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2026-02-22 - 09:59
[ 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 792 highest latencies:
System rackeslot6.osadl.org (updated Sun Feb 22, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37549249911299,9cyclictest266-21systemd-journal00:00:001
3754923999789,6cyclictest3817461-21kworker/u8:2+flush-179:022:25:000
3754923999789,6cyclictest3817461-21kworker/u8:2+flush-179:022:25:000
3754923999588,5cyclictest3754824-21kworker/u8:3+flush-179:019:25:000
3754924999286,4cyclictest3796689-21kworker/u8:4+flush-179:021:20:001
3754924999279,10cyclictest266-21systemd-journal23:25:011
3754924998273,6cyclictest3838893-21latency_hist23:30:001
3754923998171,8cyclictest3764612-21/usr/sbin/munin19:40:250
3754923997974,3cyclictest3854781-21kworker/u8:1+flush-179:000:20:010
3754924997568,5cyclictest3798322-21latency_hist21:25:011
3754923997568,5cyclictest3828220-21kworker/u8:0+flush-179:023:00:000
3754923997566,7cyclictest3793541-21latency_hist21:10:000
3754923997367,4cyclictest3762767-21latency_hist19:35:000
3754923997164,5cyclictest3798373-21kworker/u8:1+flush-179:022:10:230
3754923997058,9cyclictest266-21systemd-journal00:04:000
3754923996961,6cyclictest3809451-21latency_hist22:00:010
3754923996960,7cyclictest3823805-21apt-get22:45:010
3754923996859,7cyclictest3795125-21latency_hist21:15:020
3754923996859,6cyclictest3780581-21kworker/u8:1+flush-179:020:55:220
3754924996757,8cyclictest3832503-21/usr/sbin/munin23:10:231
3754924996640,23cyclictest3854887-21latency_hist00:20:011
3754924996557,6cyclictest3770733-21latency_hist20:00:011
3754924996542,20cyclictest3780783-21/usr/sbin/munin20:30:181
3754924996542,20cyclictest266-21systemd-journal22:45:011
3754923996556,7cyclictest3842077-21latency_hist23:40:020
3754923996556,7cyclictest3842077-21latency_hist23:40:010
3754923996358,4cyclictest3856512-21kworker/u8:3+flush-179:000:25:260
3754923996349,11cyclictest266-21systemd-journal19:30:010
3754924996247,13cyclictest266-21systemd-journal23:55:001
3754923996253,7cyclictest3754824-21kworker/u8:3+flush-179:019:20:000
3754923996155,4cyclictest3794201-21kworker/u8:2+events_unbound21:40:250
3754923996151,8cyclictest3859694-21kworker/u8:1+flush-179:000:35:230
3754923996149,10cyclictest3843653-21kworker/u8:2+flush-179:023:50:000
3754929996058,1cyclictest0-21swapper/321:38:593
3754924996052,6cyclictest3843653-21kworker/u8:2+flush-179:000:35:011
3754924995949,7cyclictest266-21systemd-journal21:40:001
3754923995954,3cyclictest3843653-21kworker/u8:2+flush-179:000:20:170
3754923995744,10cyclictest3837055-21apt-get23:25:030
3754923995647,6cyclictest3820578-21kworker/u8:0+flush-179:022:45:220
3754924995546,7cyclictest3778959-21latency_hist20:25:001
3754924995445,7cyclictest3817461-21kworker/u8:2+flush-179:022:40:001
3754924995442,10cyclictest266-21systemd-journal22:15:001
3754923995447,5cyclictest3780581-21kworker/u8:1+flush-179:020:45:210
3754923995445,6cyclictest3763021-21apt-get19:35:110
3754924995229,21cyclictest3814485-21apt-get22:15:131
375492499522,33cyclictest3827335-21cat22:55:001
3754923995246,5cyclictest3762745-21kworker/u8:2+flush-179:020:20:200
3754923995246,5cyclictest3762745-21kworker/u8:2+flush-179:020:05:010
3754923995245,5cyclictest3804946-21apt-get21:45:120
3754923995245,5cyclictest3794201-21kworker/u8:2+flush-179:021:35:170
3754924995138,11cyclictest3780581-21kworker/u8:1+flush-179:021:10:011
3754924995119,20cyclictest3772617-21apt-key20:05:011
3754923995145,4cyclictest3796689-21kworker/u8:4+events_unbound21:20:140
3754923995144,5cyclictest3848501-21kworker/u8:3+flush-179:000:10:230
3754923995144,5cyclictest3828220-21kworker/u8:0+flush-179:023:10:170
3754923995143,6cyclictest3824290-21kworker/u8:1+events_unbound23:00:020
3754926995046,2cyclictest0-21swapper/200:14:592
3754924995042,6cyclictest3820602-21latency_hist22:35:001
3754924995032,16cyclictest714-21Xorg22:57:591
3754923995044,5cyclictest3832245-21kworker/u8:1+flush-179:023:10:010
3754923995041,7cyclictest3806321-21kworker/u8:3+events_unbound21:50:240
3754923995036,12cyclictest3848469-40mandb00:00:010
4577091490,13ptp4l441ktimers/319:10:013
375492499491,4cyclictest0-21swapper/121:45:131
3754923994939,8cyclictest3812644-21latency_hist22:10:000
3754924994826,19cyclictest0-21swapper/122:25:141
3754924994810,25cyclictest0-21swapper/121:05:011
3754924994741,5cyclictest3762745-21kworker/u8:2+flush-179:020:40:231
3754924994739,6cyclictest3775998-21/usr/sbin/munin20:15:231
3754924994739,6cyclictest3775998-21/usr/sbin/munin20:15:221
3754924994710,21cyclictest3830917-21/usr/sbin/munin23:05:151
3754924994634,10cyclictest3806532-21apt-get21:50:121
375492499460,43cyclictest0-21swapper/121:05:141
375492499460,2cyclictest3789011-21apt-get20:55:131
3754923994642,3cyclictest3798373-21kworker/u8:1+flush-179:022:00:250
3754923994641,4cyclictest3824290-21kworker/u8:1+events_unbound22:50:250
3754923994640,4cyclictest3762745-21kworker/u8:2+events_unbound20:40:250
3754923994639,5cyclictest3851409-21sed00:05:240
3754923994638,6cyclictest3837048-21latency_hist23:25:010
3754924994526,16cyclictest3758262-21apt-get19:20:131
375492499452,3cyclictest3835459-21apt23:20:001
3754923994536,7cyclictest3780581-21kworker/u8:1+flush-179:020:35:200
3754924994427,15cyclictest0-21swapper/123:45:001
3754924994426,17cyclictest0-21swapper/122:45:131
375492499441,3cyclictest0-21swapper/121:25:141
375492499441,2cyclictest714-21Xorg23:34:591
375492499440,29cyclictest714-21Xorg20:26:581
375492499440,28cyclictest714-21Xorg20:13:581
3754923994439,4cyclictest3762745-21kworker/u8:2+flush-179:021:00:260
3754923994438,4cyclictest3774430-21apt-get20:10:110
3754926994340,2cyclictest0-21swapper/223:21:582
375492699430,41cyclictest0-21swapper/222:52:592
375492499430,2cyclictest3828827-21apt-get23:00:031
3754923994340,2cyclictest3762744-21kworker/u8:0+events_unbound19:55:010
3754923994337,5cyclictest3734947-21kworker/u8:0+flush-179:019:13:300
3754924994236,4cyclictest3734947-21kworker/u8:0+flush-179:019:10:141
3754924994226,14cyclictest3772843-21apt-get20:05:121
375492499421,9cyclictest3841262-21irqstats23:35:191
375492499421,9cyclictest3841262-21irqstats23:35:191
375492499420,40cyclictest3803107-21turbostat21:44:551
375492499420,1cyclictest0-21swapper/119:40:141
3754923994235,5cyclictest3762744-21kworker/u8:0+flush-179:019:55:150
3754923994232,6cyclictest0-21swapper/021:16:590
3754929994139,1cyclictest0-21swapper/321:54:553
3754926994138,2cyclictest0-21swapper/200:28:002
375492499410,39cyclictest3809458-21turbostat22:04:551
3754923994134,5cyclictest3815795-21kworker/u8:3+events_unbound22:30:230
3754924994031,7cyclictest3848416-21kworker/u8:0+flush-179:000:40:001
3754923994035,4cyclictest3794201-21kworker/u8:2+flush-179:021:25:260
375492399400,38cyclictest714-21Xorg22:36:590
3754924993934,3cyclictest3812682-21systemd-run22:10:001
375492499390,37cyclictest714-21Xorg00:29:001
3754929993832,4cyclictest3791969-21turbostat21:05:003
3754924993835,2cyclictest0-21swapper/119:49:591
3754924993823,14cyclictest0-21swapper/120:37:591
3754924993817,19cyclictest3764112-21ls19:35:251
3754923993834,3cyclictest3762745-21kworker/u8:2+flush-179:020:31:290
3754923993833,4cyclictest3762744-21kworker/u8:0+events_unbound20:05:240
3754923993829,7cyclictest266-21systemd-journal20:30:000
3754923993827,8cyclictest3835440-21latency_hist23:20:000
3754926993735,1cyclictest0-21swapper/220:04:592
3754926993735,1cyclictest0-21swapper/200:37:582
3754926993734,2cyclictest0-21swapper/200:17:582
375492699370,35cyclictest0-21swapper/222:18:592
375492699370,35cyclictest0-21swapper/219:47:592
3754924993727,8cyclictest266-21systemd-journal19:55:001
375492499372,32cyclictest3853280-21latency_hist00:15:011
375492499370,4cyclictest3809684-21latency_hist22:00:011
3754923993732,4cyclictest3856512-21kworker/u8:3+flush-179:000:30:240
3754923993732,4cyclictest3794201-21kworker/u8:2+events_unbound21:30:210
3754923993729,6cyclictest3817461-21kworker/u8:2+flush-179:022:25:210
375492399372,31cyclictest3787426-21apt-get20:50:120
375492999360,35cyclictest0-21swapper/323:16:593
3754926993633,2cyclictest0-21swapper/222:47:592
3754926993633,2cyclictest0-21swapper/222:24:562
3754926993633,2cyclictest0-21swapper/222:24:562
3754924993633,2cyclictest0-21swapper/120:52:591
3754924993625,8cyclictest3856483-21ls00:25:001
3754923993631,4cyclictest3828220-21kworker/u8:0+flush-179:023:40:220
3754923993627,7cyclictest3828220-21kworker/u8:0+flush-179:023:30:220
375492999350,1cyclictest0-21swapper/300:26:593
3754926993533,1cyclictest0-21swapper/221:59:592
3754926993532,2cyclictest0-21swapper/219:54:562
3754924993532,2cyclictest3762764-21cron19:34:591
3754929993432,1cyclictest0-21swapper/322:59:583
3754926993431,2cyclictest0-21swapper/222:55:592
3754926993431,2cyclictest0-21swapper/222:01:592
3754924993429,3cyclictest484-21dbus-daemon00:04:001
3754924993411,21cyclictest3801209-21cat21:30:241
3754923993427,5cyclictest3762745-21kworker/u8:2+flush-179:020:15:210
3754923993427,5cyclictest3762745-21kworker/u8:2+flush-179:020:15:200
3754926993330,2cyclictest0-21swapper/223:46:002
3754926993330,2cyclictest0-21swapper/220:56:592
3754924993329,2cyclictest714-21Xorg22:23:591
3754924993329,2cyclictest714-21Xorg22:23:591
3754924993315,17cyclictest0-21swapper/120:45:241
375492499331,30cyclictest3850365-21apt-get00:05:141
3754923993328,4cyclictest3762745-21kworker/u8:2+flush-179:019:45:170
3754923993324,7cyclictest3815831-21latency_hist22:20:010
3754929993230,1cyclictest0-21swapper/322:29:553
3754926993229,2cyclictest0-21swapper/222:06:592
3754926993229,2cyclictest0-21swapper/220:15:592
3754926993229,2cyclictest0-21swapper/220:15:592
375492699320,30cyclictest0-21swapper/223:32:002
3754924993213,16cyclictest0-21swapper/123:50:011
3754924993210,20cyclictest3757753-21cat19:15:241
3754923993229,2cyclictest714-21Xorg23:50:590
4577091310,11ptp4l61490irq/134-eno1-TxRx-021:20:003
3754929993129,1cyclictest0-21swapper/322:34:553
3754929993129,1cyclictest0-21swapper/319:27:593
375492699310,2cyclictest0-21swapper/220:51:592
3754924993113,17cyclictest0-21swapper/119:25:181
3754929993028,1cyclictest0-21swapper/319:23:593
375492999300,28cyclictest0-21swapper/321:10:133
3754926993027,2cyclictest0-21swapper/223:25:022
3754926993027,2cyclictest0-21swapper/220:05:122
3754926993027,1cyclictest351rcuc/219:58:582
375492699300,28cyclictest0-21swapper/200:05:142
375492699300,27cyclictest0-21swapper/221:40:002
4577091290,4ptp4l441ktimers/321:49:553
3754929992927,1cyclictest0-21swapper/320:55:143
3754929992927,1cyclictest0-21swapper/320:17:003
3754929992927,1cyclictest0-21swapper/320:16:593
3754929992926,2cyclictest0-21swapper/320:25:123
3754929992923,5cyclictest3823798-21turbostat22:49:563
3754929992923,5cyclictest3804709-21turbostat21:45:003
375492999290,2cyclictest3811065-21turbostat22:05:003
375492999290,27cyclictest0-21swapper/319:50:123
3754926992926,2cyclictest0-21swapper/223:10:142
3754926992925,2cyclictest0-21swapper/221:40:152
375492699290,27cyclictest0-21swapper/223:50:122
375492699290,27cyclictest0-21swapper/223:38:592
375492699290,27cyclictest0-21swapper/223:38:582
375492699290,27cyclictest0-21swapper/222:25:122
375492699290,27cyclictest0-21swapper/222:10:142
375492699290,27cyclictest0-21swapper/221:45:132
375492699290,27cyclictest0-21swapper/221:05:122
375492699290,26cyclictest0-21swapper/200:02:592
375492499297,17cyclictest3754816-1kworker/1:3H+mmc_complete19:10:021
3754929992826,1cyclictest0-21swapper/322:17:593
3754929992826,1cyclictest0-21swapper/320:40:033
3754929992825,2cyclictest0-21swapper/323:00:013
3754929992823,4cyclictest3756413-21turbostat19:15:013
375492999280,2cyclictest0-21swapper/323:25:023
375492999280,27cyclictest3837056-21turbostat23:25:003
375492999280,27cyclictest0-21swapper/300:30:143
375492999280,27cyclictest0-21swapper/300:20:133
375492999280,27cyclictest0-21swapper/300:03:593
375492999280,26cyclictest0-21swapper/323:45:133
375492999280,26cyclictest0-21swapper/323:40:133
375492999280,26cyclictest0-21swapper/322:50:133
375492999280,26cyclictest0-21swapper/321:20:133
3754926992825,2cyclictest0-21swapper/223:08:592
3754926992825,2cyclictest0-21swapper/221:10:132
3754926992825,2cyclictest0-21swapper/220:10:132
3754926992825,2cyclictest0-21swapper/219:26:592
3754926992825,2cyclictest0-21swapper/219:12:022
3754926992824,2cyclictest0-21swapper/221:29:552
375492699280,2cyclictest0-21swapper/223:00:022
3754929992725,1cyclictest0-21swapper/322:10:143
3754929992722,4cyclictest3823798-21turbostat22:45:013
375492999270,26cyclictest0-21swapper/319:18:593
3754926992724,2cyclictest0-21swapper/219:40:132
375492699270,24cyclictest0-21swapper/220:50:002
4577091260,4ptp4l441ktimers/323:15:013
4577091260,4ptp4l441ktimers/321:35:013
4577091260,4ptp4l441ktimers/320:35:003
4577091260,4ptp4l441ktimers/320:10:013
4577091260,4ptp4l441ktimers/319:45:023
4577091260,0ptp4l67-21kworker/3:1+events20:10:123
3754929992624,1cyclictest0-21swapper/320:02:003
375492999260,1cyclictest0-21swapper/319:44:583
3754926992623,2cyclictest0-21swapper/223:55:582
3754926992623,2cyclictest0-21swapper/200:20:592
375492699260,2cyclictest0-21swapper/223:20:002
375492699260,2cyclictest0-21swapper/219:38:002
375492699260,24cyclictest0-21swapper/221:21:592
4577091250,5ptp4l61490irq/134-eno1-TxRx-021:30:003
4577091250,4ptp4l61490irq/134-eno1-TxRx-020:50:003
4577091250,4ptp4l441ktimers/323:40:013
4577091250,4ptp4l441ktimers/323:40:003
4577091250,4ptp4l441ktimers/323:10:013
4577091250,4ptp4l441ktimers/322:00:003
4577091250,4ptp4l441ktimers/320:55:003
4577091250,4ptp4l441ktimers/319:40:003
4577091250,4ptp4l441ktimers/300:15:013
3754929992523,1cyclictest3854882-21turbostat00:20:013
3754929992523,1cyclictest0-21swapper/300:05:133
375492999250,2cyclictest0-21swapper/319:33:003
375492999250,24cyclictest0-21swapper/320:24:593
375492999250,1cyclictest0-21swapper/319:55:593
375492999250,18cyclictest0-21swapper/323:32:003
3754926992522,2cyclictest0-21swapper/221:34:552
3754926992522,2cyclictest0-21swapper/221:15:592
3754926992522,2cyclictest0-21swapper/220:33:592
375492699250,1cyclictest0-21swapper/220:25:002
4577091240,4ptp4l61490irq/134-eno1-TxRx-022:25:003
4577091240,4ptp4l61490irq/134-eno1-TxRx-022:24:593
4577091240,4ptp4l61490irq/134-eno1-TxRx-020:39:563
4577091240,4ptp4l61490irq/134-eno1-TxRx-000:00:013
4577091240,4ptp4l441ktimers/322:39:563
4577091240,4ptp4l441ktimers/300:39:563
3754926992421,2cyclictest0-21swapper/220:38:592
4577091230,4ptp4l61490irq/134-eno1-TxRx-023:55:003
4577091230,4ptp4l61490irq/134-eno1-TxRx-021:09:553
3754926992320,2cyclictest0-21swapper/219:15:142
3754926992320,1cyclictest0-21swapper/200:32:582
4577091220,3ptp4l61490irq/134-eno1-TxRx-022:09:553
3754926992119,1cyclictest0-21swapper/223:44:002
3754926992118,2cyclictest0-21swapper/222:40:152
3754926992017,2cyclictest0-21swapper/221:52:002
231999200,12rtkit-daemon524-21gmain19:06:330
3754926991917,1cyclictest0-21swapper/220:26:582
3754926991916,2cyclictest0-21swapper/222:39:592
3754926991815,2cyclictest351rcuc/219:20:052
3754926991411,2cyclictest351rcuc/220:41:372
375492699128,3cyclictest351rcuc/219:30:062
375492699118,2cyclictest351rcuc/222:34:292
375492699118,2cyclictest351rcuc/221:02:442
37549269941,2cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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