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2026-02-19 - 07:08
[ 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 #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 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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackeslot3s.osadl.org (updated Thu Feb 19, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3538956998722,14cyclictest3617013-21ssh23:47:300
3538956998722,14cyclictest3617013-21ssh23:47:300
3538960998527,15cyclictest3553549-21sh21:28:141
3538960998527,15cyclictest3553549-21sh21:28:131
353895699837,64cyclictest3552164-21ssh21:25:020
3538956998126,51cyclictest3549163-21ssh21:18:510
353895699801,13cyclictest3572559-21latency_hist22:10:020
3538956997937,37cyclictest16850irq/134-800000000:00:020
3538960997629,18cyclictest3545468-21sh21:10:161
3538956997624,34cyclictest3631359-21ssh00:18:590
3538960997524,16cyclictest3594877-21ssh22:59:001
3538956997528,30cyclictest3607606-21ssh23:26:450
3538960997430,17cyclictest3583529-21ssh22:34:101
3538960997430,17cyclictest3583529-21ssh22:34:101
3538960997426,15cyclictest3636713-21sh00:30:191
3538960997420,13cyclictest3630786-21ssh00:17:391
3538956997423,34cyclictest3566800-21ssh21:57:130
353895699732,6cyclictest3467602-21systemd-journal22:45:010
3538960997225,17cyclictest3634848-21sh00:26:281
3538960997220,14cyclictest3558335-21ssh21:38:511
3538956997223,32cyclictest3612625-21ssh23:37:590
353895699721,66cyclictest3583901-21munin-run22:35:020
353895699721,66cyclictest3583901-21munin-run22:35:010
353895699721,5cyclictest3588898-21sshd22:45:350
3538956997215,11cyclictest3604955-21ssh23:20:390
3538960997125,15cyclictest3568304-21ssh22:00:121
3538960997124,14cyclictest3589681-21sh22:47:251
3538956997122,45cyclictest16950irq/224-800000000:23:420
3538956997122,16cyclictest3597407-21ssh23:04:330
3538956997122,16cyclictest3597407-21ssh23:04:320
353895699711,2cyclictest0-21swapper/021:33:430
3538960997031,15cyclictest3640721-21ssh00:39:301
3538960997028,13cyclictest3592353-21sh22:53:221
3538960997028,13cyclictest3592353-21sh22:53:211
353895699702,64cyclictest3467602-21systemd-journal21:38:560
3538956997026,39cyclictest16950irq/224-800000021:15:000
353895699702,12cyclictest3568295-21ssh22:00:100
3538960996926,14cyclictest3603151-21sh23:17:011
3538960996926,14cyclictest0-21swapper/122:44:081
3538960996923,11cyclictest3615716-21ssh23:44:491
3538960996922,14cyclictest3616765-21ssh23:46:451
3538960996922,14cyclictest3616765-21ssh23:46:441
3538956996927,37cyclictest3583874-21cron22:35:020
353895699692,62cyclictest0-21swapper/000:25:040
3538956996918,5cyclictest16850irq/134-800000021:30:010
3538956996918,5cyclictest16850irq/134-800000021:30:000
3538960996831,6cyclictest3579888-21ssh22:25:431
3538960996826,13cyclictest0-21swapper/123:20:101
3538960996822,15cyclictest3539409-21latency_hist19:20:031
3538956996823,41cyclictest0-21swapper/023:55:000
3538956996821,3cyclictest0-21swapper/022:28:020
3538956996813,11cyclictest3562931-21ssh21:48:560
3538960996727,11cyclictest0-21swapper/123:51:531
3538956996729,33cyclictest3467602-21systemd-journal20:35:000
3538956996728,35cyclictest12-21ksoftirqd/023:13:110
3538960996623,14cyclictest0-21swapper/121:53:381
3538960996620,14cyclictest3621359-21ssh23:56:551
3538960996619,13cyclictest3573637-21ssh22:12:021
353895699661,3cyclictest0-21swapper/020:50:000
3538969996517,11cyclictest37-21ksoftirqd/322:20:393
3538956996524,37cyclictest3577222-21latency_hist22:20:010
3538956996523,36cyclictest309-21in:imuxsock20:40:010
353895699652,21cyclictest3565787-21cat21:55:010
3538960996445,15cyclictest3600669-21ssh23:11:301
3538960996425,11cyclictest3559995-21sh21:42:241
3538960996424,12cyclictest0-21swapper/122:35:311
3538956996426,34cyclictest3604466-21ssh23:20:020
353895699642,18cyclictest3544347-21munin-run20:55:010
3538956996415,6cyclictest16850irq/134-800000021:44:480
3538960996344,15cyclictest3607910-21ssh23:27:281
3538960996343,17cyclictest3540939-21sshd19:45:061
3538960996325,13cyclictest3623300-21ssh00:01:051
3538960996325,11cyclictest0-21swapper/121:34:431
3538960996317,14cyclictest3632676-21ssh00:21:381
3538956996325,34cyclictest3598391-21sh23:06:300
3538956996322,2cyclictest0-21swapper/022:21:270
3538956996321,36cyclictest275-21dbus-daemon20:00:000
3538956996320,2cyclictest0-21swapper/023:32:070
353895699631,57cyclictest3623392-21ssh00:01:180
3538965996252,6cyclictest3582088-21kworker/2:100:10:182
3538960996249,10cyclictest3628071-21ssh00:11:381
3538960996247,12cyclictest3612914-21ssh23:38:411
3538960996244,14cyclictest3542479-21sshd20:15:071
3538960996243,15cyclictest3599187-21ssh23:08:231
3538960996219,13cyclictest3575479-21ssh22:16:011
353895699623,20cyclictest3542520-21modprobe20:20:010
3538956996231,28cyclictest12-21ksoftirqd/022:53:120
3538956996231,28cyclictest12-21ksoftirqd/022:53:110
353895699622,27cyclictest3593644-21ssh22:56:020
3538956996221,35cyclictest3636351-21cron00:30:020
3538956996219,5cyclictest0-21swapper/020:05:010
353895699621,58cyclictest0-21swapper/023:45:020
3538960996144,13cyclictest3625698-21ssh00:06:211
3538960996144,13cyclictest3609692-21ssh23:31:221
3538960996144,13cyclictest3566621-21ssh21:56:471
3538960996143,14cyclictest3572008-21ssh22:08:431
3538960996143,14cyclictest3562645-21ssh21:48:171
3538960996142,15cyclictest3578074-21ssh22:21:471
3538960996141,16cyclictest3548207-21ssh21:16:261
3538960996126,31cyclictest23-21ksoftirqd/120:10:011
3538956996138,20cyclictest16950irq/224-800000022:10:300
353895699612,6cyclictest3542286-21grep20:15:010
3538960996046,12cyclictest3551372-21ssh21:23:271
3538960996016,14cyclictest3541234-21systemd-run19:55:001
3538969995934,7cyclictest37-21ksoftirqd/323:03:493
3538969995934,7cyclictest37-21ksoftirqd/323:03:483
3538965995937,13cyclictest3467602-21systemd-journal22:35:012
3538965995937,13cyclictest3467602-21systemd-journal22:35:012
3538960995944,13cyclictest3596029-21ssh23:01:181
3538960995944,13cyclictest3596029-21ssh23:01:181
3538960995944,12cyclictest3540694-21sshd19:41:081
353895699594,21cyclictest3545127-21sh21:10:010
3538956995924,31cyclictest0-21swapper/000:38:340
3538956995922,33cyclictest12-21ksoftirqd/000:06:580
353895699591,24cyclictest0-21swapper/000:13:230
3538969995816,10cyclictest37-21ksoftirqd/300:10:303
3538969995812,7cyclictest37-21ksoftirqd/300:30:013
3538965995850,5cyclictest3582088-21kworker/2:123:26:102
3538965995848,6cyclictest3582088-21kworker/2:123:37:372
3538965995847,6cyclictest3582088-21kworker/2:123:15:022
3538960995842,12cyclictest3543531-21sshd20:36:071
3538969995713,10cyclictest37-21ksoftirqd/323:15:003
3538965995748,6cyclictest3582088-21kworker/2:100:00:072
3538960995744,10cyclictest3543034-21sshd20:28:071
3538960995744,10cyclictest3543034-21sshd20:28:071
353895699572,16cyclictest3539415-21munin-run19:20:000
3538965995646,5cyclictest3582088-21kworker/2:123:46:442
3538965995646,5cyclictest3582088-21kworker/2:123:46:432
3538965995646,5cyclictest3574842-21kworker/2:022:19:462
3538965995645,6cyclictest3582088-21kworker/2:123:08:262
3538965995645,5cyclictest3582088-21kworker/2:100:38:172
3538960995643,10cyclictest3540421-21sshd19:38:071
3538969995514,9cyclictest37-21ksoftirqd/321:41:143
3538965995547,5cyclictest3574842-21kworker/2:022:46:392
3538965995545,6cyclictest3582088-21kworker/2:100:25:352
3538960995542,10cyclictest3539670-21sshd19:24:071
3538960995541,11cyclictest364-21snmpd19:10:271
3538960995541,10cyclictest3543852-21munin-run20:45:021
3538960995535,16cyclictest364-21snmpd20:55:051
353896999549,10cyclictest3595358-21cat23:00:023
3538969995411,10cyclictest37-21ksoftirqd/321:55:363
3538965995445,6cyclictest3574842-21kworker/2:022:23:592
3538960995434,16cyclictest364-21snmpd21:07:401
3538960995425,24cyclictest3544114-21grep20:50:011
3538956995415,9cyclictest12-21ksoftirqd/019:15:010
3538969995313,9cyclictest37-21ksoftirqd/323:53:473
3538965995345,5cyclictest3582088-21kworker/2:123:19:262
3538965995345,5cyclictest3524286-21kworker/2:320:25:002
3538965995344,5cyclictest3524286-21kworker/2:321:15:432
3538960995340,10cyclictest364-21snmpd20:20:431
3538960995339,10cyclictest364-21snmpd20:00:061
3538960995338,12cyclictest3544843-21sshd21:00:241
3538956995329,21cyclictest12-21ksoftirqd/019:55:020
353895699531,48cyclictest0-21swapper/019:25:020
3538956995310,8cyclictest3467602-21systemd-journal19:50:000
3538965995244,5cyclictest3524286-21kworker/2:321:11:122
3538965995243,5cyclictest3582088-21kworker/2:122:59:592
3538965995243,5cyclictest3582088-21kworker/2:100:20:022
3538965995241,6cyclictest3582088-21kworker/2:100:02:062
3538960995239,9cyclictest48-21kcompactd019:33:001
3538960995235,13cyclictest364-21snmpd19:25:421
3538956995222,26cyclictest3540449-21latency_hist19:40:020
353895699522,19cyclictest3540330-21latency_hist19:35:020
353896999515,8cyclictest3598033-21sh23:05:403
353896999510,19cyclictest3552430-21ssh21:25:333
353896999510,19cyclictest3552430-21ssh21:25:333
3538965995143,5cyclictest3582088-21kworker/2:100:31:322
3538965995143,5cyclictest3531064-21kworker/2:219:30:012
3538965995143,5cyclictest3524286-21kworker/2:321:44:342
3538965995143,5cyclictest3524286-21kworker/2:321:34:122
3538965995142,6cyclictest3574842-21kworker/2:022:28:222
3538965995142,5cyclictest3524286-21kworker/2:321:50:062
3538965995142,5cyclictest3524286-21kworker/2:320:10:002
3538965995141,7cyclictest3582088-21kworker/2:100:21:062
3538965995141,6cyclictest3524286-21kworker/2:321:39:142
353896999508,9cyclictest37-21ksoftirqd/322:51:113
353896999508,9cyclictest37-21ksoftirqd/322:51:103
353896999506,8cyclictest37-21ksoftirqd/323:24:193
353896999504,13cyclictest37-21ksoftirqd/322:07:163
3538969995033,12cyclictest3467602-21systemd-journal20:10:003
3538969995016,8cyclictest37-21ksoftirqd/300:19:323
3538969995011,7cyclictest37-21ksoftirqd/300:08:143
3538965995043,5cyclictest3524286-21kworker/2:322:14:122
3538965995041,6cyclictest3582088-21kworker/2:122:51:472
3538965995041,6cyclictest3582088-21kworker/2:122:51:472
3538965995041,6cyclictest3524286-21kworker/2:321:57:252
3538965995041,6cyclictest3524286-21kworker/2:321:26:162
3538965995041,6cyclictest3524286-21kworker/2:321:26:152
3538965995041,5cyclictest3524286-21kworker/2:322:00:042
3538965995040,6cyclictest3582088-21kworker/2:123:50:172
3538965995040,6cyclictest3524286-21kworker/2:320:15:022
3538960995043,4cyclictest3542263-21munin-run20:15:001
3538960995031,15cyclictest364-21snmpd19:57:061
353895699502,18cyclictest3540726-21grep19:45:000
353895699502,17cyclictest364-21snmpd20:25:000
3538956995019,9cyclictest1-21systemd20:45:010
3538956995017,7cyclictest12-21ksoftirqd/021:02:580
353896999496,10cyclictest37-21ksoftirqd/322:30:013
3538969994929,17cyclictest37-21ksoftirqd/319:50:023
3538969994911,8cyclictest37-21ksoftirqd/320:35:003
3538965994941,5cyclictest3582088-21kworker/2:123:24:472
3538965994940,6cyclictest3574842-21kworker/2:022:42:352
3538965994940,5cyclictest3574842-21kworker/2:022:38:202
3538965994939,6cyclictest3524286-21kworker/2:321:05:002
3538960994917,28cyclictest3543490-21sort20:35:031
353896999489,9cyclictest37-21ksoftirqd/321:20:423
3538969994813,5cyclictest0-21swapper/321:39:043
3538965994840,5cyclictest3531064-21kworker/2:219:37:072
3538965994839,6cyclictest3582088-21kworker/2:123:43:262
3538965994839,6cyclictest3582088-21kworker/2:100:08:212
3538965994839,6cyclictest3524286-21kworker/2:321:22:472
3538965994839,5cyclictest3531064-21kworker/2:219:15:002
3538965994839,5cyclictest3524286-21kworker/2:321:45:422
3538956994825,20cyclictest12-21ksoftirqd/021:00:010
353895699482,14cyclictest3539963-21wc19:30:010
353896999477,8cyclictest37-21ksoftirqd/300:32:093
353896999476,7cyclictest37-21ksoftirqd/321:31:593
3538969994729,13cyclictest1-21systemd00:00:013
3538969994728,14cyclictest275-21dbus-daemon21:55:013
3538969994713,8cyclictest37-21ksoftirqd/321:12:253
3538969994712,8cyclictest0-21swapper/322:47:033
3538965994739,5cyclictest3531064-21kworker/2:219:31:392
3538965994738,6cyclictest3582088-21kworker/2:123:02:572
3538965994738,6cyclictest3582088-21kworker/2:123:02:562
3538965994737,6cyclictest3524286-21kworker/2:322:06:192
3538965994729,13cyclictest3467602-21systemd-journal20:05:022
3538960994736,9cyclictest150-21pr/ttyS220:52:351
3538969994628,15cyclictest0-21swapper/322:19:593
3538969994624,15cyclictest275-21dbus-daemon22:05:013
3538969994614,9cyclictest0-21swapper/300:03:533
3538965994626,13cyclictest3467602-21systemd-journal19:55:002
353895699461,19cyclictest3543247-21cat20:30:030
353896999458,7cyclictest37-21ksoftirqd/321:17:093
353896999456,8cyclictest37-21ksoftirqd/322:31:293
353896999456,8cyclictest37-21ksoftirqd/322:31:283
353896999454,8cyclictest37-21ksoftirqd/323:42:233
353896999454,7cyclictest37-21ksoftirqd/322:10:083
353896999454,6cyclictest37-21ksoftirqd/321:00:023
3538969994534,8cyclictest37-21ksoftirqd/320:50:013
3538969994530,12cyclictest37-21ksoftirqd/319:25:013
353896999451,8cyclictest0-21swapper/323:28:563
3538965994537,5cyclictest3582088-21kworker/2:123:32:082
3538965994536,5cyclictest3524286-21kworker/2:320:19:072
353896999444,6cyclictest37-21ksoftirqd/300:23:263
3538969994411,7cyclictest0-21swapper/323:19:423
3538965994436,5cyclictest3524286-21kworker/2:320:55:062
3538965994436,5cyclictest3524286-21kworker/2:320:00:022
3538965994429,11cyclictest3539412-21cat19:20:002
353896999435,8cyclictest37-21ksoftirqd/300:37:343
3538969994336,5cyclictest37-21ksoftirqd/323:38:103
3538969994310,7cyclictest0-21swapper/322:36:313
3538965994324,13cyclictest3467602-21systemd-journal20:30:012
3538965994324,13cyclictest3467602-21systemd-journal20:30:002
3538965994322,15cyclictest275-21dbus-daemon19:50:022
353896999421,16cyclictest0-21swapper/323:47:333
353896999421,16cyclictest0-21swapper/323:47:323
3538969994211,5cyclictest0-21swapper/322:40:463
3538960994219,19cyclictest3538968-21latency_hist19:10:011
353896999416,9cyclictest37-21ksoftirqd/321:45:273
353896999415,7cyclictest37-21ksoftirqd/320:00:373
3538969994110,5cyclictest131rcu_preempt23:32:593
3538965994134,4cyclictest3524286-21kworker/2:320:41:462
3538965994128,10cyclictest3544279-21sed20:50:022
353895699411,4cyclictest0-21swapper/020:08:210
353896999406,9cyclictest37-21ksoftirqd/319:40:333
3538969994026,10cyclictest3467602-21systemd-journal19:15:023
3538965994031,5cyclictest3524286-21kworker/2:321:05:522
3538969993926,8cyclictest309-21in:imuxsock19:15:013
3538969993925,10cyclictest3540156-21sshd19:30:063
353896999388,6cyclictest0-21swapper/320:22:083
3538965993830,5cyclictest3531064-21kworker/2:219:41:182
3538965993827,9cyclictest30-21ksoftirqd/220:35:012
353896599382,31cyclictest364-21snmpd20:37:022
3538956993819,4cyclictest0-21swapper/020:29:510
353896999374,8cyclictest37-21ksoftirqd/320:55:003
3538969993724,10cyclictest37-21ksoftirqd/320:45:013
3538969993721,12cyclictest3545101-21sshd21:07:063
353896599375,6cyclictest131rcu_preempt19:10:022
3538965993729,5cyclictest30-21ksoftirqd/219:25:022
353896999363,7cyclictest37-21ksoftirqd/320:39:073
3538969993620,12cyclictest3541461-21sshd19:59:073
353895699362,5cyclictest3539065-21sed19:10:020
3538969993521,10cyclictest3540416-21sshd19:37:073
3538969993518,12cyclictest275-21dbus-daemon20:20:013
3538969993516,14cyclictest275-21dbus-daemon21:05:003
3538965993524,5cyclictest30-21ksoftirqd/220:55:012
3538969993426,5cyclictest3539073-21latency_hist19:10:013
353896999341,7cyclictest37-21ksoftirqd/319:25:313
3538969993321,9cyclictest37-21ksoftirqd/320:27:343
3538969993321,9cyclictest37-21ksoftirqd/320:27:333
3538969993319,11cyclictest3541199-21sshd19:51:083
353896999322,7cyclictest37-21ksoftirqd/320:10:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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