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2026-02-21 - 08:18
[ 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 Sat Feb 21, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9526609911691,22cyclictest266-21systemd-journal19:49:590
9526649910893,11cyclictest266-21systemd-journal22:35:011
9526609910794,10cyclictest955906-21apt-get19:20:010
9526649910398,4cyclictest999601-21kworker/u8:1+flush-179:022:00:011
9526609910090,7cyclictest995372-21latency_hist21:20:010
952664999786,8cyclictest1009966-21latency_hist22:05:011
952664999781,15cyclictest954336-21kworker/u8:2+flush-179:019:30:001
952664998979,4cyclictest1037042-21kworker/u8:3+events_unbound23:45:011
952664998881,5cyclictest1029720-21kworker/u8:0+events_unbound23:30:001
952660998677,7cyclictest990851-21/usr/sbin/munin21:05:230
952664998580,4cyclictest1003576-21kworker/u8:0+events_unbound21:50:231
952660998374,7cyclictest988489-21apt-get20:59:590
952664998269,4cyclictest950970-21kworker/u8:1+events_unbound19:15:231
952664998075,4cyclictest985296-21kworker/u8:1+events_unbound21:10:231
952664997973,5cyclictest1050308-21kworker/u8:2+flush-179:000:35:011
952664997871,6cyclictest1011584-21kworker/u8:2+flush-179:023:40:001
952664997763,5cyclictest1011584-21kworker/u8:2+events_unbound22:40:221
952660997763,11cyclictest266-21systemd-journal23:35:000
952664997668,6cyclictest999601-21kworker/u8:1+events_unbound22:10:141
952664997571,3cyclictest939335-21kworker/u8:0+events_unbound19:35:241
952660997465,7cyclictest975552-21kworker/u8:0+flush-179:020:35:010
952660997465,7cyclictest266-21systemd-journal22:25:010
952664997366,5cyclictest957789-21kworker/u8:3+events_unbound19:55:201
952664997365,6cyclictest999601-21kworker/u8:1+events_unbound22:20:181
952664997266,5cyclictest975552-21kworker/u8:0+events_unbound21:00:151
952664997265,5cyclictest1029720-21kworker/u8:0+flush-179:023:05:201
952664997258,4cyclictest954336-21kworker/u8:2+flush-179:019:30:151
952660997265,5cyclictest952440-21apt-get19:10:040
952660997263,7cyclictest983730-21latency_hist20:45:000
952660997263,6cyclictest1051902-21latency_hist00:15:010
952664997164,6cyclictest1011584-21kworker/u8:2+events_unbound22:45:221
952660997162,6cyclictest975510-21latency_hist20:20:010
952664997065,4cyclictest1014785-21kworker/u8:0+events_unbound22:25:231
952664997065,4cyclictest1011584-21kworker/u8:2+events_unbound23:15:191
952664997062,6cyclictest1050308-21kworker/u8:2+events_unbound00:25:181
952660997064,5cyclictest981608-21kworker/u8:1+flush-179:020:35:220
952664996962,5cyclictest1043610-21kworker/u8:1+events_unbound00:15:131
952664996857,9cyclictest1047096-40mandb00:00:001
952664996760,5cyclictest957789-21kworker/u8:3+events_unbound19:40:241
952664996661,4cyclictest954336-21kworker/u8:2+events_unbound19:20:231
952664996660,5cyclictest975552-21kworker/u8:0+events_unbound21:25:221
952660996663,2cyclictest0-21swapper/021:29:590
952660996657,7cyclictest266-21systemd-journal21:00:010
952664996561,3cyclictest992233-21kworker/u8:3+flush-179:021:35:211
952664996558,5cyclictest954336-21kworker/u8:2+flush-179:020:25:221
952664996555,8cyclictest266-21systemd-journal22:07:291
952660996560,4cyclictest1011584-21kworker/u8:2+flush-179:022:35:230
952664996456,6cyclictest957789-21kworker/u8:3+events_unbound20:10:191
952664996455,7cyclictest1011584-21kworker/u8:2+events_unbound22:35:141
952660996458,4cyclictest1050361-21kworker/u8:3+flush-179:000:20:000
952664996358,4cyclictest975552-21kworker/u8:0+flush-179:020:55:241
952664996358,4cyclictest957789-21kworker/u8:3+flush-179:020:20:001
952664996358,4cyclictest957789-21kworker/u8:3+flush-179:019:45:201
952664996355,7cyclictest1047143-21kworker/u8:0+events_unbound00:00:201
952660996356,5cyclictest1011584-21kworker/u8:2+flush-179:023:20:200
952660996350,9cyclictest1019535-21true22:35:000
952664996256,4cyclictest975552-21kworker/u8:0+flush-179:021:15:161
952664996255,5cyclictest1011584-21kworker/u8:2+events_unbound23:20:131
952660996256,4cyclictest992233-21kworker/u8:3+flush-179:021:55:210
952660996256,4cyclictest1037042-21kworker/u8:3+events_unbound23:45:230
952660996252,8cyclictest1011804-21apt-get22:10:100
952664996153,7cyclictest954336-21kworker/u8:2+flush-179:020:00:251
952660996152,6cyclictest973910-21latency_hist20:15:010
952664996055,3cyclictest992233-21kworker/u8:3+flush-179:021:30:151
952660996053,5cyclictest957789-21kworker/u8:3+flush-179:019:40:210
952664995954,4cyclictest1037042-21kworker/u8:3+events_unbound23:50:131
952664995953,4cyclictest975552-21kworker/u8:0+events_unbound21:20:211
952660995853,4cyclictest957789-21kworker/u8:3+flush-179:019:54:550
952660995852,4cyclictest1043610-21kworker/u8:1+flush-179:000:00:240
952660995848,8cyclictest995647-21apt-get21:20:120
952664995753,3cyclictest981608-21kworker/u8:1+flush-179:020:39:541
952664995753,3cyclictest1056671-21kworker/u8:3+flush-179:000:35:161
952664995752,4cyclictest1043610-21kworker/u8:1+events_unbound00:05:171
952664995549,5cyclictest975552-21kworker/u8:0+flush-179:020:25:011
952660995551,2cyclictest714-21Xorg22:58:000
952660995550,4cyclictest1029720-21kworker/u8:0+flush-179:023:10:240
952660995549,4cyclictest1003576-21kworker/u8:0+events_unbound21:50:010
952664995449,4cyclictest992233-21kworker/u8:3+events_unbound21:40:181
952664995449,4cyclictest957789-21kworker/u8:3+events_unbound19:50:191
952664995443,9cyclictest990796-21cat21:05:011
952660995449,4cyclictest1011584-21kworker/u8:2+flush-179:023:00:150
952660995448,4cyclictest1043610-21kworker/u8:1+flush-179:000:05:140
952660995446,7cyclictest1050308-21kworker/u8:2+flush-179:000:20:220
952660995442,10cyclictest266-21systemd-journal00:30:000
952664995348,4cyclictest1037042-21kworker/u8:3+events_unbound23:45:161
952664995246,5cyclictest975552-21kworker/u8:0+events_unbound20:45:261
952664995246,5cyclictest1011584-21kworker/u8:2+flush-179:023:30:211
952660995246,5cyclictest985296-21kworker/u8:1+flush-179:020:55:010
952660995245,5cyclictest1022949-21apt-get22:45:110
952665995148,2cyclictest0-21swapper/221:05:002
952664995146,4cyclictest957789-21kworker/u8:3+events_unbound20:05:251
952664995141,6cyclictest1021152-21kworker/u8:1+flush-179:023:00:001
952660995145,4cyclictest954336-21kworker/u8:2+flush-179:019:30:210
952664995045,4cyclictest985296-21kworker/u8:1+events_unbound20:50:191
952664995045,4cyclictest934564-21kworker/u8:3+flush-179:019:10:211
952660995043,6cyclictest1011584-21kworker/u8:2+flush-179:023:10:000
952660995042,6cyclictest975757-21/usr/sbin/munin20:20:160
952660995041,7cyclictest1002252-21/usr/sbin/munin21:40:230
952664994944,4cyclictest978676-21kworker/u8:3+events_unbound20:40:211
952664994944,4cyclictest1011584-21kworker/u8:2+events_unbound23:00:191
4577091490,12ptp4l441ktimers/319:09:553
952660994840,6cyclictest958010-21apt-get19:25:100
952660994838,8cyclictest266-21systemd-journal21:35:000
952660994742,4cyclictest1011584-21kworker/u8:2+flush-179:022:40:200
952660994739,6cyclictest1016565-21/usr/sbin/munin22:25:150
952664994622,9cyclictest266-21systemd-journal20:31:301
952660994641,4cyclictest992233-21kworker/u8:3+flush-179:022:00:210
952660994640,5cyclictest957789-21kworker/u8:3+events_unbound19:55:240
952660994640,4cyclictest985296-21kworker/u8:1+flush-179:021:10:160
952664994541,3cyclictest1050308-21kworker/u8:2+flush-179:000:20:211
952660994541,3cyclictest1037042-21kworker/u8:3+flush-179:023:40:160
952664994439,4cyclictest1003576-21kworker/u8:0+flush-179:021:45:151
952660994436,6cyclictest266-21systemd-journal23:39:550
95266099441,2cyclictest714-21Xorg22:17:590
952660994337,5cyclictest1056671-21kworker/u8:3+events_unbound00:35:210
952664994237,4cyclictest1050308-21kworker/u8:2+flush-179:000:10:161
952660994237,4cyclictest985296-21kworker/u8:1+flush-179:020:50:010
952660994236,5cyclictest950970-21kworker/u8:1+flush-179:019:20:160
952660994232,8cyclictest1010218-21apt-get22:05:100
952664994137,3cyclictest1029720-21kworker/u8:0+flush-179:023:10:211
952660994137,2cyclictest191rcuc/021:50:220
95266099411,3cyclictest714-21Xorg23:52:590
95266899400,38cyclictest998570-21turbostat21:30:003
952664994034,5cyclictest1021152-21kworker/u8:1+events_unbound22:51:241
952660994036,2cyclictest714-21Xorg23:18:000
952660994034,5cyclictest939335-21kworker/u8:0+events_unbound19:35:020
952660993934,4cyclictest1043681-21kworker/u8:2+flush-179:023:55:210
952660993931,6cyclictest970740-21latency_hist20:05:010
952668993835,2cyclictest0-21swapper/321:04:593
952660993831,5cyclictest1000405-21apt-get21:35:110
952665993735,1cyclictest0-21swapper/220:54:592
952665993734,2cyclictest0-21swapper/223:46:592
952665993733,2cyclictest0-21swapper/222:19:592
952664993731,4cyclictest1014742-21munin-run22:20:001
952668993634,1cyclictest0-21swapper/322:28:593
952668993634,1cyclictest0-21swapper/321:35:003
952668993633,2cyclictest0-21swapper/300:33:593
95266899360,35cyclictest0-21swapper/320:22:593
95266899360,35cyclictest0-21swapper/320:19:553
95266599360,1cyclictest0-21swapper/223:20:592
95266599360,1cyclictest0-21swapper/223:13:592
952660993632,3cyclictest954336-21kworker/u8:2+flush-179:020:25:210
4577091360,6ptp4l441ktimers/319:50:003
952668993533,1cyclictest0-21swapper/320:00:593
952668993532,2cyclictest0-21swapper/322:14:593
95266899350,1cyclictest0-21swapper/319:39:553
95266899350,1cyclictest0-21swapper/300:05:593
952665993532,2cyclictest0-21swapper/220:17:592
952665993531,2cyclictest0-21swapper/222:22:582
952660993524,9cyclictest1025877-21awk22:55:000
952668993432,1cyclictest0-21swapper/321:59:593
952668993432,1cyclictest0-21swapper/300:35:593
952668993431,2cyclictest0-21swapper/321:15:583
952665993431,2cyclictest0-21swapper/220:46:582
952665993430,2cyclictest0-21swapper/223:41:002
952665993430,2cyclictest0-21swapper/219:11:592
952660993429,4cyclictest957789-21kworker/u8:3+flush-179:020:05:160
952668993330,2cyclictest0-21swapper/323:30:593
952668993330,2cyclictest0-21swapper/300:27:593
952665993330,2cyclictest0-21swapper/200:39:592
952665993329,2cyclictest0-21swapper/200:30:592
952665993329,2cyclictest0-21swapper/200:29:592
952660993327,4cyclictest1056938-21apt-get00:30:140
4577091330,5ptp4l61490irq/134-eno1-TxRx-023:40:003
952668993230,1cyclictest0-21swapper/322:35:583
952668993230,1cyclictest0-21swapper/300:03:583
952665993228,2cyclictest0-21swapper/219:28:592
952660993227,4cyclictest1029720-21kworker/u8:0+flush-179:023:29:550
952660993226,4cyclictest952790-21apt-key19:10:020
952668993129,1cyclictest0-21swapper/323:16:003
952668993129,1cyclictest0-21swapper/319:29:593
952668993128,2cyclictest0-21swapper/321:44:563
95266899310,27cyclictest0-21swapper/322:15:103
952665993128,2cyclictest0-21swapper/200:14:552
95266599310,29cyclictest0-21swapper/221:15:132
952668993028,1cyclictest0-21swapper/320:55:583
95266899300,27cyclictest0-21swapper/323:45:023
95266899300,26cyclictest0-21swapper/320:10:123
952665993027,2cyclictest0-21swapper/223:36:592
952665993027,2cyclictest0-21swapper/222:34:592
952665993027,2cyclictest0-21swapper/200:00:132
952665993025,2cyclictest0-21swapper/222:05:122
95266599300,28cyclictest0-21swapper/223:15:122
95266599300,28cyclictest0-21swapper/223:10:012
4577091300,5ptp4l441ktimers/300:14:563
952668992927,1cyclictest0-21swapper/319:12:593
95266899290,27cyclictest0-21swapper/323:50:123
95266899290,27cyclictest0-21swapper/319:55:133
95266899290,27cyclictest0-21swapper/319:20:133
95266899290,26cyclictest0-21swapper/321:05:033
952665992926,2cyclictest0-21swapper/222:54:592
952665992926,2cyclictest0-21swapper/222:44:592
952665992926,2cyclictest0-21swapper/221:10:122
952665992926,2cyclictest0-21swapper/220:32:592
952665992926,2cyclictest0-21swapper/220:10:112
952665992925,2cyclictest0-21swapper/221:30:132
95266599290,27cyclictest0-21swapper/221:40:022
95266599290,27cyclictest0-21swapper/221:05:022
95266599290,27cyclictest0-21swapper/220:40:132
95266599290,27cyclictest0-21swapper/220:35:122
95266599290,27cyclictest0-21swapper/219:30:592
95266599290,27cyclictest0-21swapper/200:00:012
952668992826,1cyclictest4577091ptp4l20:45:173
952668992826,1cyclictest0-21swapper/323:13:593
952668992825,2cyclictest0-21swapper/320:40:123
952668992825,1cyclictest0-21swapper/322:45:123
95266899280,27cyclictest0-21swapper/320:35:123
95266899280,26cyclictest0-21swapper/321:20:133
952665992825,2cyclictest0-21swapper/223:50:122
952665992825,2cyclictest0-21swapper/221:20:122
952665992825,2cyclictest0-21swapper/219:35:022
95266599280,2cyclictest0-21swapper/223:30:132
95266599280,2cyclictest0-21swapper/222:45:132
95266599280,2cyclictest0-21swapper/222:37:582
95266599280,2cyclictest0-21swapper/200:20:132
95266599280,26cyclictest0-21swapper/219:59:592
4577091280,7ptp4l61490irq/134-eno1-TxRx-019:55:013
4577091280,7ptp4l441ktimers/323:10:003
4577091280,6ptp4l441ktimers/321:50:013
4577091280,6ptp4l441ktimers/320:10:003
952668992726,1cyclictest0-21swapper/323:20:583
952668992724,2cyclictest0-21swapper/321:54:543
95266899270,26cyclictest0-21swapper/322:22:593
95266899270,1cyclictest0-21swapper/321:10:123
952665992724,2cyclictest0-21swapper/221:57:582
4577091270,6ptp4l61490irq/134-eno1-TxRx-020:30:013
4577091270,6ptp4l61490irq/134-eno1-TxRx-019:34:563
4577091270,6ptp4l61490irq/134-eno1-TxRx-000:00:003
4577091270,6ptp4l441ktimers/300:25:003
4577091270,5ptp4l61490irq/134-eno1-TxRx-022:05:013
4577091270,5ptp4l61490irq/134-eno1-TxRx-000:20:003
95266899260,24cyclictest0-21swapper/323:00:123
952665992623,2cyclictest0-21swapper/223:25:592
952665992623,2cyclictest0-21swapper/219:20:022
952665992622,2cyclictest0-21swapper/220:29:592
952665992622,2cyclictest0-21swapper/220:02:592
95266599260,24cyclictest0-21swapper/221:38:592
95266599260,24cyclictest0-21swapper/221:29:542
4577091260,5ptp4l61490irq/134-eno1-TxRx-022:44:563
4577091260,5ptp4l441ktimers/319:19:563
4577091260,4ptp4l61490irq/134-eno1-TxRx-022:35:013
4577091260,4ptp4l441ktimers/323:30:003
4577091260,4ptp4l441ktimers/322:10:023
952668992523,1cyclictest0-21swapper/323:44:553
952668992523,1cyclictest0-21swapper/319:40:123
952665992523,1cyclictest0-21swapper/222:30:002
952665992522,2cyclictest0-21swapper/219:45:122
95266599250,2cyclictest0-21swapper/220:20:592
95266599250,24cyclictest0-21swapper/219:15:542
4577091250,5ptp4l441ktimers/322:54:553
4577091250,4ptp4l61490irq/134-eno1-TxRx-020:34:563
4577091250,4ptp4l441ktimers/323:00:023
4577091250,4ptp4l441ktimers/320:55:013
952668992421,2cyclictest1001756-21turbostat21:40:003
952664992318,4cyclictest952748-21wc19:10:021
952665992218,2cyclictest0-21swapper/200:15:592
952665992119,1cyclictest0-21swapper/223:04:592
952665992119,1cyclictest0-21swapper/219:55:002
952665992118,2cyclictest0-21swapper/222:03:592
952665992118,2cyclictest0-21swapper/221:47:002
952665992017,2cyclictest0-21swapper/222:11:592
952665992017,2cyclictest0-21swapper/221:51:002
952665991815,2cyclictest0-21swapper/222:58:592
952665991714,2cyclictest0-21swapper/220:06:592
952665991714,2cyclictest0-21swapper/200:09:552
952665991613,2cyclictest0-21swapper/220:55:132
952665991613,2cyclictest0-21swapper/219:44:562
9526659930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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