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2026-01-21 - 10:23
[ 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 Wed Jan 21, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
296902318303,5sleep20-21swapper/219:08:292
30074993170,314cyclictest29366-21kworker/u16:1+efi_rts_wq23:15:121
30073993160,315cyclictest27581-21kworker/u16:3+efi_rts_wq23:59:510
296412316305,9sleep00-21swapper/019:07:490
295332316309,5sleep10-21swapper/119:06:271
279652315308,4sleep30-21swapper/319:05:053
30076993140,313cyclictest27581-21kworker/u16:3+efi_rts_wq00:00:133
30075993130,309cyclictest2878-21kworker/u16:3+efi_rts_wq21:45:112
30075993100,309cyclictest1065-21kworker/u16:2+efi_rts_wq21:35:112
30076993090,308cyclictest2878-21kworker/u16:3+efi_rts_wq22:40:133
30076993080,307cyclictest1065-21kworker/u16:2+efi_rts_wq20:05:123
30073993080,307cyclictest2878-21kworker/u16:3+efi_rts_wq20:45:120
30074993040,303cyclictest13764-21kworker/u16:2+efi_rts_wq23:50:121
30073993040,303cyclictest2878-21kworker/u16:3+efi_rts_wq19:40:130
30076993020,301cyclictest2878-21kworker/u16:3+efi_rts_wq21:40:143
30073993020,299cyclictest2878-21kworker/u16:3+efi_rts_wq22:00:130
30074993010,300cyclictest23519-21kworker/u16:1+efi_rts_wq00:20:121
30074993010,299cyclictest29366-21kworker/u16:1+efi_rts_wq22:54:391
30074993000,299cyclictest1065-21kworker/u16:2+efi_rts_wq19:35:131
30073993000,299cyclictest2878-21kworker/u16:3+efi_rts_wq20:10:130
30073993000,299cyclictest1065-21kworker/u16:2+efi_rts_wq19:50:130
30075992990,298cyclictest2878-21kworker/u16:3+efi_rts_wq22:04:302
30074992990,298cyclictest2878-21kworker/u16:3+efi_rts_wq20:20:121
30076992960,295cyclictest2878-21kworker/u16:3+efi_rts_wq23:05:123
30076992960,295cyclictest2878-21kworker/u16:3+efi_rts_wq19:15:133
30076992960,295cyclictest13764-21kworker/u16:2+efi_rts_wq23:40:123
30075992960,295cyclictest9497-21kworker/u16:0+efi_rts_wq23:24:452
30075992960,295cyclictest29366-21kworker/u16:1+efi_rts_wq23:14:432
30074992960,294cyclictest1065-21kworker/u16:2+efi_rts_wq21:35:111
30074992950,294cyclictest1065-21kworker/u16:2+efi_rts_wq19:30:111
30073992950,294cyclictest29366-21kworker/u16:1+efi_rts_wq23:30:110
30076992940,293cyclictest2878-21kworker/u16:3+efi_rts_wq19:13:583
30075992940,293cyclictest2878-21kworker/u16:3+efi_rts_wq19:55:132
30073992930,292cyclictest2878-21kworker/u16:3+efi_rts_wq22:25:130
30074992920,291cyclictest23519-21kworker/u16:1+efi_rts_wq00:35:121
30076992910,290cyclictest2878-21kworker/u16:3+efi_rts_wq21:15:143
30076992910,290cyclictest2878-21kworker/u16:3+efi_rts_wq20:40:133
30076992910,290cyclictest13764-21kworker/u16:2+efi_rts_wq23:50:123
30074992910,290cyclictest2878-21kworker/u16:3+efi_rts_wq19:18:591
30073992910,290cyclictest2878-21kworker/u16:3+efi_rts_wq22:30:120
30075992900,288cyclictest1065-21kworker/u16:2+efi_rts_wq22:05:112
30075992860,283cyclictest1065-21kworker/u16:2+efi_rts_wq20:25:132
30073992860,285cyclictest1065-21kworker/u16:2+efi_rts_wq19:45:120
30073992850,284cyclictest2878-21kworker/u16:3+efi_rts_wq22:50:120
30073992840,283cyclictest1065-21kworker/u16:2+efi_rts_wq22:15:110
30073992840,283cyclictest1065-21kworker/u16:2+efi_rts_wq22:15:100
30076992830,282cyclictest2878-21kworker/u16:3+efi_rts_wq20:39:123
30073992830,282cyclictest29366-21kworker/u16:1+efi_rts_wq23:20:110
30076992820,281cyclictest27581-21kworker/u16:3+efi_rts_wq00:25:143
30075992820,281cyclictest29366-21kworker/u16:1+efi_rts_wq23:04:412
30076992810,280cyclictest2878-21kworker/u16:3+efi_rts_wq19:44:023
30075992810,280cyclictest2878-21kworker/u16:3+efi_rts_wq22:40:132
30075992810,280cyclictest1065-21kworker/u16:2+efi_rts_wq21:00:132
30074992810,278cyclictest23519-21kworker/u16:1+efi_rts_wq00:10:131
30073992810,280cyclictest2878-21kworker/u16:3+efi_rts_wq21:30:130
30076992800,279cyclictest2878-21kworker/u16:3+efi_rts_wq19:29:013
30076992790,278cyclictest2878-21kworker/u16:3+efi_rts_wq21:05:143
30074992790,278cyclictest2878-21kworker/u16:3+efi_rts_wq21:20:121
30073992790,278cyclictest2878-21kworker/u16:3+efi_rts_wq22:14:320
30073992770,276cyclictest27581-21kworker/u16:3+efi_rts_wq00:25:130
30073992760,275cyclictest2878-21kworker/u16:3+efi_rts_wq20:35:120
30076992740,273cyclictest1065-21kworker/u16:2+efi_rts_wq20:50:113
30076992730,272cyclictest1065-21kworker/u16:2+efi_rts_wq22:19:323
30076992730,272cyclictest1065-21kworker/u16:2+efi_rts_wq22:19:323
30074992720,271cyclictest1065-21kworker/u16:2+efi_rts_wq22:35:111
30075992710,270cyclictest2878-21kworker/u16:3+efi_rts_wq22:25:132
30076992700,269cyclictest2878-21kworker/u16:3+efi_rts_wq19:49:043
30076992690,268cyclictest29366-21kworker/u16:1+efi_rts_wq23:25:113
30074992680,267cyclictest1065-21kworker/u16:2+efi_rts_wq21:59:271
30073992680,267cyclictest27581-21kworker/u16:3+efi_rts_wq00:34:580
30076992670,266cyclictest2878-21kworker/u16:3+efi_rts_wq23:00:123
30074992670,266cyclictest2878-21kworker/u16:3+efi_rts_wq20:35:121
30073992660,265cyclictest2878-21kworker/u16:3+efi_rts_wq21:20:130
30073992660,265cyclictest1065-21kworker/u16:2+efi_rts_wq21:50:150
30074992650,264cyclictest2878-21kworker/u16:3+efi_rts_wq20:10:121
30075992640,263cyclictest2878-21kworker/u16:3+efi_rts_wq20:20:122
30076992630,262cyclictest29366-21kworker/u16:1+efi_rts_wq23:10:123
30074992630,262cyclictest1065-21kworker/u16:2+efi_rts_wq19:25:121
30073992630,262cyclictest1065-21kworker/u16:2+efi_rts_wq21:55:120
30075992620,261cyclictest13764-21kworker/u16:2+efi_rts_wq23:35:122
30075992620,261cyclictest13764-21kworker/u16:2+efi_rts_wq23:34:462
30076992600,259cyclictest27581-21kworker/u16:3+efi_rts_wq00:05:143
30076992580,257cyclictest27581-21kworker/u16:3+efi_rts_wq00:30:103
30074992570,256cyclictest16841-21kworker/u16:0+efi_rts_wq22:45:141
30073992570,256cyclictest2878-21kworker/u16:3+efi_rts_wq20:24:100
30074992540,253cyclictest1065-21kworker/u16:2+efi_rts_wq22:20:111
30073992540,252cyclictest1065-21kworker/u16:2+efi_rts_wq19:30:110
30073992530,252cyclictest2878-21kworker/u16:3+efi_rts_wq19:23:590
30073992520,251cyclictest1065-21kworker/u16:2+efi_rts_wq21:10:130
30074992510,250cyclictest2878-21kworker/u16:3+efi_rts_wq19:20:131
30075992480,247cyclictest2878-21kworker/u16:3+efi_rts_wq20:55:132
30074992470,246cyclictest1065-21kworker/u16:2+efi_rts_wq20:09:071
30073992470,246cyclictest1065-21kworker/u16:2+efi_rts_wq20:04:070
30075992460,245cyclictest2878-21kworker/u16:3+efi_rts_wq20:30:112
30073992440,243cyclictest16841-21kworker/u16:0+efi_rts_wq22:45:140
30074992430,242cyclictest2878-21kworker/u16:3+efi_rts_wq19:10:121
30074992430,242cyclictest13764-21kworker/u16:2+efi_rts_wq23:40:121
30076992420,241cyclictest2878-21kworker/u16:3+efi_rts_wq22:30:123
30073992420,241cyclictest2878-21kworker/u16:3+efi_rts_wq21:40:150
30076992380,237cyclictest18357-21kworker/u16:0+efi_rts_wq23:49:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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