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2026-01-21 - 12:30
[ 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 #e, slot #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackeslot4s.osadl.org (updated Wed Jan 21, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2810082995653,2cyclictest3013800-21kworker/u8:1+flush-259:022:26:220
2810082994239,2cyclictest2888588-21kworker/u8:1+events_unbound21:25:130
2810092994139,1cyclictest2893435-21fwupd20:26:213
2810092994134,5cyclictest2899738-21diskstats20:35:133
2810092994035,3cyclictest2857523-21/usr/sbin/munin19:55:143
2810082994037,2cyclictest3075995-21kworker/u8:1+events_unbound00:35:200
2810092993733,3cyclictest2868271-21apt-get20:05:103
2810092993630,4cyclictest2951489-21base6421:25:013
2810084993630,4cyclictest252-21systemd-journal23:25:001
2810084993630,4cyclictest252-21systemd-journal20:45:281
2810088993528,5cyclictest2972025-21latency_hist21:45:012
2810082993532,2cyclictest3096571-21kworker/u8:0+events_unbound23:50:150
2810092993427,5cyclictest509-21rs:main3
2810084993428,5cyclictest2888588-21kworker/u8:1+flush-259:021:04:591
2810088993328,3cyclictest3013800-21kworker/u8:1+flush-259:022:30:172
2810082993330,2cyclictest3003672-21kworker/u8:3+events_unbound23:20:010
2810082993330,2cyclictest2847193-21kworker/u8:0+events_unbound20:10:230
2810082993330,2cyclictest2815229-21kworker/u8:4+events_unbound19:30:140
2810092993225,5cyclictest3131727-21ntpq00:15:213
2810088993226,4cyclictest2977652-21latency_hist21:50:012
2810082993229,2cyclictest2847193-21kworker/u8:0+events_unbound20:30:130
2810082993229,2cyclictest2756617-21kworker/u8:0+events_unbound19:15:210
281008299320,30cyclictest1-21systemd22:19:300
2810084993126,3cyclictest2935506-21kworker/u8:3+flush-259:021:40:001
2810084993125,4cyclictest252-21systemd-journal22:35:281
2810082993128,2cyclictest3075995-21kworker/u8:1+events_unbound00:10:250
2810082993128,2cyclictest3075995-21kworker/u8:1+events_unbound00:10:250
2810082993128,2cyclictest2888588-21kworker/u8:1+events_unbound21:40:150
2810082993128,2cyclictest2868026-21kworker/u8:2+events_unbound20:05:200
2810082993028,2cyclictest2868026-21kworker/u8:2+events_unbound20:20:130
2810082993027,2cyclictest3013800-21kworker/u8:1+events_unbound22:30:150
2810082993026,3cyclictest2988167-21kworker/u8:0+flush-259:022:10:190
2810092992926,2cyclictest2868026-21kworker/u8:2+flush-259:020:15:003
2810092992925,3cyclictest2988167-21kworker/u8:0+flush-259:022:15:203
2810088992922,4cyclictest2941083-21diskstats21:15:142
2810082992926,2cyclictest2868026-21kworker/u8:2+events_unbound20:26:200
2810082992926,2cyclictest2847193-21kworker/u8:0+events_unbound20:15:200
2810082992925,3cyclictest2888588-21kworker/u8:1+flush-259:021:02:190
2810088992822,4cyclictest2862427-21turbostat20:00:002
2810088992822,4cyclictest2841369-21latency_hist19:40:012
2810084992824,3cyclictest3013800-21kworker/u8:1+flush-259:023:00:161
2810084992824,3cyclictest2799834-21kworker/u8:3+flush-259:019:25:201
2810082992825,2cyclictest2935506-21kworker/u8:3+flush-259:021:30:250
2810082992825,2cyclictest2888588-21kworker/u8:1+events_unbound20:40:230
2810082992824,3cyclictest2830778-21kworker/u8:1+flush-259:020:00:140
2810082992824,3cyclictest2799834-21kworker/u8:3+events_unbound19:45:160
2810088992723,3cyclictest3003673-21kworker/u8:4+flush-259:022:20:232
2810084992721,4cyclictest3096976-21diskstats23:45:141
2810082992723,3cyclictest3055017-21kworker/u8:2+flush-259:023:55:250
2810082992723,3cyclictest2888588-21kworker/u8:1+events_unbound20:35:020
2810082992723,3cyclictest2830778-21kworker/u8:1+events_unbound19:55:140
2810082992720,5cyclictest2825640-21cp19:25:000
2810092992620,4cyclictest2982784-21latency_hist21:55:013
2810088992621,3cyclictest3013800-21kworker/u8:1+flush-259:022:50:012
2810084992620,4cyclictest2836210-21latency_hist19:35:011
2810082992623,2cyclictest2888588-21kworker/u8:1+flush-259:021:20:260
2810082992622,3cyclictest3003672-21kworker/u8:3+events_unbound23:45:210
2810082992622,3cyclictest2945833-21kworker/u8:0+events_unbound21:45:220
2810092992522,2cyclictest2799834-21kworker/u8:3+flush-259:019:25:103
2810092992518,5cyclictest252-21systemd-journal23:40:003
2810084992522,2cyclictest3075995-21kworker/u8:1+events_unbound00:40:011
2810084992522,2cyclictest3055017-21kworker/u8:2+flush-259:023:35:101
2810084992521,3cyclictest3075995-21kworker/u8:1+flush-259:000:05:001
2810082992522,2cyclictest3122356-21kworker/u8:3+flush-259:000:30:210
2810082992522,2cyclictest3013800-21kworker/u8:1+events_unbound22:50:210
2810082992521,3cyclictest2888588-21kworker/u8:1+events_unbound20:45:180
2810082992518,5cyclictest2998268-21latency_hist22:10:000
2810092992418,3cyclictest2987943-21latency_hist22:00:013
2810084992421,2cyclictest2935506-21kworker/u8:3+events_unbound21:30:151
2810084992420,3cyclictest2925529-21kworker/u8:2+events_unbound21:05:191
2810084992420,3cyclictest2847193-21kworker/u8:0+events_unbound20:52:151
2810082992421,2cyclictest3096571-21kworker/u8:0+events_unbound00:00:260
2810082992420,3cyclictest3013800-21kworker/u8:1+events_unbound22:38:310
2810092992318,4cyclictest2982808-21kworker/u8:2+flush-259:022:15:013
281008899239,3cyclictest2882975-21unixbench_singl20:15:402
2810088992317,4cyclictest509-21rs:main2
2810084992320,2cyclictest2799834-21kworker/u8:3+flush-259:019:40:201
2810082992320,2cyclictest3003672-21kworker/u8:3+events_unbound22:45:220
2810082992320,2cyclictest2904507-21kworker/u8:3+events_unbound20:53:590
2810082992320,2cyclictest2830778-21kworker/u8:1+events_unbound19:35:150
2810082992319,3cyclictest3055017-21kworker/u8:2+events_unbound23:32:310
2810088992210,2cyclictest500-21systemd-logind00:30:002
2810084992219,2cyclictest3055017-21kworker/u8:2+events_unbound23:10:141
2810084992219,2cyclictest3003673-21kworker/u8:4+events_unbound22:30:011
2810084992219,2cyclictest2888588-21kworker/u8:1+flush-259:020:40:161
2810084992218,3cyclictest2988167-21kworker/u8:0+events_unbound22:17:291
2810084992217,3cyclictest2830778-21kworker/u8:1+flush-259:019:45:211
2810084992216,4cyclictest2825537-21latency_hist19:25:011
2810082992219,2cyclictest3003672-21kworker/u8:3+events_unbound23:12:430
2810082992219,2cyclictest2847193-21kworker/u8:0+events_unbound20:55:130
2810082992218,3cyclictest3075995-21kworker/u8:1+events_unbound00:09:300
2810082992217,3cyclictest3091652-21apt-get23:40:120
2810092992116,4cyclictest3132885-21apt-get00:20:123
2810092992116,3cyclictest3055017-21kworker/u8:2+flush-259:023:25:143
2810088992117,3cyclictest2815199-21idleruntime-cro19:14:592
2810088992116,4cyclictest3071076-21apt-get23:20:112
2810084992118,2cyclictest2810076-21cyclictest21:50:001
2810084992117,3cyclictest3075995-21kworker/u8:1+events_unbound00:15:151
2810084992117,3cyclictest3003672-21kworker/u8:3+flush-259:023:40:301
2810084992117,3cyclictest2935506-21kworker/u8:3+events_unbound21:50:241
2810084992117,3cyclictest2847193-21kworker/u8:0+events_unbound20:55:161
2810084992117,3cyclictest2847193-21kworker/u8:0+events_unbound19:50:161
2810084992116,4cyclictest3065485-21/usr/sbin/munin23:15:131
2810082992118,2cyclictest3075995-21kworker/u8:1+events_unbound00:22:500
2810082992118,2cyclictest3003672-21kworker/u8:3+flush-259:023:15:200
2810082992117,3cyclictest3076213-21apt-get23:25:100
2810082992117,3cyclictest2799834-21kworker/u8:3+events_unbound19:40:160
2810092992018,1cyclictest0-21swapper/320:45:013
281008899209,3cyclictest2950971-21apt-get21:25:022
2810088992017,2cyclictest0-21swapper/223:15:012
2810088992015,3cyclictest3086534-21apt-get23:35:102
2810084992016,3cyclictest2945833-21kworker/u8:0+events_unbound21:42:211
2810084992016,3cyclictest2888588-21kworker/u8:1+flush-259:021:10:241
2810084992016,3cyclictest2830778-21kworker/u8:1+events_unbound20:00:241
2810082992017,2cyclictest3003672-21kworker/u8:3+flush-259:022:55:190
2810082992017,2cyclictest2888588-21kworker/u8:1+events_unbound21:10:280
2810082992016,3cyclictest3122356-21kworker/u8:3+flush-259:000:28:350
2810082992016,3cyclictest3003672-21kworker/u8:3+flush-259:023:00:290
2810082992016,3cyclictest2925529-21kworker/u8:2+flush-259:021:15:290
2810082992016,2cyclictest2961960-21apt-get21:35:110
2810092991914,4cyclictest252-21systemd-journal21:47:203
2810088991915,2cyclictest2888588-21kworker/u8:1+flush-259:020:30:012
2810088991914,3cyclictest3054973-21latency_hist23:05:012
2810088991913,4cyclictest252-21systemd-journal22:06:292
2810084991916,2cyclictest3096571-21kworker/u8:0+flush-259:023:50:261
2810084991916,2cyclictest3003672-21kworker/u8:3+events_unbound23:30:111
2810084991916,2cyclictest2836477-21apt-get19:35:111
2810084991915,3cyclictest3003672-21kworker/u8:3+flush-259:023:05:211
2810084991915,3cyclictest2935506-21kworker/u8:3+flush-259:021:58:391
2810084991915,3cyclictest2888588-21kworker/u8:1+events_unbound22:08:311
2810082991916,2cyclictest2925529-21kworker/u8:2+events_unbound21:07:200
2810082991916,2cyclictest2888588-21kworker/u8:1+flush-259:021:50:450
2810082991916,2cyclictest2847193-21kworker/u8:0+events_unbound19:50:240
2810082991915,3cyclictest2756617-21kworker/u8:0+events_unbound19:26:290
2810092991815,2cyclictest0-21swapper/323:10:013
2810092991814,3cyclictest3075995-21kworker/u8:1+flush-259:000:35:123
2810092991812,4cyclictest3019194-21apt-get22:30:123
2810088991814,3cyclictest3075995-21kworker/u8:1+flush-259:000:10:172
2810088991814,3cyclictest3075995-21kworker/u8:1+flush-259:000:10:172
2810088991813,3cyclictest2847200-21/usr/sbin/munin19:45:152
2810088991812,4cyclictest2899006-21gpgv20:35:012
2810084991815,2cyclictest2888588-21kworker/u8:1+flush-259:021:25:201
2810084991815,2cyclictest2847193-21kworker/u8:0+events_unbound20:35:191
2810084991815,2cyclictest2799834-21kworker/u8:3+flush-259:019:15:441
2810084991814,3cyclictest3132850-21kworker/u8:4+events_unbound00:21:301
2810084991814,3cyclictest3055017-21kworker/u8:2+events_unbound23:57:301
2810082991811,5cyclictest2987056-21ntpq21:55:210
2810092991713,3cyclictest0-21swapper/319:19:593
2810092991712,3cyclictest2972055-21gpgv21:45:003
2810084991714,2cyclictest2830778-21kworker/u8:1+flush-259:019:55:241
2810084991714,1cyclictest0-21swapper/100:30:001
2810084991713,3cyclictest2935506-21kworker/u8:3+flush-259:021:20:151
2810084991713,3cyclictest2888588-21kworker/u8:1+flush-259:022:11:451
2810084991711,4cyclictest2899078-21cp20:35:001
2810082991714,2cyclictest3003673-21kworker/u8:4+events_unbound22:20:110
2810082991713,3cyclictest3013800-21kworker/u8:1+events_unbound22:42:310
281009299168,5cyclictest3122315-21latency_hist00:10:003
2810092991613,2cyclictest2888588-21kworker/u8:1+flush-259:020:45:263
2810092991612,3cyclictest3055017-21kworker/u8:2+flush-259:023:55:213
2810092991611,3cyclictest3096571-21kworker/u8:0+flush-259:023:50:183
2810092991611,3cyclictest3014199-21diskstats22:25:133
2810092991610,4cyclictest3071597-21cut23:20:153
2810092991610,4cyclictest3070576-21cp23:20:003
2810088991613,2cyclictest2847193-21kworker/u8:0+flush-259:020:50:312
2810088991612,2cyclictest3066530-21kthreadcore23:15:152
2810088991612,2cyclictest0-21swapper/219:35:012
2810088991610,4cyclictest2961935-21/usr/sbin/munin21:35:142
2810084991613,2cyclictest3003672-21kworker/u8:3+events_unbound22:45:281
2810084991612,3cyclictest3096571-21kworker/u8:0+flush-259:000:05:341
2810084991612,3cyclictest3055017-21kworker/u8:2+events_unbound23:26:301
2810084991612,3cyclictest3003672-21kworker/u8:3+events_unbound22:57:381
2810082991612,3cyclictest2888588-21kworker/u8:1+events_unbound22:01:330
2810082991612,3cyclictest2756617-21kworker/u8:0+events_unbound19:12:280
281009299159,4cyclictest252-21systemd-journal21:15:003
2810092991511,3cyclictest2904507-21kworker/u8:3+events_unbound21:00:003
2810088991511,3cyclictest490-21dbus-daemon19:25:012
2810084991512,2cyclictest3075995-21kworker/u8:1+events_unbound00:11:291
2810084991512,2cyclictest3075995-21kworker/u8:1+events_unbound00:11:291
2810084991512,2cyclictest0-21swapper/120:25:001
2810084991511,3cyclictest3013800-21kworker/u8:1+events_unbound22:51:001
2810084991511,3cyclictest2868026-21kworker/u8:2+events_unbound20:25:181
2810082991513,1cyclictest60350irq/132-enp0s29f1:rx-023:05:220
2810082991512,2cyclictest3122356-21kworker/u8:3+events_unbound00:17:240
281009299149,4cyclictest3028331-21ntpq22:35:193
281009299148,4cyclictest2925529-21kworker/u8:2+flush-259:021:15:003
281008899149,4cyclictest2799834-21kworker/u8:3+flush-259:019:40:252
281008899149,3cyclictest2982769-21cron21:55:002
281008899148,4cyclictest2888588-21kworker/u8:1+flush-259:020:45:242
281008899148,4cyclictest252-21systemd-journal23:55:292
2810088991411,2cyclictest61750irq/145-enp0s29f1:tx-622:04:292
2810088991411,2cyclictest3045398-21irqcore22:55:162
2810088991411,2cyclictest2854694-21kthreadcore19:50:172
2810088991411,2cyclictest252-21systemd-journal20:10:002
2810088991410,3cyclictest3013800-21kworker/u8:1+flush-259:022:38:022
2810084991411,2cyclictest3003672-21kworker/u8:3+flush-259:022:40:211
2810084991411,2cyclictest2925529-21kworker/u8:2+flush-259:021:15:201
2810084991411,2cyclictest2868026-21kworker/u8:2+events_unbound20:17:291
2810084991410,3cyclictest3122356-21kworker/u8:3+events_unbound00:30:241
281009299139,2cyclictest0-21swapper/323:00:163
281009299139,2cyclictest0-21swapper/319:50:013
281009299138,4cyclictest3075995-21kworker/u8:1+flush-259:000:10:243
281009299138,4cyclictest3075995-21kworker/u8:1+flush-259:000:10:243
2810092991310,2cyclictest3031813-21kthreadcore22:40:173
2810092991310,2cyclictest3003673-21kworker/u8:4+flush-259:022:20:363
281008899139,3cyclictest2888588-21kworker/u8:1+flush-259:021:09:002
281008899139,3cyclictest2888588-21kworker/u8:1+flush-259:020:36:022
281008899138,4cyclictest3003672-21kworker/u8:3+flush-259:023:30:152
281008899137,4cyclictest2888588-21kworker/u8:1+flush-259:020:40:112
281008899130,12cyclictest0-21swapper/219:19:592
281008499139,3cyclictest3013800-21kworker/u8:1+events_unbound22:30:131
281008499139,3cyclictest2888588-21kworker/u8:1+flush-259:022:00:061
2810084991310,2cyclictest2868026-21kworker/u8:2+events_unbound20:05:211
2810084991310,2cyclictest2756617-21kworker/u8:0+flush-259:019:10:291
281009299129,2cyclictest3112346-21cpuspeed_turbos00:00:143
281009299129,2cyclictest2863514-21irqcore20:00:163
281009299128,3cyclictest3075995-21kworker/u8:1+flush-259:000:30:003
281009299128,3cyclictest2988167-21kworker/u8:0+flush-259:022:05:003
281009299126,4cyclictest3101718-21latency_hist23:50:003
281009299126,4cyclictest2898892-21apt-get20:35:013
281009299126,4cyclictest252-21systemd-journal23:35:003
281008899128,3cyclictest3013800-21kworker/u8:1+flush-259:023:06:012
281008899128,3cyclictest2847193-21kworker/u8:0+flush-259:020:55:332
281008499128,3cyclictest2847193-21kworker/u8:0+flush-259:020:10:201
281009299119,1cyclictest0-21swapper/320:55:003
281009299115,4cyclictest2888570-21latency_hist20:25:003
281008899119,1cyclictest0-21swapper/223:25:122
281008899117,3cyclictest3013800-21kworker/u8:1+flush-259:022:25:322
281008899116,4cyclictest3096571-21kworker/u8:0+flush-259:000:02:562
281008899114,5cyclictest2810195-21cat19:10:012
281009299108,1cyclictest0-21swapper/321:00:143
281009299107,2cyclictest3143314-21cpuspeed_turbos00:30:113
281009299105,3cyclictest2820642-21/usr/sbin/munin19:20:243
281008899107,1cyclictest0-21swapper/223:45:122
281008899105,4cyclictest3146557-21kthreadcore00:30:172
281008899104,4cyclictest3096699-21wc23:45:002
281008899104,4cyclictest252-21systemd-journal21:15:002
28100929990,1cyclictest0-21swapper/319:10:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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