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2026-02-11 - 15:20
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 376 highest latencies:
System rackeslot6.osadl.org (updated Wed Feb 11, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36932829910089,8cyclictest3739644-21latency_hist09:35:011
36932829910089,8cyclictest3739644-21latency_hist09:35:001
369327999981,93cyclictest1-21systemd07:14:590
3693282999688,5cyclictest3707592-21kworker/u8:3+flush-179:007:55:241
3693282999688,5cyclictest3707592-21kworker/u8:3+flush-179:007:55:231
3693279999686,7cyclictest3753964-21latency_hist10:20:010
3693282999278,5cyclictest3780232-21kworker/u8:2+events_unbound12:05:001
3693282998983,4cyclictest3702215-21kworker/u8:1+events_unbound07:50:001
3693282998781,5cyclictest3707534-21kworker/u8:2+flush-179:009:04:561
3693282998678,6cyclictest3730424-21kworker/u8:0+flush-179:009:15:001
3693282998678,5cyclictest3749236-21kworker/u8:3+flush-179:010:40:001
3693282998675,7cyclictest3794853-21latency_hist12:25:011
3693282998476,5cyclictest3688455-21kworker/u8:3+events_unbound07:10:241
3693282998377,5cyclictest3772276-21kworker/u8:2+flush-179:011:20:001
3693282998375,6cyclictest3770480-21http11:10:011
3693282998171,7cyclictest3734918-21kworker/u8:2+flush-179:009:30:001
3693282998074,5cyclictest3749236-21kworker/u8:3+events_unbound10:40:251
3693282998074,4cyclictest3744402-21kworker/u8:0+flush-179:010:20:001
3693279997865,10cyclictest3785036-21apt-get11:55:000
3693282997766,5cyclictest3707592-21kworker/u8:3+events_unbound08:05:001
3693279997768,7cyclictest3793258-21latency_hist12:20:010
3693279997767,7cyclictest266-21systemd-journal08:15:010
3693282997671,4cyclictest3744402-21kworker/u8:0+flush-179:010:24:571
3693282997671,4cyclictest3702215-21kworker/u8:1+events_unbound07:40:001
3693282997670,4cyclictest3738101-21kworker/u8:3+flush-179:009:45:001
3693282997667,6cyclictest3711790-21kworker/u8:0+flush-179:008:10:001
3693282997566,7cyclictest3796417-21kworker/u8:3+flush-179:012:35:211
3693279997565,7cyclictest3758733-21latency_hist10:35:010
3693282997468,4cyclictest3713968-21kworker/u8:3+events_unbound08:35:231
3693282997468,4cyclictest3707534-21kworker/u8:2+events_unbound08:20:001
3693282997063,4cyclictest3762152-21kworker/u8:1+flush-179:011:00:191
3693282996963,4cyclictest3778644-21kworker/u8:1+events_unbound12:10:251
3693282996962,5cyclictest3707534-21kworker/u8:2+events_unbound08:20:241
3693282996962,5cyclictest3707534-21kworker/u8:2+events_unbound08:20:241
3693282996934,33cyclictest714-21Xorg11:41:591
3693279996957,9cyclictest3767273-21latency_hist11:00:010
3693282996862,4cyclictest3688455-21kworker/u8:3+events_unbound07:20:011
3693282996861,5cyclictest3697969-21kworker/u8:0+flush-179:007:40:201
3693282996861,4cyclictest3744468-21kworker/u8:2+flush-179:009:55:201
3693279996859,8cyclictest3733939-21kworker/u8:1+flush-179:009:35:270
3693282996761,4cyclictest3789218-21kworker/u8:0+flush-179:012:05:191
3693282996760,5cyclictest3748391-21kworker/u8:1+flush-179:010:00:221
3693282996760,5cyclictest3707534-21kworker/u8:2+flush-179:008:40:141
3693282996758,6cyclictest3730424-21kworker/u8:0+flush-179:009:15:161
3693279996661,3cyclictest3707534-21kworker/u8:2+flush-179:008:45:270
3693282996560,4cyclictest3780307-21kworker/u8:3+flush-179:011:59:561
3693282996560,4cyclictest3738101-21kworker/u8:3+flush-179:009:45:251
3693282996559,4cyclictest3791634-21kworker/u8:2+flush-179:012:25:211
3693282996559,3cyclictest3707534-21kworker/u8:2+flush-179:008:10:211
3693279996556,7cyclictest3755563-21latency_hist10:25:000
3693279996556,6cyclictest3709159-21latency_hist08:00:020
3693279996556,6cyclictest3709159-21latency_hist08:00:020
3693282996453,5cyclictest3693162-21kworker/u8:2+events_unbound07:20:151
3693282996356,6cyclictest3778644-21kworker/u8:1+flush-179:011:35:011
3693282996353,8cyclictest266-21systemd-journal07:54:561
3693279996355,6cyclictest3713968-21kworker/u8:3+flush-179:008:35:250
3693282996256,4cyclictest3707534-21kworker/u8:2+flush-179:009:05:151
3693282996253,6cyclictest3749236-21kworker/u8:3+events_unbound10:55:191
3693279996253,6cyclictest3747602-21latency_hist10:00:000
3693279996252,8cyclictest3749236-21kworker/u8:3+flush-179:010:50:010
3693282996156,4cyclictest3778644-21kworker/u8:1+flush-179:012:30:251
3693282996154,5cyclictest3777077-21latency_hist11:30:011
3693282996152,7cyclictest3780307-21kworker/u8:3+flush-179:011:45:261
3693282995955,3cyclictest3749236-21kworker/u8:3+flush-179:010:25:241
3693282995954,4cyclictest3738101-21kworker/u8:3+events_unbound09:35:211
3693282995954,4cyclictest3693162-21kworker/u8:2+flush-179:007:25:211
3693282995852,4cyclictest3697969-21kworker/u8:0+flush-179:007:30:211
3693282995747,7cyclictest3738101-21kworker/u8:3+flush-179:009:50:191
3693282995651,3cyclictest3762152-21kworker/u8:1+events_unbound10:45:241
3693279995552,2cyclictest3791634-21kworker/u8:2+events_unbound12:20:240
3693279995549,4cyclictest3707556-21latency_hist07:55:000
3693279995548,5cyclictest3735140-21apt-get09:20:110
3693279995547,6cyclictest3752368-21latency_hist10:15:020
3693279995444,7cyclictest3731428-21latency_hist09:10:010
3693279995443,9cyclictest266-21systemd-journal08:55:220
369327999541,39cyclictest714-21Xorg11:59:590
3693282995347,4cyclictest3778644-21kworker/u8:1+events_unbound12:15:111
3693282995248,3cyclictest3770945-21kworker/u8:0+events_unbound11:20:291
3693282995245,6cyclictest3713968-21kworker/u8:3+flush-179:008:55:001
3693282995143,6cyclictest3744402-21kworker/u8:0+flush-179:010:10:201
3693279995144,5cyclictest3750782-21latency_hist10:10:010
3693279995044,5cyclictest3789218-21kworker/u8:0+events_unbound12:10:010
369327999500,9cyclictest3770459-21apt-get11:10:030
369327999500,9cyclictest3770459-21apt-get11:10:030
4577091490,14ptp4l441ktimers/307:10:013
3693288994946,1cyclictest0-21swapper/307:20:593
3693282994941,6cyclictest3778644-21kworker/u8:1+events_unbound11:50:191
3693282994938,9cyclictest3735426-21diskstats09:20:141
3693279994943,4cyclictest3718702-21latency_hist08:30:010
3693279994941,6cyclictest3757147-21latency_hist10:30:000
3693282994843,4cyclictest3778644-21kworker/u8:1+flush-179:011:35:251
3693282994843,4cyclictest3765076-21kworker/u8:0+flush-179:010:53:011
3693282994843,4cyclictest3744402-21kworker/u8:0+events_unbound10:05:261
3693279994840,6cyclictest3746006-21latency_hist09:55:020
3693279994839,6cyclictest3697969-21kworker/u8:0+flush-179:007:30:240
3693279994834,12cyclictest3706008-21systemd-run07:50:010
369327999480,45cyclictest0-21swapper/009:45:130
3693282994739,6cyclictest3723717-21/usr/sbin/munin08:45:181
3693279994741,3cyclictest3707592-21kworker/u8:3+flush-179:008:05:210
3693279994740,4cyclictest3790323-21apt-get12:10:100
3693279994739,5cyclictest3749200-21latency_hist10:05:000
3693279994738,7cyclictest3733939-21kworker/u8:1+flush-179:009:40:160
369327999471,44cyclictest0-21swapper/007:20:130
3693282994541,3cyclictest3707534-21kworker/u8:2+flush-179:008:30:201
3693279994538,5cyclictest266-21systemd-journal12:37:230
3693279994534,8cyclictest3778644-21kworker/u8:1+events_unbound11:40:000
3693284994439,3cyclictest0-21swapper/207:20:592
3693279994441,2cyclictest0-21swapper/010:50:590
3693279994439,4cyclictest3731571-21kworker/u8:3+flush-179:009:10:260
3693279994437,5cyclictest3775491-21latency_hist11:25:010
3693279994435,7cyclictest266-21systemd-journal10:39:550
3693279994427,14cyclictest3798039-21grep12:34:590
3693279994339,3cyclictest3773879-21cron11:20:000
3693279994335,6cyclictest3695053-21apt-get07:15:120
3693279994334,7cyclictest266-21systemd-journal09:15:220
3693282994237,4cyclictest3717375-21kworker/u8:0+events_unbound08:25:131
3693279994234,7cyclictest3718958-21apt-get08:30:120
3693279994226,13cyclictest0-21swapper/011:05:120
369328899410,39cyclictest3773904-21turbostat11:20:003
369327999411,38cyclictest714-21Xorg09:04:590
369328899400,38cyclictest3715535-21turbostat08:20:013
3693282994037,2cyclictest0-21swapper/108:59:001
369328299401,2cyclictest714-21Xorg11:13:591
369328299401,2cyclictest714-21Xorg11:13:591
3693279994033,5cyclictest266-21systemd-journal08:19:230
369328499390,37cyclictest0-21swapper/212:39:542
369328299395,28cyclictest0-21swapper/110:30:121
3693279993932,5cyclictest3707534-21kworker/u8:2+flush-179:008:40:220
3693279993930,6cyclictest3726650-21latency_hist08:55:000
369327999390,37cyclictest714-21Xorg10:43:580
3693279993831,5cyclictest266-21systemd-journal07:41:230
3693279993823,14cyclictest0-21swapper/008:03:580
3693288993734,2cyclictest0-21swapper/312:07:593
3693288993733,2cyclictest0-21swapper/310:09:593
369328899370,36cyclictest0-21swapper/307:16:003
3693284993734,2cyclictest0-21swapper/211:28:592
3693284993734,2cyclictest0-21swapper/211:20:002
3693284993734,2cyclictest0-21swapper/210:37:002
3693284993734,2cyclictest0-21swapper/209:13:002
3693284993734,2cyclictest0-21swapper/208:29:542
369328499370,35cyclictest0-21swapper/207:37:582
3693279993732,3cyclictest3768871-21munin-plugin-st11:05:000
3693279993730,5cyclictest3775496-21kworker/u8:3+flush-179:011:30:000
3693279993720,16cyclictest0-21swapper/008:20:590
3693279993720,16cyclictest0-21swapper/008:20:580
3693288993634,1cyclictest0-21swapper/310:29:543
369328899360,35cyclictest0-21swapper/307:49:553
369328899360,35cyclictest0-21swapper/307:44:553
369328899360,1cyclictest0-21swapper/312:24:003
369328899360,1cyclictest0-21swapper/307:31:593
369328899360,1cyclictest0-21swapper/307:11:583
3693284993633,2cyclictest0-21swapper/208:44:552
369327999360,1cyclictest0-21swapper/011:34:550
3693288993532,2cyclictest0-21swapper/308:07:583
369328899350,34cyclictest0-21swapper/311:33:593
369328899350,1cyclictest0-21swapper/312:35:593
369328899350,1cyclictest0-21swapper/311:28:593
369328899350,1cyclictest0-21swapper/308:44:563
3693284993532,2cyclictest0-21swapper/209:27:002
3693284993532,2cyclictest0-21swapper/207:49:552
3693284993532,2cyclictest0-21swapper/207:44:552
3693284993532,2cyclictest0-21swapper/207:11:592
3693284993531,2cyclictest0-21swapper/212:09:552
3693284993432,1cyclictest0-21swapper/208:20:012
3693284993431,2cyclictest0-21swapper/212:24:002
3693284993431,2cyclictest0-21swapper/207:32:002
3693284993431,2cyclictest0-21swapper/207:16:002
3693279993416,17cyclictest0-21swapper/009:26:590
3693279993414,19cyclictest0-21swapper/007:35:250
3693288993331,1cyclictest0-21swapper/312:27:593
3693288993331,1cyclictest0-21swapper/308:14:003
3693288993330,2cyclictest0-21swapper/310:34:003
3693288993330,2cyclictest0-21swapper/310:18:593
3693284993330,2cyclictest0-21swapper/211:33:592
3693279993328,3cyclictest3783525-21latency_hist11:50:010
3693279993324,6cyclictest0-21swapper/007:26:590
4577091320,5ptp4l61490irq/134-eno1-TxRx-011:59:553
3693288993230,1cyclictest0-21swapper/312:32:583
3693284993229,1cyclictest0-21swapper/208:23:592
3693284993229,1cyclictest0-21swapper/208:23:582
369327999327,5cyclictest3787381-21expr12:00:160
369327999322,6cyclictest0-21swapper/012:27:590
3693279993212,19cyclictest3739058-21ntp_kernel_err09:30:190
3693279993212,19cyclictest3739058-21ntp_kernel_err09:30:180
3693288993129,1cyclictest0-21swapper/309:06:593
369328899310,30cyclictest0-21swapper/311:50:593
3693284993128,2cyclictest0-21swapper/211:22:592
3693284993128,2cyclictest0-21swapper/209:24:552
3693284993128,2cyclictest0-21swapper/208:04:562
369327999317,5cyclictest266-21systemd-journal11:45:000
231999310,12rtkit-daemon495-21gpm07:08:280
3693288993028,1cyclictest0-21swapper/311:35:593
3693288993027,2cyclictest0-21swapper/308:59:593
369328899300,2cyclictest0-21swapper/310:50:123
369328899300,28cyclictest0-21swapper/311:40:133
3693284993027,2cyclictest0-21swapper/211:57:592
3693284993027,2cyclictest0-21swapper/210:29:542
369328499300,28cyclictest0-21swapper/209:00:122
3693288992927,1cyclictest0-21swapper/310:40:023
3693288992927,1cyclictest0-21swapper/308:00:143
369328899290,28cyclictest0-21swapper/309:10:123
369328899290,27cyclictest0-21swapper/309:00:133
3693284992926,2cyclictest0-21swapper/212:30:142
3693284992926,2cyclictest0-21swapper/211:05:122
3693284992926,2cyclictest0-21swapper/210:50:122
3693284992926,2cyclictest0-21swapper/210:20:122
3693284992926,2cyclictest0-21swapper/209:30:112
3693284992926,2cyclictest0-21swapper/209:30:112
3693284992926,2cyclictest0-21swapper/207:50:122
3693284992924,3cyclictest0-21swapper/212:27:592
369328499290,27cyclictest0-21swapper/212:00:152
369328499290,27cyclictest0-21swapper/211:40:132
369328499290,27cyclictest0-21swapper/210:40:022
369328499290,27cyclictest0-21swapper/208:45:152
369328499290,27cyclictest0-21swapper/207:55:132
369328499290,27cyclictest0-21swapper/207:55:122
4577091280,8ptp4l441ktimers/308:30:003
4577091280,7ptp4l441ktimers/308:24:593
4577091280,7ptp4l441ktimers/308:24:593
4577091280,7ptp4l441ktimers/308:00:013
4577091280,7ptp4l441ktimers/308:00:013
3693288992826,1cyclictest0-21swapper/312:19:553
3693288992825,2cyclictest0-21swapper/311:03:593
3693288992825,2cyclictest0-21swapper/309:30:113
3693288992825,2cyclictest0-21swapper/309:30:103
369328899280,27cyclictest0-21swapper/311:05:133
369328899280,27cyclictest0-21swapper/310:20:123
369328899280,26cyclictest0-21swapper/312:00:153
369328899280,26cyclictest0-21swapper/307:50:113
3693284992826,1cyclictest0-21swapper/210:09:592
3693284992825,2cyclictest0-21swapper/211:50:592
3693284992825,2cyclictest0-21swapper/211:36:592
3693284992825,2cyclictest0-21swapper/208:12:592
369328499280,27cyclictest0-21swapper/209:45:132
369328499280,26cyclictest0-21swapper/210:45:132
369328499280,26cyclictest0-21swapper/209:06:592
4577091270,6ptp4l61490irq/134-eno1-TxRx-009:30:003
4577091270,6ptp4l441ktimers/310:49:563
4577091270,5ptp4l441ktimers/312:15:013
3693288992725,1cyclictest0-21swapper/308:48:593
3693288992724,2cyclictest0-21swapper/311:21:593
3693288992724,2cyclictest0-21swapper/309:55:003
3693288992723,2cyclictest0-21swapper/309:36:003
369328899270,26cyclictest0-21swapper/309:24:003
369328899270,26cyclictest0-21swapper/308:36:583
369328899270,1cyclictest0-21swapper/310:35:143
369328899270,1cyclictest0-21swapper/309:45:133
369328899270,1cyclictest0-21swapper/307:35:133
3693284992724,2cyclictest0-21swapper/208:07:592
3693284992724,2cyclictest0-21swapper/207:28:592
4577091260,6ptp4l441ktimers/311:15:003
4577091260,6ptp4l441ktimers/311:15:003
4577091260,6ptp4l441ktimers/308:54:543
4577091260,6ptp4l441ktimers/307:30:013
3693284992623,2cyclictest0-21swapper/210:33:592
3693284992623,2cyclictest0-21swapper/210:19:002
369328499260,24cyclictest0-21swapper/210:11:592
369328499260,24cyclictest0-21swapper/208:55:002
369328499260,1cyclictest0-21swapper/208:55:122
4577091250,5ptp4l61490irq/134-eno1-TxRx-011:00:003
4577091250,5ptp4l441ktimers/309:59:553
369328899250,24cyclictest0-21swapper/310:13:593
369328899250,1cyclictest0-21swapper/309:41:593
4577091240,5ptp4l441ktimers/311:49:563
3693284992421,2cyclictest0-21swapper/211:14:562
3693284992421,2cyclictest0-21swapper/211:14:552
3693284992421,2cyclictest0-21swapper/211:03:592
3693284992421,2cyclictest0-21swapper/208:36:592
4577091230,4ptp4l61490irq/134-eno1-TxRx-010:04:553
4577091230,4ptp4l441ktimers/308:34:553
3693284992320,2cyclictest0-21swapper/209:42:002
3693284992219,2cyclictest0-21swapper/209:52:592
369328299223,13cyclictest3693281-21cat07:10:011
3693288992119,1cyclictest0-21swapper/309:15:583
3693284992118,2cyclictest0-21swapper/212:15:592
3693284992118,2cyclictest0-21swapper/210:03:592
3693284992016,2cyclictest0-21swapper/209:35:592
3693284991714,2cyclictest0-21swapper/211:46:592
3693284991613,2cyclictest0-21swapper/209:59:562
3693284991612,2cyclictest0-21swapper/209:15:582
369328499139,2cyclictest0-21swapper/212:11:592
369328499129,2cyclictest0-21swapper/210:55:122
369328499117,2cyclictest0-21swapper/208:31:002
36932849930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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