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2026-01-30 - 22:00
[ 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 highest latencies:
System rackeslot6.osadl.org (updated Fri Jan 30, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3756025999383,8cyclictest3779823-21apt-get08:25:030
3756025998477,5cyclictest3752929-21kworker/u8:0+flush-179:007:25:000
3756025998475,7cyclictest1-21systemd09:25:000
3756027998369,13cyclictest3791248-21kworker/u8:1+flush-179:009:15:001
3756025997871,5cyclictest3830228-21kworker/u8:3+flush-179:012:00:010
3756027997764,11cyclictest3840010-21kworker/u8:1+events_unbound11:40:001
3756025997766,8cyclictest3764106-21/usr/sbin/munin07:35:240
3756025997759,15cyclictest3808960-21latency_hist09:55:010
3756027997672,3cyclictest3830173-21awk11:00:011
3756027997364,6cyclictest3791198-21latency_hist09:00:021
3756027997364,6cyclictest3791198-21latency_hist09:00:021
3756027997363,8cyclictest3759156-21kworker/u8:4+flush-179:007:30:231
3756025997263,6cyclictest3816923-21latency_hist10:20:000
3756027997061,7cyclictest3807114-21latency_hist09:50:021
3756027996962,5cyclictest714-21Xorg11:25:581
3756025996459,4cyclictest3801740-21kworker/u8:0+flush-179:009:30:230
3756025996355,6cyclictest3803964-21latency_hist09:40:010
3756025996352,8cyclictest3811631-21kworker/u8:0+flush-179:010:05:010
3756027996250,9cyclictest3834944-21apt-get11:14:591
375602599620,60cyclictest1-21systemd11:25:010
3756027996051,8cyclictest3850048-21apt-get12:00:121
3756025996051,6cyclictest3811631-21kworker/u8:0+flush-179:010:20:240
3756025995941,16cyclictest3836840-21kworker/u8:2+flush-179:011:20:000
3756025995851,5cyclictest3816980-21kworker/u8:1+flush-179:011:00:240
3756025995845,10cyclictest510-21rs:main0
3756025995845,10cyclictest510-21rs:main0
3756027995746,7cyclictest3807125-21apt-get09:50:021
3756025995747,5cyclictest3816980-21kworker/u8:1+flush-179:010:45:270
3756025995650,5cyclictest3778182-21kworker/u8:3+events_unbound08:40:000
3756025995648,5cyclictest3811631-21kworker/u8:0+flush-179:010:15:010
3756025995544,7cyclictest3816980-21kworker/u8:1+events_unbound10:35:020
3756027995445,7cyclictest266-21systemd-journal12:33:301
3756027995348,4cyclictest3836840-21kworker/u8:2+flush-179:011:30:271
3756027995343,8cyclictest3810821-21apt-get10:00:101
3756025995345,5cyclictest3846383-21kworker/u8:2+flush-179:012:30:010
3756025995330,6cyclictest3846337-21latency_hist11:50:000
375602599531,49cyclictest3857782-21munin-run12:25:010
3756025995248,2cyclictest0-21swapper/008:41:590
3756027995143,6cyclictest3783280-21kworker/u8:0+flush-179:008:35:231
3756027995142,7cyclictest3859333-21apt-get12:30:001
3756025995142,7cyclictest3752929-21kworker/u8:0+flush-179:007:15:230
3756025995142,6cyclictest3820092-21kworker/u8:2+events_unbound10:30:010
3756027995038,11cyclictest3846383-21kworker/u8:2+flush-179:012:20:221
3756027995037,10cyclictest3779823-21apt-get08:25:001
3756025995040,6cyclictest3830228-21kworker/u8:3+flush-179:011:50:200
3756025995037,10cyclictest3811631-21kworker/u8:0+events_unbound10:30:020
3756025994938,6cyclictest3830228-21kworker/u8:3+events_unbound11:45:010
4577091480,13ptp4l441ktimers/307:10:003
3756027994839,7cyclictest3776855-21/usr/sbin/munin08:15:231
3756025994842,4cyclictest3813770-21systemd-run10:10:010
3756027994738,7cyclictest3762317-21kworker/u8:1+flush-179:007:40:001
3756025994740,5cyclictest3759156-21kworker/u8:4+flush-179:007:45:230
3756025994740,4cyclictest3773449-21latency_hist08:05:010
3756025994739,6cyclictest3765458-21kworker/u8:0+flush-179:008:10:010
3756031994642,2cyclictest0-21swapper/208:41:592
3756027994641,4cyclictest266-21systemd-journal12:09:291
3756025994635,6cyclictest0-21swapper/012:40:000
3756027994526,17cyclictest3836840-21kworker/u8:2+flush-179:011:25:001
3756025994439,2cyclictest714-21Xorg11:06:000
3756025994438,4cyclictest3830228-21kworker/u8:3+events_unbound12:00:250
3756025994436,6cyclictest3801740-21kworker/u8:0+flush-179:009:40:230
3756033994341,1cyclictest0-21swapper/308:41:593
3756027994336,5cyclictest3816980-21kworker/u8:1+flush-179:011:00:251
3756027994333,9cyclictest3861434-21apt-get12:35:101
3756027994332,9cyclictest3821959-21apt-get10:35:001
3756025994339,3cyclictest3830228-21kworker/u8:3+flush-179:011:10:310
3756025994339,2cyclictest0-21swapper/007:26:590
3756025994336,5cyclictest3846383-21kworker/u8:2+flush-179:012:15:000
3756025994335,6cyclictest3830228-21kworker/u8:3+flush-179:012:10:000
3756027994238,3cyclictest3759147-21systemd-run07:20:011
3756025994237,4cyclictest3801740-21kworker/u8:0+flush-179:009:50:010
3756025994235,5cyclictest3759156-21kworker/u8:4+flush-179:007:50:140
3756025994234,5cyclictest3786420-21kworker/u8:0+events_unbound08:50:180
375603399410,1cyclictest0-21swapper/310:00:583
3756027994136,4cyclictest3807259-21kworker/u8:3+flush-179:010:10:001
3756027994136,3cyclictest3800763-21ls09:30:001
3756027994134,5cyclictest3765458-21kworker/u8:0+flush-179:007:40:231
3756025994130,7cyclictest0-21swapper/008:30:590
375602599410,39cyclictest3776639-21turbostat08:19:560
375603399400,35cyclictest0-21swapper/308:00:003
3756027994037,2cyclictest714-21Xorg10:50:591
375602799402,2cyclictest714-21Xorg12:15:001
375602799400,38cyclictest3835453-21apt-get11:15:121
3756031993936,2cyclictest0-21swapper/210:07:592
3756031993935,2cyclictest0-21swapper/208:57:002
3756031993935,2cyclictest0-21swapper/208:56:592
375603199390,37cyclictest0-21swapper/210:56:582
375603199390,36cyclictest0-21swapper/208:32:592
375603199390,1cyclictest0-21swapper/207:59:592
3756027993935,3cyclictest3825412-21turbostat10:49:541
375602799391,37cyclictest714-21Xorg08:07:591
375602799391,2cyclictest714-21Xorg09:19:581
375602799390,38cyclictest3775045-21turbostat08:14:551
375602799390,37cyclictest714-21Xorg09:09:591
375602799390,2cyclictest714-21Xorg07:24:591
3756025993934,3cyclictest3828583-21munin-run10:55:000
3756025993931,6cyclictest3846383-21kworker/u8:2+flush-179:012:15:210
3756031993835,2cyclictest0-21swapper/210:45:592
3756031993834,2cyclictest0-21swapper/210:17:592
375603199380,2cyclictest0-21swapper/211:32:002
3756027993835,2cyclictest714-21Xorg11:07:591
3756027993833,4cyclictest3768925-21apt-get07:50:091
3756025993834,3cyclictest714-21Xorg11:32:590
3756025993834,2cyclictest0-21swapper/009:06:580
3756025993832,4cyclictest3757539-21systemd-run07:15:010
3756033993735,1cyclictest0-21swapper/310:08:003
375603399370,35cyclictest0-21swapper/308:09:593
375603399370,1cyclictest0-21swapper/307:24:003
3756031993734,2cyclictest0-21swapper/212:24:552
375603199370,35cyclictest0-21swapper/212:04:592
375603199370,34cyclictest0-21swapper/208:09:592
3756027993729,5cyclictest3847924-21latency_hist11:55:021
3756027993720,15cyclictest0-21swapper/110:40:121
375602799370,36cyclictest0-21swapper/111:46:591
3756025993732,3cyclictest714-21Xorg07:58:590
3756033993634,1cyclictest0-21swapper/309:34:553
3756033993633,2cyclictest0-21swapper/310:45:593
375603399360,35cyclictest0-21swapper/310:56:583
3756031993633,2cyclictest0-21swapper/211:06:002
3756031993633,2cyclictest0-21swapper/209:35:592
3756031993632,2cyclictest0-21swapper/212:39:552
3756031993632,2cyclictest0-21swapper/210:11:002
3756031993631,2cyclictest0-21swapper/208:38:592
375603199360,2cyclictest0-21swapper/207:23:592
3756025993630,4cyclictest3778182-21kworker/u8:3+flush-179:009:10:190
3756033993533,1cyclictest0-21swapper/312:09:543
3756033993533,1cyclictest0-21swapper/308:57:003
3756033993533,1cyclictest0-21swapper/308:57:003
3756033993533,1cyclictest0-21swapper/308:15:593
3756033993532,2cyclictest0-21swapper/312:24:553
3756033993532,2cyclictest0-21swapper/309:35:593
3756031993532,2cyclictest0-21swapper/207:27:002
3756027993532,2cyclictest714-21Xorg11:44:591
375602799351,31cyclictest3791468-21apt-get09:00:131
3756025993531,2cyclictest0-21swapper/012:27:590
3756025993528,5cyclictest3778179-21kworker/u8:2+flush-179:008:25:010
375602599351,30cyclictest0-21swapper/009:55:130
3756033993432,1cyclictest0-21swapper/310:17:583
3756033993431,2cyclictest0-21swapper/307:26:593
3756031993431,2cyclictest0-21swapper/210:40:002
3756031993430,2cyclictest0-21swapper/208:24:552
375602799344,4cyclictest714-21Xorg07:14:591
3756027993432,1cyclictest3816980-21kworker/u8:1+flush-179:010:35:061
3756027993431,2cyclictest0-21swapper/110:28:581
3756027993426,6cyclictest3799164-21latency_hist09:25:021
3756027993425,7cyclictest3813977-21/usr/sbin/munin10:10:221
3756027993424,8cyclictest3780312-21/usr/sbin/munin08:25:211
3756025993430,3cyclictest714-21Xorg08:47:590
3756025993428,4cyclictest3830158-21cron11:00:000
3756025993428,4cyclictest3816980-21kworker/u8:1+flush-179:010:40:220
3756025993428,4cyclictest3778179-21kworker/u8:2+flush-179:009:25:240
3756033993331,1cyclictest0-21swapper/311:06:003
3756033993330,2cyclictest0-21swapper/310:11:003
3756033993330,2cyclictest0-21swapper/308:38:593
3756033993326,5cyclictest3838399-21turbostat11:25:013
3756027993325,6cyclictest3817172-21/usr/sbin/munin10:20:151
375602799332,3cyclictest3786694-21apt-get08:45:131
375602799332,17cyclictest3772256-21cpuspeed_turbos08:00:151
375602799330,31cyclictest714-21Xorg09:44:591
3756025993327,5cyclictest266-21systemd-journal09:04:390
3756025993324,6cyclictest3765458-21kworker/u8:0+events_unbound08:10:220
3756033993230,1cyclictest0-21swapper/312:39:563
3756033993229,2cyclictest0-21swapper/310:39:593
3756033993227,4cyclictest3818528-21turbostat10:25:003
3756033993226,5cyclictest3828582-21turbostat10:55:003
3756031993229,2cyclictest0-21swapper/210:02:582
3756027993229,2cyclictest0-21swapper/112:17:591
3756027993227,3cyclictest3848181-21apt-get11:55:121
3756027993227,3cyclictest3778182-21kworker/u8:3+flush-179:008:45:011
3756025993223,7cyclictest3836840-21kworker/u8:2+flush-179:011:25:210
375602599321,3cyclictest0-21swapper/011:35:130
4577091310,9ptp4l61490irq/134-eno1-TxRx-009:49:563
3756033993128,2cyclictest0-21swapper/308:24:553
3756031993129,1cyclictest0-21swapper/210:24:592
3756031993128,2cyclictest0-21swapper/209:06:592
3756031993127,2cyclictest0-21swapper/210:55:012
3756031993127,2cyclictest0-21swapper/208:04:552
375603199310,27cyclictest0-21swapper/211:35:132
3756027993127,3cyclictest3788981-21needreboot08:50:181
3756027993123,5cyclictest0-21swapper/109:56:001
3756025993127,2cyclictest0-21swapper/007:40:590
3756025993127,2cyclictest0-21swapper/007:30:130
4577091300,10ptp4l441ktimers/308:14:563
375603399300,28cyclictest0-21swapper/311:40:143
3756031993027,2cyclictest0-21swapper/209:30:152
375603199300,2cyclictest0-21swapper/211:40:132
375603199300,2cyclictest0-21swapper/209:25:122
375603199300,27cyclictest0-21swapper/212:10:122
375603199300,21cyclictest0-21swapper/211:20:122
375602799307,8cyclictest3817006-21cat10:20:011
4577091290,7ptp4l441ktimers/307:15:003
3756033992927,1cyclictest0-21swapper/309:06:583
3756033992926,2cyclictest0-21swapper/312:10:123
375603399290,27cyclictest0-21swapper/312:30:133
375603399290,27cyclictest0-21swapper/312:00:043
375603399290,27cyclictest0-21swapper/311:35:133
375603399290,27cyclictest0-21swapper/309:55:123
3756031992927,1cyclictest0-21swapper/212:30:012
3756031992926,2cyclictest0-21swapper/211:17:592
3756031992925,2cyclictest0-21swapper/209:45:112
3756031992925,2cyclictest0-21swapper/208:10:122
3756031992924,2cyclictest0-21swapper/210:25:122
375603199290,27cyclictest0-21swapper/209:53:002
375603199290,27cyclictest0-21swapper/208:25:122
375603199290,24cyclictest0-21swapper/207:45:132
375603199290,21cyclictest0-21swapper/209:55:132
3756027992923,4cyclictest3768834-21latency_hist07:50:001
3756027992918,2cyclictest171rcu_preempt09:39:541
3756025992923,4cyclictest3794420-21kworker/u8:0+flush-179:009:15:230
4577091280,7ptp4l441ktimers/310:45:013
4577091280,6ptp4l441ktimers/311:05:013
4577091280,6ptp4l441ktimers/309:55:013
4577091280,6ptp4l441ktimers/309:15:013
4577091280,6ptp4l441ktimers/307:54:553
3756033992826,1cyclictest0-21swapper/308:04:553
3756033992825,2cyclictest0-21swapper/311:17:593
3756033992825,2cyclictest0-21swapper/309:25:133
3756033992824,1cyclictest0-21swapper/307:30:133
375603399280,27cyclictest0-21swapper/310:30:123
375603399280,27cyclictest0-21swapper/308:47:593
375603399280,27cyclictest0-21swapper/308:25:123
375603399280,26cyclictest0-21swapper/311:30:143
375603399280,26cyclictest0-21swapper/310:25:133
3756031992825,2cyclictest0-21swapper/212:27:592
3756031992825,2cyclictest0-21swapper/208:47:592
3756031992825,1cyclictest0-21swapper/207:30:132
375603199280,26cyclictest0-21swapper/210:30:132
375602799284,9cyclictest714-21Xorg09:33:591
3756027992826,1cyclictest714-21Xorg07:56:591
4577091270,6ptp4l441ktimers/312:00:003
4577091270,6ptp4l441ktimers/311:54:553
4577091270,6ptp4l441ktimers/311:29:553
4577091270,6ptp4l441ktimers/308:35:013
4577091270,5ptp4l441ktimers/309:05:003
4577091270,5ptp4l441ktimers/308:54:553
3756033992724,2cyclictest0-21swapper/312:27:593
3756033992724,2cyclictest0-21swapper/311:14:583
375603399270,24cyclictest0-21swapper/309:24:593
375603199270,25cyclictest0-21swapper/211:11:592
375603199270,24cyclictest0-21swapper/208:18:592
375602799274,8cyclictest3761824-21processes07:25:251
4577091260,6ptp4l61490irq/134-eno1-TxRx-009:19:563
4577091260,5ptp4l61490irq/134-eno1-TxRx-012:19:563
4577091260,5ptp4l61490irq/134-eno1-TxRx-007:39:563
4577091260,5ptp4l441ktimers/307:19:553
3756033992625,1cyclictest0-21swapper/307:40:593
3756031992623,2cyclictest0-21swapper/207:10:262
3756031992622,2cyclictest0-21swapper/210:43:582
375603199260,2cyclictest0-21swapper/209:25:002
375603199260,24cyclictest0-21swapper/211:58:592
375603199260,24cyclictest0-21swapper/211:55:002
375603199260,24cyclictest0-21swapper/207:17:582
3756027992622,3cyclictest3782022-21cpuspeed_turbos08:30:141
4577091250,5ptp4l61490irq/134-eno1-TxRx-011:50:003
4577091250,5ptp4l441ktimers/309:44:543
4577091250,4ptp4l441ktimers/307:49:563
3756031992421,2cyclictest0-21swapper/211:02:592
3756031992421,2cyclictest0-21swapper/207:40:592
3756031992118,2cyclictest0-21swapper/212:19:592
3756031992118,2cyclictest0-21swapper/209:11:592
231999210,11rtkit-daemon3755894-21munin-run07:10:000
3756031992017,2cyclictest0-21swapper/207:35:592
3756027992015,4cyclictest0-21swapper/107:10:011
3756031991916,2cyclictest0-21swapper/209:19:592
3756031991915,2cyclictest0-21swapper/209:00:592
3756031991714,2cyclictest0-21swapper/211:47:002
3756031991714,2cyclictest0-21swapper/207:54:592
3756031991613,2cyclictest0-21swapper/211:26:592
375603199129,2cyclictest0-21swapper/208:50:592
375603199107,2cyclictest0-21swapper/209:40:132
37560319970,6cyclictest0-21swapper/212:05:582
37560319940,3cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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