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2026-02-21 - 12:44
[ 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 Sat Feb 21, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318722332305,24sleep30-21swapper/319:08:253
317072325310,4sleep20-21swapper/219:06:162
32263993180,317cyclictest23250-21kworker/u16:2+efi_rts_wq22:10:131
32264993170,315cyclictest9382-21kworker/u16:0+efi_rts_wq20:00:112
316582317303,4sleep00-21swapper/019:05:370
317062316309,5sleep10-21swapper/119:06:151
32265993140,313cyclictest9479-21kworker/u16:1+efi_rts_wq21:05:123
32263993140,313cyclictest5747-21kworker/u16:0+efi_rts_wq23:56:111
32263993140,313cyclictest11958-21kworker/u16:0+efi_rts_wq22:09:421
32263993130,312cyclictest27041-21kworker/u16:0+efi_rts_wq19:14:091
32265993120,310cyclictest1185-21kworker/u16:3+efi_rts_wq23:00:123
32262993120,311cyclictest2958-21kworker/u16:1+efi_rts_wq21:45:120
32265993110,310cyclictest21572-21kworker/u16:1+efi_rts_wq22:45:123
32263993110,310cyclictest9479-21kworker/u16:1+efi_rts_wq20:59:291
32264993090,306cyclictest28014-21kworker/u16:4+efi_rts_wq22:15:112
32264993090,306cyclictest28014-21kworker/u16:4+efi_rts_wq22:15:102
32265993080,305cyclictest28014-21kworker/u16:4+efi_rts_wq23:20:113
32264993080,307cyclictest28014-21kworker/u16:4+efi_rts_wq22:39:472
32263993080,307cyclictest25746-21kworker/u16:0+efi_rts_wq21:20:131
32265993070,306cyclictest27962-21kworker/u16:1+efi_rts_wq20:10:113
32265993060,305cyclictest5747-21kworker/u16:0+efi_rts_wq00:30:133
32263993060,304cyclictest28014-21kworker/u16:4+efi_rts_wq21:35:121
32262993060,305cyclictest28014-21kworker/u16:4+efi_rts_wq21:10:130
32265993040,303cyclictest4682-21kworker/u16:3+efi_rts_wq19:44:143
32262993030,302cyclictest23250-21kworker/u16:2+efi_rts_wq21:54:400
32262993030,302cyclictest11958-21kworker/u16:0+efi_rts_wq22:30:120
32265993020,301cyclictest31650-21kworker/u16:2+efi_rts_wq19:35:133
32262993020,301cyclictest32626-21kworker/u16:0+efi_rts_wq20:29:230
32263993010,300cyclictest32626-21kworker/u16:0+efi_rts_wq20:30:131
32265992990,298cyclictest5747-21kworker/u16:0+efi_rts_wq00:21:163
32265992990,298cyclictest28014-21kworker/u16:4+efi_rts_wq22:55:143
32264992990,298cyclictest28014-21kworker/u16:4+efi_rts_wq22:24:432
32262992990,298cyclictest31650-21kworker/u16:2+efi_rts_wq20:14:200
32263992980,297cyclictest21572-21kworker/u16:1+efi_rts_wq23:50:111
32262992970,296cyclictest9382-21kworker/u16:0+efi_rts_wq20:00:110
32264992960,295cyclictest4682-21kworker/u16:3+efi_rts_wq19:50:122
32263992960,295cyclictest5748-21kworker/u16:2+efi_rts_wq00:00:121
32262992960,295cyclictest4682-21kworker/u16:3+efi_rts_wq19:25:110
32264992940,293cyclictest28014-21kworker/u16:4+efi_rts_wq23:19:542
32262992940,293cyclictest2958-21kworker/u16:1+efi_rts_wq21:39:360
32263992920,291cyclictest4682-21kworker/u16:3+efi_rts_wq19:50:121
32263992920,291cyclictest28014-21kworker/u16:4+efi_rts_wq20:35:111
32265992900,289cyclictest21572-21kworker/u16:1+efi_rts_wq23:25:123
32264992900,289cyclictest21572-21kworker/u16:1+efi_rts_wq23:25:122
32263992900,289cyclictest31650-21kworker/u16:2+efi_rts_wq19:55:121
32264992880,287cyclictest28014-21kworker/u16:4+efi_rts_wq21:15:122
32263992880,287cyclictest11958-21kworker/u16:0+efi_rts_wq22:04:421
32263992850,284cyclictest28014-21kworker/u16:4+efi_rts_wq21:44:381
32262992850,284cyclictest24772-21kworker/u16:2+efi_rts_wq00:31:180
32265992840,283cyclictest31650-21kworker/u16:2+efi_rts_wq20:50:113
32265992830,282cyclictest5747-21kworker/u16:0+efi_rts_wq00:15:123
32263992830,282cyclictest9382-21kworker/u16:0+efi_rts_wq20:05:121
32263992820,281cyclictest31650-21kworker/u16:2+efi_rts_wq19:45:111
32263992800,279cyclictest31650-21kworker/u16:2+efi_rts_wq20:49:271
32262992800,279cyclictest28014-21kworker/u16:4+efi_rts_wq22:20:110
32265992790,277cyclictest28014-21kworker/u16:4+efi_rts_wq23:05:133
32263992790,278cyclictest31650-21kworker/u16:2+efi_rts_wq20:25:131
32263992790,278cyclictest28014-21kworker/u16:4+efi_rts_wq21:04:311
32265992780,277cyclictest24772-21kworker/u16:2+efi_rts_wq00:35:143
32264992780,277cyclictest21572-21kworker/u16:1+efi_rts_wq23:40:122
32262992780,277cyclictest23250-21kworker/u16:2+efi_rts_wq22:00:130
32265992770,276cyclictest23250-21kworker/u16:2+efi_rts_wq21:34:353
32264992770,276cyclictest31650-21kworker/u16:2+efi_rts_wq20:45:122
32263992750,274cyclictest28014-21kworker/u16:4+efi_rts_wq21:50:131
32262992750,274cyclictest4682-21kworker/u16:3+efi_rts_wq19:40:120
32262992740,273cyclictest31650-21kworker/u16:2+efi_rts_wq20:55:120
32264992720,271cyclictest2958-21kworker/u16:1+efi_rts_wq21:40:122
32263992720,271cyclictest21572-21kworker/u16:1+efi_rts_wq00:25:111
32263992670,266cyclictest28014-21kworker/u16:4+efi_rts_wq21:49:381
32262992670,266cyclictest15764-21kworker/u16:3+efi_rts_wq00:10:120
32265992640,263cyclictest3982-21kworker/u16:0+efi_rts_wq22:50:123
32262992640,261cyclictest25746-21kworker/u16:0+efi_rts_wq21:25:110
32263992630,262cyclictest23527-21kworker/u16:2+efi_rts_wq23:24:541
32265992610,260cyclictest5747-21kworker/u16:0+efi_rts_wq00:10:123
32262992610,260cyclictest9479-21kworker/u16:1+efi_rts_wq20:40:130
32262992580,257cyclictest31650-21kworker/u16:2+efi_rts_wq20:15:110
32262992550,254cyclictest31650-21kworker/u16:2+efi_rts_wq19:24:110
32264992540,253cyclictest28014-21kworker/u16:4+efi_rts_wq22:25:132
32265992530,252cyclictest31650-21kworker/u16:2+efi_rts_wq20:35:123
32264992530,252cyclictest2958-21kworker/u16:1+efi_rts_wq21:45:122
32264992530,252cyclictest27962-21kworker/u16:1+efi_rts_wq20:10:112
32262992530,252cyclictest9382-21kworker/u16:0+efi_rts_wq19:34:130
32262992520,251cyclictest21572-21kworker/u16:1+efi_rts_wq00:00:120
32265992510,250cyclictest28014-21kworker/u16:4+efi_rts_wq22:44:473
32264992490,248cyclictest31650-21kworker/u16:2+efi_rts_wq19:55:132
32264992480,247cyclictest28014-21kworker/u16:4+efi_rts_wq23:35:122
32263992470,246cyclictest5747-21kworker/u16:0+efi_rts_wq00:30:131
32264992450,244cyclictest5748-21kworker/u16:2+efi_rts_wq00:05:132
32264992440,243cyclictest31650-21kworker/u16:2+efi_rts_wq20:09:202
32264992440,243cyclictest23250-21kworker/u16:2+efi_rts_wq22:10:122
32265992410,240cyclictest31650-21kworker/u16:2+efi_rts_wq20:34:243
32263992380,237cyclictest28014-21kworker/u16:4+efi_rts_wq21:30:131
32262992380,237cyclictest31650-21kworker/u16:2+efi_rts_wq19:45:120
32265992370,236cyclictest23250-21kworker/u16:2+efi_rts_wq21:20:123
32264992370,236cyclictest31650-21kworker/u16:2+efi_rts_wq19:20:122
32262992370,236cyclictest27041-21kworker/u16:0+efi_rts_wq19:15:000
32264992360,235cyclictest28014-21kworker/u16:4+efi_rts_wq23:20:112
32262992360,235cyclictest5748-21kworker/u16:2+efi_rts_wq23:55:110
32263992350,234cyclictest4682-21kworker/u16:3+efi_rts_wq19:19:111
32262992340,233cyclictest28014-21kworker/u16:4+efi_rts_wq21:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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