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2026-01-14 - 19:03
[ 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 #7

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 rackcslot7s.osadl.org (updated Wed Jan 14, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209096321390,10sleep00-21swapper/007:05:150
21277282980,5chrt0-21swapper/308:50:013
21277282980,5chrt0-21swapper/308:50:013
197399830,66rtkit-daemon0-21swapper/207:10:012
21764022800,7sleep34497-21PK-Backend11:09:463
197399800,9rtkit-daemon2753-21gmain10:16:540
197399720,9rtkit-daemon2753-21gmain08:22:330
197399720,4rtkit-daemon0-21swapper/008:19:120
197399710,4rtkit-daemon0-21swapper/010:34:120
197399710,4rtkit-daemon0-21swapper/008:34:410
197399700,4rtkit-daemon0-21swapper/010:04:210
197399690,3rtkit-daemon0-21swapper/007:49:290
197399680,4rtkit-daemon0-21swapper/009:57:420
197399650,3rtkit-daemon0-21swapper/010:38:190
209057226443,13sleep30-21swapper/307:05:113
209170626240,15sleep10-21swapper/107:06:021
197399610,9rtkit-daemon1972-21rtkit-daemon07:56:510
197399590,9rtkit-daemon1972-21rtkit-daemon08:23:361
209220199580,53cyclictest1972-21rtkit-daemon08:25:100
197399580,9rtkit-daemon1972-21rtkit-daemon09:49:121
197399580,8rtkit-daemon1972-21rtkit-daemon10:00:101
197399580,7rtkit-daemon1972-21rtkit-daemon08:01:100
197399570,8rtkit-daemon1972-21rtkit-daemon10:15:001
197399560,9rtkit-daemon1972-21rtkit-daemon08:15:000
20962782550,10chrt2096279-21latency_hist07:20:012
21139262540,7chrt0-21swapper/308:10:133
21646082530,7sleep3411rcuc/310:35:133
197399530,8rtkit-daemon1972-21rtkit-daemon08:05:570
197399530,8rtkit-daemon1972-21rtkit-daemon08:00:381
22047242520,5chrt0-21swapper/012:30:120
21367922480,8sleep00-21swapper/009:15:020
21247922480,6sleep10-21swapper/108:40:181
2092207994825,19cyclictest2193425-21python311:55:271
2092207994825,19cyclictest2193425-21python311:55:271
197399470,39rtkit-daemon1941-21systemd10:40:201
21680762460,7sleep14497-21PK-Backend10:45:131
21680762460,7sleep14497-21PK-Backend10:45:121
2092213994520,8cyclictest34-21ksoftirqd/208:20:022
197399440,35rtkit-daemon931-21irqbalance08:33:171
21579532430,7chrt4497-21PK-Backend10:16:212
197399430,36rtkit-daemon2221-21packagekitd08:07:091
2092215994225,12cyclictest2142038-21cron09:30:003
2092213994225,13cyclictest2147888-21munin-run09:50:012
2092213994219,19cyclictest2117677-21cat08:20:132
197399420,27rtkit-daemon0-21swapper/008:37:200
21042002410,6sleep1251rcuc/107:40:241
209221599411,12cyclictest141rcu_preempt08:20:013
2092215994110,27cyclictest2128426-21cat08:50:193
2092213994121,16cyclictest2204062-21users12:25:282
21929242400,7sleep00-21swapper/011:55:150
21929242400,7sleep00-21swapper/011:55:140
21750782400,6sleep2331rcuc/211:05:142
2092215994020,15cyclictest2158797-21grep10:20:013
2092215994019,17cyclictest2179327-21switchtime11:15:273
2092213994026,10cyclictest2136564-21basename09:15:002
2092213994025,11cyclictest2149591-21cron09:55:012
2092201994015,5cyclictest141rcu_preempt10:50:120
21280662390,6chrt0-21swapper/208:50:122
2092213993925,10cyclictest2144445-21systemd-run09:40:002
2092213993925,10cyclictest2144445-21systemd-run09:39:592
2092213993921,13cyclictest438-20systemd-journal11:03:332
2092213993920,14cyclictest2199890-21df_inode12:15:152
2092207993914,7cyclictest21650142grep10:35:221
2092201993923,11cyclictest438-20systemd-journal09:35:000
2092201993921,13cyclictest2202334-21users12:20:280
2092201993921,13cyclictest2182491-21memory11:25:200
209220199391,15cyclictest22069932expr12:35:130
197399390,27rtkit-daemon4497-21PK-Backend09:36:003
197399390,27rtkit-daemon4497-21PK-Backend09:35:593
21773002380,5sleep2331rcuc/211:10:222
21773002380,5sleep2331rcuc/211:10:212
21196402380,5chrt4497-21PK-Backend08:25:183
209221599382,7cyclictest438-20systemd-journal08:04:563
2092213993824,10cyclictest2169199-21apt-get10:50:012
2092213993824,10cyclictest2169199-21apt-get10:50:012
209221399382,31cyclictest2145162-21irqstats09:40:182
2092213993823,11cyclictest34-21ksoftirqd/211:35:172
209221399381,33cyclictest1137-21runrttasks10:05:192
2092207993828,6cyclictest26-21ksoftirqd/111:20:181
2092207993826,7cyclictest26-21ksoftirqd/108:55:021
2092207993822,12cyclictest923-21dbus-daemon10:00:011
2092207993821,5cyclictest26-21ksoftirqd/112:35:011
2092207993816,14cyclictest26-21ksoftirqd/111:17:111
2092201993823,11cyclictest2097552-21runrttasks07:21:510
2092201993822,12cyclictest2179309-21swap11:15:270
2092201993821,12cyclictest438-20systemd-journal07:43:460
197399380,30rtkit-daemon26-21ksoftirqd/108:11:041
2092215993723,10cyclictest42-21ksoftirqd/309:10:183
2092215993721,12cyclictest2118607-21seq08:21:253
2092215993721,11cyclictest438-20systemd-journal12:06:463
2092215993719,13cyclictest438-20systemd-journal12:25:453
2092215993713,20cyclictest4497-21PK-Backend11:26:283
2092207993720,5cyclictest26-21ksoftirqd/109:20:001
2092207993720,13cyclictest26-21ksoftirqd/108:20:021
2092207993717,16cyclictest2202746-21unin-run12:25:011
2092207993714,14cyclictest26-21ksoftirqd/112:05:111
2092201993726,7cyclictest2147495-21users09:45:300
2092201993722,12cyclictest2124793-21/usr/sbin/munin08:40:180
2092201993721,11cyclictest923-21dbus-daemon10:15:010
2092201993720,12cyclictest2126876-21ntpq08:45:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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