cyclictest17843-21kworker/u16:0+efi_rts_wq20:55:122
14465992500,249cyclictest25324-21kworker/u16:2+efi_rts_wq19:54:041
14465992490,248cyclictest26206-21kworker/u16:2+efi_rts_wq23:55:141
14465992490,248cyclictest20964-21kworker/u16:0+efi_rts_wq23:20:121
14463992490,248cyclictest13220-21kworker/u16:1+efi_rts_wq20:00:130
14463992480,247cyclictest13307-21kworker/u16:2+efi_rts_wq23:00:150
14468992470,246cyclictest7451-21kworker/u16:3+efi_rts_wq22:30:133
14463992470,246cyclictest7451-21kworker/u16:3+efi_rts_wq21:24:230
14463992470,246cyclictest17843-21kworker/u16:0+efi_rts_wq21:44:270
14463992430,242cyclictest25324-21kworker/u16:2+efi_rts_wq20:15:120
14465992420,241cyclictest25324-21kworker/u16:2+efi_rts_wq19:45:111
14465992410,240cyclictest7451-21kworker/u16:3+efi_rts_wq21:14:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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