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2026-02-27 - 10:18
[ 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 #5, 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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  Intel
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, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack5slot4s.osadl.org (updated Fri Feb 27, 2026 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
391157221930,2sleep3481ktimers/323:56:023
388934421830,3sleep3584-21kworker/3:2+events23:36:003
39480432790,4chrt0-21swapper/100:35:571
37417722700,3chrt371rcuc/221:06:042
3622652996351,10cyclictest3763747-21latency_hist21:30:011
37315342620,5sleep30-21swapper/320:56:023
3622656995651,4cyclictest3838607-21kworker/u8:1+events_unbound23:20:002
3622649995647,6cyclictest3674025-21latency_hist20:00:010
3622656995548,5cyclictest3639624-21kworker/u8:0+events_unbound19:36:082
3622652995347,4cyclictest3768715-21kworker/u8:3+flush-8:021:55:581
3622652995146,4cyclictest3788921-21kworker/u8:2+flush-8:022:15:561
3622652995145,5cyclictest3654295-21kworker/u8:3+flush-8:020:01:101
3622652995145,4cyclictest3768715-21kworker/u8:3+flush-8:022:50:571
3622652995041,7cyclictest3699312-21apt-get20:25:541
36531812490,2chrt0-21swapper/019:36:020
3622652994943,4cyclictest3639624-21kworker/u8:0+events_unbound19:35:541
3622652994939,8cyclictest3818628-21/usr/sbin/munin22:26:031
3622652994939,8cyclictest3664446-21/usr/sbin/munin19:51:111
3622649994942,5cyclictest274-21systemd-journal19:20:010
3622652994843,3cyclictest2621229-21kworker/u8:3+flush-8:019:10:561
3622652994842,4cyclictest3788921-21kworker/u8:2+flush-8:022:00:581
3622649994843,3cyclictest3843313-21latency_hist22:50:010
3622652994733,10cyclictest274-21systemd-journal00:07:111
3622649994740,5cyclictest3699222-21kworker/u8:0+flush-8:020:41:070
3622649994737,8cyclictest3707989-21ntpq20:31:070
3622652994639,5cyclictest3590593-21kworker/u8:2+events_unbound19:45:581
3622652994637,6cyclictest274-21systemd-journal22:32:111
3622652994624,15cyclictest274-21systemd-journal20:51:101
3622656994540,4cyclictest3838607-21kworker/u8:1+events_unbound23:31:032
3622656994536,7cyclictest3768923-21awk21:35:002
3622652994540,4cyclictest3674281-21kworker/u8:1+flush-8:021:31:091
3622649994537,6cyclictest3659516-21/usr/sbin/munin19:46:060
3622652994437,5cyclictest3858198-21kworker/u8:2+flush-8:023:21:131
3622649994433,9cyclictest3837554-21ntpq22:41:070
3622656994333,8cyclictest274-21systemd-journal00:10:002
3622652994338,4cyclictest3893058-21kworker/u8:0+flush-8:023:56:141
3622652994333,8cyclictest3853534-21/usr/sbin/munin23:01:101
3622649994336,5cyclictest3868075-21latency_hist23:15:000
3622649994336,5cyclictest3868075-21latency_hist23:15:000
3622649994334,6cyclictest3858179-21latency_hist23:05:010
3622649994332,8cyclictest3658399-21ntpq19:41:060
3622656994236,4cyclictest3590593-21kworker/u8:2+flush-8:019:15:062
3622652994238,3cyclictest3674281-21kworker/u8:1+flush-8:021:01:091
3622652994233,6cyclictest3758834-21latency_hist21:25:011
3622652994232,8cyclictest3852348-21ntpq22:56:051
3622649994233,6cyclictest3892806-21latency_hist23:40:010
3622652994136,4cyclictest3742883-21kworker/u8:2+flush-8:021:36:101
3622652994136,3cyclictest3893058-21kworker/u8:0+events_unbound00:16:111
3622652994135,5cyclictest3674281-21kworker/u8:1+flush-8:020:15:581
3622652994135,5cyclictest3674281-21kworker/u8:1+flush-8:020:15:581
3622652994135,4cyclictest3742883-21kworker/u8:2+flush-8:021:41:111
3622652994134,5cyclictest3858198-21kworker/u8:2+events_unbound23:10:001
3622649994132,7cyclictest3823276-21apt-get22:30:000
3622649994131,8cyclictest3769205-21/usr/sbin/munin21:36:050
3622656994034,4cyclictest3699222-21kworker/u8:0+events_unbound20:25:132
3622652994036,3cyclictest3768715-21kworker/u8:3+flush-8:023:46:151
3622652994033,5cyclictest3858198-21kworker/u8:2+events_unbound00:11:001
3622652994032,5cyclictest3674281-21kworker/u8:1+events_unbound20:05:531
3622649994032,5cyclictest3942401-21latency_hist00:30:020
3622649994031,7cyclictest3799146-21diskstats22:05:570
36224522403,32sleep10-21swapper/119:09:351
3622656993934,4cyclictest3788921-21kworker/u8:2+events_unbound22:06:092
3622652993934,4cyclictest3699222-21kworker/u8:0+events_unbound20:41:101
3622649993931,5cyclictest3937495-21latency_hist00:25:010
3622652993832,5cyclictest3858198-21kworker/u8:2+events_unbound23:31:111
3622652993831,5cyclictest3768715-21kworker/u8:3+events_unbound21:51:121
3622652993827,8cyclictest274-21systemd-journal20:59:111
3622649993832,5cyclictest3768715-21kworker/u8:3+flush-8:021:33:240
3622649993831,5cyclictest3818344-21latency_hist22:25:010
38468232370,4sleep00-21swapper/022:51:030
3622656993731,5cyclictest3828371-21kworker/u8:0+events_unbound22:45:002
3622656993729,6cyclictest3728223-21kworker/u8:3+events_unbound21:11:082
3622652993732,3cyclictest3742883-21kworker/u8:2+events_unbound21:46:001
3622652993732,3cyclictest3742883-21kworker/u8:2+events_unbound21:46:001
3622652993731,5cyclictest2621229-21kworker/u8:3+flush-8:019:21:121
3622652993730,5cyclictest274-21systemd-journal23:41:111
3622649993730,5cyclictest3742883-21kworker/u8:2+flush-8:021:45:580
3622649993730,5cyclictest3742883-21kworker/u8:2+flush-8:021:45:580
3622652993632,3cyclictest3858198-21kworker/u8:2+flush-8:023:36:091
3622652993631,4cyclictest3768715-21kworker/u8:3+flush-8:023:11:091
3622652993631,4cyclictest3768715-21kworker/u8:3+flush-8:023:11:091
3622652993630,4cyclictest3858198-21kworker/u8:2+events_unbound23:16:111
3622652993626,7cyclictest3753960-21store21:20:011
3622652993623,10cyclictest274-21systemd-journal21:12:101
3622652993530,4cyclictest3858198-21kworker/u8:2+flush-8:000:01:091
3622649993527,6cyclictest3688895-21apt-get20:15:000
3622649993524,9cyclictest3709430-21diskstats20:35:570
3622652993428,4cyclictest3936634-21ntpq00:21:081
3622652993422,9cyclictest3713827-21latency_hist20:40:011
3622649993424,8cyclictest3872167-21ntpq23:16:060
3622656993323,7cyclictest3823276-21apt-get22:30:012
3622652993328,3cyclictest3828818-21aten2_r5power_e22:35:541
3622649993324,6cyclictest3947338-21apt-get00:35:000
362264999332,30cyclictest3833467-21kworker/0:0+events23:08:250
36223762334,9sleep20-21swapper/219:08:362
3622656993226,4cyclictest3683954-21turbostat.cron20:10:002
3622656993224,7cyclictest3788682-21cron21:55:002
3622656993224,6cyclictest3753645-21apt-get21:20:002
3622649993228,3cyclictest3768715-21kworker/u8:3+flush-8:023:48:410
3622649993226,4cyclictest3674281-21kworker/u8:1+events_unbound21:30:010
3622649993224,7cyclictest3858198-21kworker/u8:2+flush-8:023:50:590
3622649993223,7cyclictest3753960-21store21:20:010
362264999322,26cyclictest3927519-21kworker/0:2+events00:35:090
3622656993125,4cyclictest3590593-21kworker/u8:2+events_unbound19:30:072
3622652993126,3cyclictest3627591-21kworker/u8:1+flush-8:019:20:011
3622652993124,5cyclictest3739104-21apt-get21:05:531
3622652993122,7cyclictest3937778-21/usr/sbin/munin00:26:101
3622652993121,8cyclictest3643459-21ntpq19:26:041
3622656993025,3cyclictest3768715-21kworker/u8:3+flush-8:021:45:052
3622656993025,3cyclictest3768715-21kworker/u8:3+flush-8:021:45:052
3622656993025,3cyclictest3699222-21kworker/u8:0+events_unbound20:45:072
3622656993022,6cyclictest3590593-21kworker/u8:2+flush-8:020:00:052
3622652993025,3cyclictest3903723-21irqrtprio23:51:001
3622652993024,5cyclictest3838607-21kworker/u8:1+events_unbound23:26:061
3622652993024,4cyclictest3768715-21kworker/u8:3+events_unbound22:21:111
3622652993024,4cyclictest3674281-21kworker/u8:1+flush-8:020:21:101
3622649993025,3cyclictest3758829-21cron21:25:000
362264999302,26cyclictest3719055-21kworker/0:1+events20:50:550
3622649993021,6cyclictest3703079-21ntpq20:26:070
39373422290,7sleep3451irq_work/300:23:153
3622656992924,4cyclictest3590593-21kworker/u8:2+flush-8:019:56:082
3622656992923,4cyclictest3738383-21unixbench_multi21:01:112
3622652992923,5cyclictest3768715-21kworker/u8:3+flush-8:022:05:161
3622652992923,4cyclictest3699222-21kworker/u8:0+events_unbound20:30:531
3622652992922,5cyclictest3689065-21date20:15:001
3622649992921,6cyclictest3654295-21kworker/u8:3+flush-8:019:50:570
3622652992823,4cyclictest3768715-21kworker/u8:3+events_unbound22:11:081
3622652992822,4cyclictest3843306-21idleruntime-cro22:50:001
3622652992819,7cyclictest3673156-21ntpq19:56:031
3622649992823,4cyclictest3639624-21kworker/u8:0+flush-8:019:25:570
362264999282,25cyclictest3719055-21kworker/0:1+events21:11:530
3622649992819,7cyclictest3807638-21ntpq22:11:060
3622649992818,8cyclictest3648387-21ntpq19:31:050
362264999281,22cyclictest3719055-21kworker/0:1+events20:55:090
362264999280,23cyclictest3833467-21kworker/0:0+events23:30:170
3622656992723,3cyclictest3768715-21kworker/u8:3+events_unbound23:40:372
3622656992721,4cyclictest3590593-21kworker/u8:2+events_unbound19:45:122
3622652992721,4cyclictest3833759-21apt-get22:40:521
362264999272,21cyclictest3719055-21kworker/0:1+events21:05:050
3622649992718,7cyclictest3827542-21ntpq22:31:060
3622649992717,8cyclictest3926616-21ntpq00:11:060
3622656992621,3cyclictest3687935-21needreboot20:11:032
3622656992619,5cyclictest3877985-21munin-plugin-st23:25:002
3622656992617,7cyclictest274-21systemd-journal19:15:002
3622652992619,5cyclictest3947445-21store00:35:001
3622649992621,3cyclictest0-21swapper/000:00:010
362264999261,24cyclictest3833467-21kworker/0:0+events22:55:050
362264999260,21cyclictest3743763-21kworker/0:2+events22:15:330
362264999260,21cyclictest3622525-21kworker/0:3+events19:10:250
3622656992522,2cyclictest3932862-21aten2_r5power_e00:20:562
3622656992521,3cyclictest3941555-21ntpq00:26:062
3622656992521,3cyclictest3878330-21aten2_r5power_c23:25:532
3622656992521,2cyclictest3694615-21cpuspeed_turbos20:20:552
3622656992521,2cyclictest3654799-21cpuspeed_turbos19:40:542
3622656992520,4cyclictest3788921-21kworker/u8:2+events_unbound22:38:162
3622656992520,4cyclictest3590593-21kworker/u8:2+flush-8:019:25:212
3622656992520,3cyclictest3778421-21unixbench_multi21:41:122
3622656992520,3cyclictest3728547-21unixbench_singl20:51:152
3622656992516,6cyclictest3947586-21base6400:35:002
362264999255,19cyclictest3743763-21kworker/0:2+events21:44:280
362264999252,22cyclictest3622525-21kworker/0:3+events20:00:450
3622649992519,5cyclictest2621229-21kworker/u8:3+flush-8:019:21:100
3622649992518,5cyclictest3922169-21grep00:06:140
3622649992515,8cyclictest0-21swapper/022:00:540
362264999251,23cyclictest3887878-21kworker/0:1+events00:00:510
3622656992419,4cyclictest3792972-21mailstats21:56:102
3622656992419,3cyclictest3863562-21aten2_r5power_v23:10:542
3622656992419,3cyclictest3863562-21aten2_r5power_v23:10:542
362264999242,21cyclictest3833467-21kworker/0:0+events23:26:370
362264999242,21cyclictest3833467-21kworker/0:0+events23:22:130
362264999242,21cyclictest3743763-21kworker/0:2+events22:35:410
362264999242,21cyclictest3743763-21kworker/0:2+events21:59:530
362264999242,21cyclictest3719055-21kworker/0:1+events20:45:330
362264999242,21cyclictest3622525-21kworker/0:3+events20:23:370
3622649992416,6cyclictest274-21systemd-journal00:20:000
362264999240,23cyclictest3887878-21kworker/0:1+events23:42:490
37031262230,2sleep3584-21kworker/3:2-events20:26:083
3622656992319,3cyclictest3843657-21aten2_r5power_c22:50:542
3622656992319,2cyclictest3634992-21cpuspeed_turbos19:20:552
3622656992318,4cyclictest3917189-21unixbench_multi00:01:122
3622656992317,4cyclictest3758494-21unixbench_singl21:21:142
3622656992311,4cyclictest0-21swapper/222:45:522
3622652992317,4cyclictest3674281-21kworker/u8:1+flush-8:020:46:031
362264999232,20cyclictest3719055-21kworker/0:1+events21:03:450
3622649992319,3cyclictest3690031-21sort20:16:000
3622649992319,3cyclictest3690031-21sort20:16:000
362264999231,21cyclictest3622525-21kworker/0:3+events20:06:070
3622656992218,2cyclictest3809685-21kthreadcore22:16:002
3622656992218,2cyclictest3769261-21aten2_r5power_c21:35:542
3622656992217,4cyclictest3828085-21unixbench_singl22:31:142
3622656992217,4cyclictest3674281-21kworker/u8:1+events_unbound20:16:052
3622656992217,4cyclictest3674281-21kworker/u8:1+events_unbound20:16:052
3622652992218,3cyclictest3639624-21kworker/u8:0+flush-8:019:30:311
3622652992217,4cyclictest3639624-21kworker/u8:0+events_unbound19:40:231
362264999221,20cyclictest3743763-21kworker/0:2+events21:51:070
3622656992117,3cyclictest3912201-21unixbench_singl23:56:142
3622656992117,2cyclictest0-21swapper/221:30:002
3622656992116,4cyclictest3927714-21kworker/u8:1+flush-8:000:15:102
3622656992016,3cyclictest3713865-21apt-key20:40:012
3622656992015,4cyclictest3654295-21kworker/u8:3+events_unbound19:50:112
3622656992014,4cyclictest3858198-21kworker/u8:2+events_unbound23:05:042
362265699196,5cyclictest421rcuog/221:00:002
362265699194,2cyclictest3949263-21kthreadcore00:36:042
362265699192,12cyclictest3898092-21apt-get23:45:532
3622656991916,2cyclictest3888227-21aten2_r5power_e23:35:542
3622656991916,2cyclictest0-21swapper/223:01:072
3622656991914,4cyclictest3699222-21kworker/u8:0+events_unbound20:32:052
3622656991913,4cyclictest0-21swapper/200:10:552
362265699182,12cyclictest3714391-21apt-get20:40:542
36218682182,10sleep00-21swapper/019:06:090
36217642183,8sleep30-21swapper/319:06:083
38301812170,2chrt584-21kworker/3:2+events22:36:013
3622656991713,2cyclictest3850041-21kthreadcore22:56:002
3622656991712,3cyclictest0-21swapper/222:01:022
36851692166,6sleep30-21swapper/320:11:013
362265699166,8cyclictest3805532-21tr22:11:002
362265699160,3cyclictest38140872basename22:20:582
37579322142,8sleep30-21swapper/321:21:073
362265699147,5cyclictest3903265-21grep23:50:572
39275082132,6sleep30-21swapper/300:15:013
38226602132,7sleep30-21swapper/322:26:113
38123772130,5sleep3451irq_work/322:16:033
39428742122,6sleep30-21swapper/300:30:543
39171782122,6sleep30-21swapper/300:01:133
38931412122,6sleep30-21swapper/323:40:553
38631592122,6sleep30-21swapper/323:10:013
38631592122,6sleep30-21swapper/323:10:013
38383932122,5sleep30-21swapper/322:45:013
38237952122,6sleep30-21swapper/322:30:533
38133482122,5sleep30-21swapper/322:20:013
38024212123,6sleep30-21swapper/322:06:053
37939892122,6sleep30-21swapper/322:00:563
37845622122,6sleep30-21swapper/321:51:003
37754112122,6sleep30-21swapper/321:41:013
37696832122,6sleep30-21swapper/321:35:593
37482352122,6sleep30-21swapper/321:11:123
37181342123,6sleep30-21swapper/320:41:063
36839472122,5sleep30-21swapper/320:10:003
36493132122,6sleep30-21swapper/319:35:013
36338242122,6sleep30-21swapper/319:16:113
39520332112,5sleep30-21swapper/300:36:163
39380632113,5sleep30-21swapper/300:25:573
39228592112,5sleep30-21swapper/300:10:523
39187952112,5sleep30-21swapper/300:06:023
39040242112,5sleep30-21swapper/323:51:023
38983342112,6sleep30-21swapper/323:45:573
38872312112,5sleep30-21swapper/323:31:123
38827852112,5sleep30-21swapper/323:28:113
38773762112,5sleep30-21swapper/323:21:123
38687752112,5sleep30-21swapper/323:15:593
38620692112,5sleep30-21swapper/323:06:043
38539312112,5sleep30-21swapper/323:00:583
38488642112,5sleep30-21swapper/322:55:563
38435932112,6sleep30-21swapper/322:50:473
38342472112,5sleep30-21swapper/322:41:003
38078282112,5sleep30-21swapper/322:11:103
37888552112,5sleep30-21swapper/321:55:013
37828762112,6sleep30-21swapper/321:46:073
37828762112,6sleep30-21swapper/321:46:073
37680472112,5sleep30-21swapper/321:31:063
37627792112,5sleep30-21swapper/321:26:043
37528582112,5sleep30-21swapper/321:16:093
37393512112,6sleep30-21swapper/321:05:583
37344162112,5sleep30-21swapper/321:00:573
37243962112,5sleep30-21swapper/320:50:573
37192682112,5sleep30-21swapper/320:45:113
37093372112,5sleep30-21swapper/320:35:573
37046782112,6sleep30-21swapper/320:30:593
36943702112,5sleep30-21swapper/320:20:523
36939222113,5sleep30-21swapper/320:18:193
36939222113,5sleep30-21swapper/320:18:193
36740702112,5sleep30-21swapper/320:00:013
36713182112,5sleep30-21swapper/319:56:003
36681842112,5sleep30-21swapper/319:51:063
36635072112,5sleep30-21swapper/319:46:133
36545542112,5sleep30-21swapper/319:40:513
36481932112,5sleep30-21swapper/319:31:053
36396232112,5sleep30-21swapper/319:25:063
36347242112,6sleep30-21swapper/319:20:333
36255012112,5sleep30-21swapper/319:11:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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