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2026-02-23 - 22:46
[ 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 Mon Feb 23, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37692049910898,7cyclictest3880887-21latency_hist12:40:011
37692039910378,7cyclictest3843916-21latency_hist11:00:010
3769204999989,7cyclictest3835162-21latency_hist10:35:011
3769203999686,8cyclictest3848686-21apt-get11:15:030
3769203999588,5cyclictest3781857-21apt-get07:50:040
3769204999181,8cyclictest3769331-21/usr/sbin/munin07:10:241
3769203998980,7cyclictest3835169-21apt-get10:35:000
3769203998676,8cyclictest3863607-21/usr/sbin/munin11:45:230
3769203998476,6cyclictest3872903-21latency_hist12:15:010
3769203998272,8cyclictest3801453-21/usr/sbin/munin08:50:230
3769204998073,5cyclictest3851243-21kworker/u8:2+flush-179:011:45:011
3769204997871,4cyclictest3869709-21kworker/u8:2+flush-179:012:05:001
3769204997870,6cyclictest3769063-21latency_hist07:10:021
3769203997666,7cyclictest3791656-21latency_hist08:20:000
3769204997566,6cyclictest3864954-21latency_hist11:50:011
3769204997349,22cyclictest3840209-21apt-get10:50:021
3769203997263,7cyclictest266-21systemd-journal11:34:420
3769203997260,10cyclictest3820330-21apt-get09:50:010
3769204997163,6cyclictest3850552-21latency_hist11:20:011
3769204997163,6cyclictest3837024-21latency_hist10:40:011
3769203997166,3cyclictest3861769-21kworker/u8:0+flush-179:011:55:240
3769203997165,5cyclictest3764537-21kworker/u8:1+flush-179:007:55:160
3769203996858,8cyclictest3860382-21apt-get11:35:120
3769204996756,9cyclictest266-21systemd-journal11:30:001
3769204996659,4cyclictest3799631-21latency_hist08:45:001
3769203996660,4cyclictest3822152-21kworker/u8:0+flush-179:009:55:170
3769203996660,4cyclictest3806036-21kworker/u8:2+events_unbound09:35:390
3769203996557,6cyclictest3861769-21kworker/u8:0+flush-179:012:10:000
3769204996356,5cyclictest3877923-21/usr/sbin/munin12:30:251
3769203996357,4cyclictest3804376-21kworker/u8:3+flush-179:009:00:210
3769203996356,5cyclictest3818783-21kworker/u8:3+events_unbound09:55:010
3769204996252,8cyclictest3845479-21kworker/u8:0+events_unbound11:25:001
3769203996256,4cyclictest3764537-21kworker/u8:1+flush-179:007:20:010
3769203996152,7cyclictest3798012-21kworker/u8:0+flush-179:008:40:010
3769203996152,7cyclictest3798012-21kworker/u8:0+flush-179:008:40:000
3769204996052,6cyclictest3851243-21kworker/u8:2+flush-179:011:34:231
3769204996052,5cyclictest3806036-21kworker/u8:2+flush-179:009:25:151
3769203996055,2cyclictest1-21systemd09:00:010
3769203996054,4cyclictest3831715-21kworker/u8:1+events_unbound11:15:010
3769203996052,6cyclictest3861769-21kworker/u8:0+flush-179:012:15:150
3769203995952,5cyclictest3869709-21kworker/u8:2+flush-179:012:20:170
3769204995851,5cyclictest3806036-21kworker/u8:2+flush-179:009:20:001
3769204995848,8cyclictest266-21systemd-journal08:35:001
3769203995852,4cyclictest3804376-21kworker/u8:3+events_unbound09:25:230
3769203995848,8cyclictest3772546-21apt-get07:20:110
3769203995753,3cyclictest3872948-21kworker/u8:1+flush-179:012:25:140
3769204995648,6cyclictest3774886-21kworker/u8:0+flush-179:007:35:221
3769204995631,6cyclictest3831729-21latency_hist10:25:001
3769203995650,4cyclictest3791710-21kworker/u8:2+events_unbound08:49:590
3769203995646,7cyclictest3788511-21kworker/u8:1+flush-179:008:10:230
3769204995545,8cyclictest3818990-21apt-get09:45:111
3769203995548,5cyclictest3806036-21kworker/u8:2+flush-179:009:15:160
3769203995542,10cyclictest266-21systemd-journal07:45:010
3769203995444,7cyclictest3775461-21latency_hist07:30:010
3769204995346,5cyclictest3806036-21kworker/u8:2+events_unbound09:20:251
3769203995347,4cyclictest3831715-21kworker/u8:1+flush-179:010:25:200
3769203995245,5cyclictest3852388-21apt-get11:25:110
3769203995242,8cyclictest3835677-21apt-get10:35:140
3769203995238,11cyclictest266-21systemd-journal11:02:290
3769204995142,7cyclictest3825361-21latency_hist10:05:011
3769204995134,2cyclictest0-21swapper/111:38:591
3769204995124,9cyclictest3781851-21latency_hist07:50:021
3769203995144,5cyclictest3788514-21kworker/u8:3+flush-179:008:30:220
3769204995042,6cyclictest3840209-21apt-get10:50:001
3769203995045,4cyclictest3864988-21kworker/u8:3+flush-179:011:54:300
3769203995043,5cyclictest3780511-21kworker/u8:2+events_unbound07:45:240
3769203995040,7cyclictest3853708-21kworker/u8:1+events_unbound11:40:130
3769203995040,7cyclictest3804376-21kworker/u8:3+events_unbound09:05:210
3769203995040,7cyclictest3804376-21kworker/u8:3+events_unbound09:05:210
3769204994940,7cyclictest3796673-21/usr/sbin/munin08:35:241
3769204994940,7cyclictest3796673-21/usr/sbin/munin08:35:241
3769204994939,8cyclictest3817402-21apt-get09:40:131
3769204994936,12cyclictest3829568-21kworker/u8:0+events_unbound10:20:021
3769204994936,12cyclictest3829568-21kworker/u8:0+events_unbound10:20:011
3769203994944,4cyclictest3804376-21kworker/u8:3+flush-179:009:24:290
3769203994942,5cyclictest3876335-21kworker/u8:0+events_unbound12:35:010
3769204994843,4cyclictest3831715-21kworker/u8:1+flush-179:011:10:001
3769204994840,6cyclictest3818783-21kworker/u8:3+flush-179:010:00:011
3769204994840,6cyclictest266-21systemd-journal12:24:281
3769203994843,3cyclictest3853708-21kworker/u8:1+flush-179:012:02:290
3769203994839,6cyclictest3845479-21kworker/u8:0+flush-179:011:20:200
3769203994838,7cyclictest3842180-21store10:55:010
376920999470,40cyclictest3837026-21turbostat10:40:003
3769204994741,4cyclictest3861769-21kworker/u8:0+flush-179:012:15:261
3769204994737,8cyclictest3848686-21apt-get11:15:001
3769203994742,3cyclictest3831715-21kworker/u8:1+flush-179:010:45:200
3769203994739,7cyclictest3837265-21/usr/sbin/munin10:40:240
4577091460,13ptp4l61490irq/134-eno1-TxRx-007:10:003
3769204994638,6cyclictest3806543-21diskstats09:05:181
3769204994638,6cyclictest3806543-21diskstats09:05:181
3769204994637,7cyclictest3841491-21kworker/u8:3+events_unbound11:05:001
3769203994642,3cyclictest3806036-21kworker/u8:2+flush-179:009:30:250
3769203994640,4cyclictest3872948-21kworker/u8:1+flush-179:012:35:220
3769206994542,2cyclictest0-21swapper/208:20:592
3769203994539,5cyclictest3774886-21kworker/u8:0+flush-179:008:05:230
376920699440,1cyclictest0-21swapper/210:40:002
376920499440,3cyclictest714-21Xorg07:15:581
3769203994440,3cyclictest3778712-21sh07:40:000
3769203994438,4cyclictest3784765-21kworker/u8:2+flush-179:008:00:200
3769203994436,5cyclictest3831745-21grep10:25:000
376920699430,2cyclictest0-21swapper/207:56:592
3769203994339,3cyclictest3818783-21kworker/u8:3+flush-179:010:19:300
3769203994339,3cyclictest3818783-21kworker/u8:3+flush-179:010:19:300
3769203994337,4cyclictest3806036-21kworker/u8:2+flush-179:009:40:210
3769204994234,7cyclictest3807821-21/usr/sbin/munin09:10:231
376920499420,40cyclictest3825374-21turbostat10:09:551
376920499420,40cyclictest3794845-21cron08:30:001
3769206994130,2cyclictest0-21swapper/211:38:592
376920499416,33cyclictest3790321-21apt-get08:15:131
376920499410,39cyclictest714-21Xorg11:57:591
3769203994134,5cyclictest3788514-21kworker/u8:3+events_unbound08:20:240
3769203994131,6cyclictest0-21swapper/010:10:590
3769203994126,6cyclictest3791710-21kworker/u8:2+flush-179:008:40:200
376920399411,38cyclictest714-21Xorg07:31:590
3769209994030,1cyclictest0-21swapper/311:38:593
3769206994036,2cyclictest0-21swapper/209:23:582
376920499400,38cyclictest714-21Xorg08:07:591
3769203994034,4cyclictest3802785-21kworker/u8:1+flush-179:009:10:220
3769209993936,2cyclictest0-21swapper/309:23:583
376920999390,37cyclictest0-21swapper/312:23:593
3769206993934,3cyclictest0-21swapper/212:30:582
3769206993934,2cyclictest0-21swapper/208:07:592
3769206993929,2cyclictest0-21swapper/208:37:582
3769206993929,2cyclictest0-21swapper/208:37:582
376920699390,36cyclictest0-21swapper/212:19:542
376920699390,36cyclictest0-21swapper/210:51:592
376920699390,36cyclictest0-21swapper/210:09:552
3769204993929,8cyclictest3782366-21apt-get07:50:111
3769203993935,3cyclictest3846860-21timerandwakeup11:05:260
376920999380,37cyclictest0-21swapper/310:18:593
376920999380,37cyclictest0-21swapper/310:18:593
376920999380,1cyclictest0-21swapper/307:15:593
3769206993834,2cyclictest0-21swapper/211:29:592
3769206993834,2cyclictest0-21swapper/210:24:552
3769206993834,2cyclictest0-21swapper/210:15:592
3769206993834,2cyclictest0-21swapper/210:15:592
376920699380,36cyclictest0-21swapper/212:23:592
376920699380,35cyclictest0-21swapper/208:30:012
3769204993831,5cyclictest3764537-21kworker/u8:1+events_unbound07:40:151
376920499380,37cyclictest0-21swapper/107:26:591
3769203993832,5cyclictest3822152-21kworker/u8:0+flush-179:010:00:150
3769209993734,2cyclictest0-21swapper/312:30:593
3769209993734,2cyclictest0-21swapper/307:11:593
3769209993734,1cyclictest0-21swapper/308:08:003
376920999370,35cyclictest0-21swapper/312:19:553
376920999370,1cyclictest0-21swapper/307:35:003
3769206993734,2cyclictest0-21swapper/207:26:582
3769206993734,2cyclictest0-21swapper/207:11:592
376920699370,2cyclictest0-21swapper/207:15:592
3769204993733,3cyclictest281ktimers/108:50:141
3769204993732,4cyclictest3853708-21kworker/u8:1+events_unbound11:50:241
3769204993728,7cyclictest3827183-21/usr/sbin/munin10:10:221
376920499370,33cyclictest3842055-21apt-get10:55:021
376920499370,1cyclictest0-21swapper/108:04:001
3769203993731,4cyclictest3764537-21kworker/u8:1+events_unbound07:10:170
4577091360,28ptp4l441ktimers/309:00:143
3769209993634,1cyclictest0-21swapper/307:26:593
3769209993633,2cyclictest0-21swapper/311:29:593
3769209993633,2cyclictest0-21swapper/310:24:553
3769209993628,6cyclictest3780282-21turbostat07:45:003
376920999360,35cyclictest0-21swapper/310:51:593
376920999360,35cyclictest0-21swapper/310:09:563
3769206993633,2cyclictest0-21swapper/209:33:592
376920699360,2cyclictest0-21swapper/207:35:002
3769204993633,2cyclictest0-21swapper/109:51:581
3769204993630,4cyclictest3804376-21kworker/u8:3+flush-179:009:00:201
3769204993629,5cyclictest3869709-21kworker/u8:2+flush-179:012:10:211
3769203993631,4cyclictest3818783-21kworker/u8:3+flush-179:010:05:140
3769209993533,1cyclictest0-21swapper/311:19:593
3769209993533,1cyclictest0-21swapper/309:34:003
3769206993533,1cyclictest0-21swapper/211:19:592
3769206993531,2cyclictest0-21swapper/211:04:552
3769209993431,2cyclictest0-21swapper/311:04:553
3769206993431,2cyclictest0-21swapper/212:01:592
3769204993428,4cyclictest3790269-21latency_hist08:15:011
3769204993426,6cyclictest3831715-21kworker/u8:1+flush-179:010:25:151
376920499341,29cyclictest0-21swapper/108:20:141
3769203993431,2cyclictest0-21swapper/008:27:590
3769206993329,2cyclictest0-21swapper/208:45:002
3769206993328,2cyclictest0-21swapper/210:01:592
3769204993329,3cyclictest3773252-21needreboot07:20:201
3769209993230,1cyclictest0-21swapper/312:01:593
3769209993229,2cyclictest0-21swapper/308:45:003
376920999320,27cyclictest0-21swapper/309:50:023
3769206993229,2cyclictest0-21swapper/209:51:592
3769206993228,2cyclictest0-21swapper/208:52:582
376920699320,29cyclictest0-21swapper/211:34:272
376920699320,29cyclictest0-21swapper/210:25:022
3769204993227,4cyclictest3872948-21kworker/u8:1+flush-179:012:25:201
3769204993226,3cyclictest714-21Xorg09:37:581
3769209993128,2cyclictest0-21swapper/310:01:593
3769209993128,2cyclictest0-21swapper/308:52:583
3769209993128,2cyclictest0-21swapper/308:37:593
3769209993128,2cyclictest0-21swapper/308:37:583
376920999310,3cyclictest3864967-21turbostat11:50:003
376920999310,28cyclictest0-21swapper/311:34:263
376920999310,28cyclictest0-21swapper/310:25:023
376920999310,27cyclictest0-21swapper/310:55:033
376920699310,28cyclictest0-21swapper/211:55:142
376920699310,27cyclictest0-21swapper/211:20:122
376920699310,27cyclictest0-21swapper/210:55:022
376920699310,1cyclictest0-21swapper/211:09:592
3769204993127,3cyclictest0-21swapper/109:34:591
3769204993126,3cyclictest3799887-21apt-get08:45:131
4577091300,6ptp4l441ktimers/308:05:013
376920999300,28cyclictest0-21swapper/311:10:133
376920999300,28cyclictest0-21swapper/309:05:143
376920999300,28cyclictest0-21swapper/309:05:143
376920999300,28cyclictest0-21swapper/308:20:133
376920999300,27cyclictest0-21swapper/311:20:123
376920999300,26cyclictest0-21swapper/311:55:153
376920699300,2cyclictest0-21swapper/208:15:132
376920699300,28cyclictest0-21swapper/212:35:132
376920699300,26cyclictest0-21swapper/209:19:002
3769204993022,6cyclictest3764537-21kworker/u8:1+flush-179:007:30:201
376920999290,22cyclictest0-21swapper/308:15:123
376920999290,1cyclictest0-21swapper/311:09:593
376920699290,27cyclictest0-21swapper/211:50:142
376920699290,27cyclictest0-21swapper/211:10:132
376920699290,27cyclictest0-21swapper/210:31:592
376920699290,27cyclictest0-21swapper/209:40:132
376920699290,27cyclictest0-21swapper/209:37:592
376920699290,27cyclictest0-21swapper/209:05:152
376920699290,27cyclictest0-21swapper/209:05:142
376920699290,1cyclictest0-21swapper/212:30:002
3769204992926,2cyclictest3783951-21apt-get07:55:141
4577091280,7ptp4l441ktimers/312:15:013
4577091280,7ptp4l441ktimers/307:40:003
4577091280,6ptp4l441ktimers/308:15:013
3769209992824,2cyclictest0-21swapper/310:31:593
376920999280,27cyclictest0-21swapper/312:35:133
376920999280,27cyclictest0-21swapper/311:50:143
376920999280,27cyclictest0-21swapper/309:40:133
3769206992823,2cyclictest0-21swapper/212:10:592
376920699280,24cyclictest0-21swapper/212:06:592
231999280,4rtkit-daemon2318-21rtkit-daemon08:58:281
4577091270,7ptp4l61490irq/134-eno1-TxRx-010:45:003
4577091270,6ptp4l441ktimers/311:45:013
4577091270,6ptp4l441ktimers/310:50:003
4577091270,6ptp4l441ktimers/309:40:003
4577091270,6ptp4l441ktimers/308:30:013
4577091270,6ptp4l441ktimers/307:50:013
376920999270,26cyclictest0-21swapper/307:58:583
4577091260,6ptp4l61490irq/134-eno1-TxRx-008:50:003
4577091260,6ptp4l61490irq/134-eno1-TxRx-007:55:003
4577091260,6ptp4l441ktimers/310:00:003
376920999260,25cyclictest0-21swapper/312:06:593
376920999260,25cyclictest0-21swapper/309:18:593
3769206992623,2cyclictest0-21swapper/211:40:592
3769206992623,2cyclictest0-21swapper/207:45:122
376920499260,1cyclictest0-21swapper/112:08:591
4577091250,6ptp4l61490irq/134-eno1-TxRx-008:35:003
4577091250,6ptp4l61490irq/134-eno1-TxRx-007:25:003
3769209992521,2cyclictest0-21swapper/309:15:003
3769206992522,2cyclictest0-21swapper/208:45:132
3769206992522,2cyclictest0-21swapper/207:40:592
3769206992522,2cyclictest0-21swapper/207:35:142
3769206992521,3cyclictest0-21swapper/207:22:002
4577091240,5ptp4l441ktimers/309:49:563
4577091240,5ptp4l441ktimers/308:59:563
4577091240,4ptp4l61490irq/134-eno1-TxRx-009:29:573
3769206992421,2cyclictest0-21swapper/211:47:592
3769206992421,2cyclictest0-21swapper/209:14:592
4577091230,4ptp4l441ktimers/312:29:553
3769206992319,3cyclictest0-21swapper/210:45:592
3769206992319,2cyclictest0-21swapper/210:11:002
3769206992319,2cyclictest0-21swapper/209:04:002
231999230,14rtkit-daemon524-21gmain07:05:090
3769209992219,2cyclictest0-21swapper/310:10:593
3769206992219,2cyclictest0-21swapper/208:34:002
3769204992113,6cyclictest3837521-21ls10:40:151
376920699200,2cyclictest0-21swapper/208:10:142
3769206991916,2cyclictest0-21swapper/208:55:132
3769206991713,2cyclictest0-21swapper/210:41:592
3769206991613,2cyclictest0-21swapper/207:50:042
3769206991512,2cyclictest0-21swapper/209:47:592
3769206991512,2cyclictest0-21swapper/208:00:132
3769206991511,2cyclictest0-21swapper/209:57:592
37692069970,6cyclictest0-21swapper/209:27:592
37692069940,3cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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