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2026-01-17 - 13:02
[ 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 Sat Jan 17, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36883569910395,6cyclictest3743460-21apt-get22:00:031
36883569910395,5cyclictest3701311-21latency_hist19:50:001
3688356999990,6cyclictest3762861-21latency_hist23:00:021
3688355999584,8cyclictest3704509-21latency_hist20:00:020
3688355999580,11cyclictest266-21systemd-journal21:20:010
3688355999181,7cyclictest3689906-21latency_hist19:15:010
3688356999080,8cyclictest3734147-21/usr/sbin/munin21:30:231
3688356998983,4cyclictest3722282-21kworker/u8:3+flush-179:021:40:001
3688356998676,8cyclictest3737340-21/usr/sbin/munin21:40:211
3688355998272,7cyclictest3691496-21latency_hist19:20:000
3688355998067,10cyclictest510-21rs:main0
3688355998049,17cyclictest3696790-21apt-get19:35:110
3688356997972,5cyclictest3738721-21kworker/u8:0+events_unbound21:50:001
3688356997972,5cyclictest3738721-21kworker/u8:0+events_unbound21:50:001
3688355997969,7cyclictest3753314-21latency_hist22:30:010
3688355997966,10cyclictest266-21systemd-journal22:44:590
3688356997871,5cyclictest3714344-21kworker/u8:2+flush-179:020:40:171
3688355997669,5cyclictest3779277-21kworker/u8:2+events_unbound00:04:000
3688356997569,4cyclictest3769733-21kworker/u8:1+events_unbound23:40:141
3688356997565,7cyclictest3723848-21latency_hist21:00:011
3688356997565,7cyclictest3723848-21latency_hist21:00:011
3688355997463,8cyclictest3782507-40mandb00:00:010
3688356997367,5cyclictest3767084-21kworker/u8:2+flush-179:023:15:151
3688356997367,4cyclictest3721325-21kworker/u8:1+flush-179:021:05:161
3688356997165,4cyclictest3746973-21kworker/u8:2+flush-179:022:10:151
3688356997165,4cyclictest3746973-21kworker/u8:2+flush-179:022:10:151
3688356997164,5cyclictest3714344-21kworker/u8:2+flush-179:020:50:001
3688356997161,7cyclictest3782537-21kworker/u8:0+flush-179:000:20:001
3688356997160,8cyclictest3693232-21store19:25:001
3688356996958,8cyclictest3710851-21latency_hist20:20:011
3688355996952,15cyclictest3771339-21apt-get23:25:130
3688356996862,5cyclictest3746973-21kworker/u8:2+events_unbound22:39:591
3688356996658,5cyclictest3769735-21/usr/sbin/munin23:20:241
368835699661,62cyclictest3767608-21kworker/1:0+events23:50:241
3688355996655,8cyclictest3735496-21latency_hist21:35:010
3688356996559,4cyclictest3769733-21kworker/u8:1+flush-179:000:00:231
3688356996559,4cyclictest3722282-21kworker/u8:3+events_unbound21:00:231
3688355996556,7cyclictest3794492-21diskstats00:35:150
3688356996455,7cyclictest3698125-21latency_hist19:40:021
3688356996357,4cyclictest3689887-21kworker/u8:0+events_unbound19:15:231
3688356996156,3cyclictest3741893-21kworker/u8:1+events_unbound22:50:131
3688356996149,9cyclictest3767627-21latency_hist23:15:011
3688356996144,7cyclictest3790502-21kworker/u8:2+events_unbound00:35:231
3688355996153,6cyclictest3698397-21apt-get19:40:110
3688359996057,2cyclictest0-21swapper/223:09:592
3688356995954,4cyclictest3746973-21kworker/u8:2+events_unbound22:20:001
3688356995954,3cyclictest3756766-21kworker/u8:0+events_unbound23:00:241
3688356995954,3cyclictest3756766-21kworker/u8:0+events_unbound23:00:241
3688356995953,5cyclictest3699771-21kworker/u8:1+flush-179:019:59:551
3688356995951,5cyclictest3714344-21kworker/u8:2+events_unbound20:35:221
3688356995844,11cyclictest3793696-21apt-get00:35:011
3688356995752,4cyclictest3721325-21kworker/u8:1+flush-179:020:55:001
3688356995750,5cyclictest3710818-21kworker/u8:1+flush-179:020:20:201
3688355995749,6cyclictest3773189-21kworker/u8:0+flush-179:023:30:190
3688355995650,4cyclictest3746973-21kworker/u8:2+flush-179:022:55:010
3688355995647,6cyclictest3793691-21latency_hist00:35:010
3688355995644,8cyclictest3693116-21apt-get19:25:010
3688355995643,10cyclictest3733654-21apt-get21:30:000
3688356995550,4cyclictest3756766-21kworker/u8:0+events_unbound23:05:191
3688356995550,4cyclictest3710818-21kworker/u8:1+flush-179:020:29:551
3688356995546,6cyclictest3733781-21store21:30:011
3688356995545,8cyclictest3742113-21apt-get21:55:111
3688355995450,2cyclictest3769733-21kworker/u8:1+events_unbound23:35:250
3688356995242,7cyclictest266-21systemd-journal00:00:011
3688355995245,5cyclictest3717485-21latency_hist20:40:010
3688355995244,6cyclictest3743469-21latency_hist22:00:010
3688356995145,5cyclictest3769733-21kworker/u8:1+flush-179:000:20:151
3688355995140,8cyclictest3756766-21kworker/u8:0+events_unbound23:15:030
3688355995126,21cyclictest0-21swapper/023:05:110
3688356995042,6cyclictest3721325-21kworker/u8:1+flush-179:021:20:211
3688356995042,6cyclictest3721325-21kworker/u8:1+flush-179:021:20:211
3688355995047,2cyclictest3722282-21kworker/u8:3+events_unbound21:55:010
3688355995040,8cyclictest3790755-21/usr/sbin/munin00:25:220
4577091490,14ptp4l61490irq/134-eno1-TxRx-019:10:013
3688355994938,9cyclictest266-21systemd-journal23:54:590
3688356994840,6cyclictest3771118-21kworker/u8:3+flush-179:023:30:001
3688356994839,6cyclictest3779277-21kworker/u8:2+events_unbound00:05:201
3688355994827,19cyclictest0-21swapper/021:40:110
3688359994744,2cyclictest0-21swapper/200:22:592
3688356994743,3cyclictest3721325-21kworker/u8:1+flush-179:021:15:231
3688356994741,4cyclictest3689939-21kworker/u8:3+events_unbound19:40:181
3688356994740,5cyclictest3756766-21kworker/u8:0+flush-179:022:40:231
3688355994740,5cyclictest3710854-21apt-get20:20:020
3688355994731,14cyclictest3750141-21turbostat22:24:550
368835599471,44cyclictest3779309-21perf23:50:010
3688356994541,3cyclictest3689887-21kworker/u8:0+flush-179:019:30:161
3688356994539,5cyclictest3773189-21kworker/u8:0+flush-179:023:35:181
3688355994525,18cyclictest3695149-21latency_hist19:30:010
368835599450,43cyclictest714-21Xorg21:23:590
368835599450,43cyclictest714-21Xorg21:23:580
368836099440,41cyclictest0-21swapper/321:23:593
368836099440,41cyclictest0-21swapper/321:23:583
3688356994438,4cyclictest3715886-21latency_hist20:35:011
3688356994435,6cyclictest3722282-21kworker/u8:3+flush-179:021:10:201
3688355994439,3cyclictest484-21dbus-daemon20:50:010
3688355994435,7cyclictest3758332-21/usr/sbin/munin22:45:220
3688355994426,15cyclictest0-21swapper/020:30:130
368835599441,2cyclictest3722503-21apt-get20:55:130
368835599441,2cyclictest3722503-21apt-get20:55:130
368836099430,39cyclictest3767637-21turbostat23:15:003
3688356994339,3cyclictest3699771-21kworker/u8:1+flush-179:019:54:561
3688356994338,4cyclictest3746973-21kworker/u8:2+flush-179:022:30:011
3688355994320,3cyclictest3770941-21grep23:20:250
368835999420,1cyclictest0-21swapper/222:42:592
3688356994233,7cyclictest3782537-21kworker/u8:0+flush-179:000:30:011
368835599421,39cyclictest3767629-21munin-run23:14:590
368836099410,39cyclictest3689915-21turbostat19:15:003
368836099410,38cyclictest3715894-21turbostat20:34:593
368835699411,38cyclictest714-21Xorg22:22:001
3688355994139,1cyclictest0-21swapper/020:54:550
3688355994126,13cyclictest714-21Xorg22:18:590
3688355994117,8cyclictest3701548-21/usr/sbin/munin19:50:220
368835599410,5cyclictest3735512-21turbostat21:39:550
3688360994034,5cyclictest3771096-21turbostat23:25:013
368836099400,38cyclictest3782489-21turbostat00:00:003
3688356994033,5cyclictest3769733-21kworker/u8:1+flush-179:023:50:001
3688355994036,3cyclictest3779277-21kworker/u8:2+flush-179:000:05:250
3688355994033,5cyclictest3790502-21kworker/u8:2+flush-179:000:25:010
3688360993933,5cyclictest3756504-21turbostat22:40:003
3688360993933,5cyclictest0-21swapper/319:24:553
368836099390,38cyclictest3788924-21turbostat00:20:003
3688356993933,4cyclictest3741893-21kworker/u8:1+events_unbound22:30:241
368835699390,38cyclictest3740281-21turbostat21:54:551
3688355993932,5cyclictest3738698-21turbostat21:49:560
3688355993932,5cyclictest3738698-21turbostat21:49:560
3688355993924,1cyclictest0-21swapper/022:58:590
3688360993835,2cyclictest0-21swapper/320:54:553
3688360993832,5cyclictest3730209-21turbostat21:20:003
3688359993835,2cyclictest0-21swapper/219:34:002
368835999380,36cyclictest0-21swapper/222:15:592
368835999380,36cyclictest0-21swapper/219:27:592
3688355993833,3cyclictest3744329-21fschecks_time22:00:160
3688355993818,6cyclictest3788921-21latency_hist00:20:010
3688360993734,2cyclictest0-21swapper/322:29:593
3688360993733,3cyclictest3795546-21turbostat00:40:003
368836099370,36cyclictest0-21swapper/319:42:593
368835999370,2cyclictest0-21swapper/220:06:002
368835699373,32cyclictest3693616-21apt-get19:25:121
3688356993730,5cyclictest3696521-21kworker/u8:2+flush-179:020:00:131
3688355993734,2cyclictest0-21swapper/020:01:000
3688355993731,4cyclictest3714425-21latency_hist20:30:010
3688355993729,6cyclictest3746897-21apt-get22:06:470
3688355993727,9cyclictest714-21Xorg19:31:590
3688360993634,1cyclictest0-21swapper/322:44:583
368836099360,35cyclictest0-21swapper/323:37:583
368836099360,35cyclictest0-21swapper/323:09:553
3688359993634,1cyclictest0-21swapper/222:25:002
368835999360,1cyclictest0-21swapper/221:50:592
3688355993633,2cyclictest0-21swapper/019:46:590
3688355993630,5cyclictest3776119-21turbostat23:44:550
3688360993533,1cyclictest0-21swapper/320:07:593
3688360993533,1cyclictest0-21swapper/320:04:003
3688360993532,2cyclictest0-21swapper/320:29:553
3688359993532,2cyclictest0-21swapper/222:37:592
3688359993532,2cyclictest0-21swapper/220:58:002
3688359993532,2cyclictest0-21swapper/220:57:592
3688359993532,2cyclictest0-21swapper/200:05:592
3688356993532,2cyclictest3774526-21munin-run23:35:001
3688356993531,3cyclictest3707909-21kworker/u8:3+flush-179:020:14:561
3688356993531,2cyclictest714-21Xorg22:45:591
3688356993528,5cyclictest3707672-21latency_hist20:10:001
3688356993526,5cyclictest0-21swapper/122:09:591
3688355993533,1cyclictest0-21swapper/000:14:550
3688355993530,4cyclictest3719202-21latency_hist20:45:010
3688359993431,2cyclictest0-21swapper/220:47:592
3688359993431,2cyclictest0-21swapper/219:59:552
3688360993327,5cyclictest0-21swapper/322:24:553
3688359993331,1cyclictest0-21swapper/220:20:002
3688359993330,2cyclictest0-21swapper/223:37:582
3688355993330,2cyclictest714-21Xorg21:11:590
3688355993329,2cyclictest0-21swapper/022:36:000
368835599332,29cyclictest3753571-21apt-get22:30:140
3688360993230,1cyclictest0-21swapper/320:24:553
3688359993230,1cyclictest0-21swapper/200:19:592
3688359993229,2cyclictest0-21swapper/222:27:592
3688355993226,5cyclictest3741893-21kworker/u8:1+flush-179:022:10:210
3688355993226,5cyclictest3741893-21kworker/u8:1+flush-179:022:10:210
3688360993129,1cyclictest0-21swapper/319:46:593
3688360993129,1cyclictest0-21swapper/300:14:553
3688360993128,2cyclictest0-21swapper/300:29:553
368836099310,21cyclictest0-21swapper/322:30:143
3688356993126,4cyclictest2426-10pipewire-media-00:10:211
4577091300,8ptp4l441ktimers/321:29:553
3688360993028,1cyclictest0-21swapper/321:49:563
3688360993028,1cyclictest0-21swapper/321:49:563
3688360993023,6cyclictest0-21swapper/321:40:113
368836099300,28cyclictest0-21swapper/320:45:123
368836099300,26cyclictest0-21swapper/321:30:023
368836099300,26cyclictest0-21swapper/300:20:123
368836099300,1cyclictest0-21swapper/320:55:143
368836099300,1cyclictest0-21swapper/320:55:133
3688359993027,2cyclictest0-21swapper/200:10:102
368835999300,28cyclictest0-21swapper/221:13:592
3688356993024,4cyclictest3688249-21kworker/u8:1+flush-179:019:10:201
3688355993027,2cyclictest3706343-21apt-get20:05:120
3688355993026,2cyclictest714-21Xorg20:14:590
3688355993024,4cyclictest3763664-21kernelversion23:00:190
3688355993024,4cyclictest3763664-21kernelversion23:00:180
4577091290,7ptp4l441ktimers/323:54:593
4577091290,7ptp4l441ktimers/323:34:593
4577091290,7ptp4l441ktimers/323:05:003
4577091290,7ptp4l441ktimers/323:04:593
4577091290,7ptp4l441ktimers/320:20:013
4577091290,6ptp4l441ktimers/320:15:003
3688360992927,1cyclictest0-21swapper/319:35:133
3688360992926,2cyclictest0-21swapper/323:44:553
3688360992922,6cyclictest0-21swapper/322:18:593
368836099290,27cyclictest0-21swapper/323:45:133
3688359992926,2cyclictest0-21swapper/223:55:122
3688359992926,2cyclictest0-21swapper/223:50:132
368835999290,28cyclictest0-21swapper/223:40:112
368835999290,28cyclictest0-21swapper/221:30:012
368835999290,27cyclictest0-21swapper/223:15:032
368835999290,27cyclictest0-21swapper/221:20:022
368835999290,27cyclictest0-21swapper/221:20:022
368835999290,27cyclictest0-21swapper/220:50:122
368835999290,27cyclictest0-21swapper/220:00:112
368835999290,27cyclictest0-21swapper/200:35:032
3688355992926,2cyclictest0-21swapper/021:07:590
4577091280,7ptp4l61490irq/134-eno1-TxRx-022:00:003
4577091280,7ptp4l61490irq/134-eno1-TxRx-019:30:023
4577091280,6ptp4l441ktimers/323:20:003
4577091280,6ptp4l441ktimers/322:59:563
4577091280,6ptp4l441ktimers/322:50:013
4577091280,6ptp4l441ktimers/322:05:013
3688360992826,1cyclictest0-21swapper/322:05:103
3688360992826,1cyclictest0-21swapper/321:14:593
368836099280,26cyclictest0-21swapper/322:10:123
368836099280,26cyclictest0-21swapper/322:10:113
368836099280,26cyclictest0-21swapper/300:30:113
3688359992826,1cyclictest0-21swapper/220:20:012
3688359992825,2cyclictest0-21swapper/223:13:592
3688359992825,2cyclictest0-21swapper/200:30:112
368835999280,27cyclictest0-21swapper/219:15:122
368835999280,26cyclictest0-21swapper/221:45:102
368835999280,26cyclictest0-21swapper/221:45:102
3688355992819,7cyclictest266-21systemd-journal20:17:010
4577091270,7ptp4l61490irq/134-eno1-TxRx-021:40:003
4577091270,6ptp4l61490irq/134-eno1-TxRx-021:55:003
4577091270,6ptp4l61490irq/134-eno1-TxRx-019:35:003
4577091270,6ptp4l441ktimers/321:04:563
4577091270,6ptp4l441ktimers/300:09:563
4577091270,6ptp4l441ktimers/300:04:563
3688360992725,1cyclictest0-21swapper/320:35:133
368836099270,24cyclictest0-21swapper/319:56:583
3688359992724,2cyclictest0-21swapper/223:26:592
3688359992724,2cyclictest0-21swapper/222:54:552
368835999270,2cyclictest0-21swapper/222:04:552
368835999270,1cyclictest0-21swapper/223:30:042
368835999270,1cyclictest0-21swapper/221:05:122
4577091260,5ptp4l441ktimers/323:29:563
4577091260,5ptp4l441ktimers/319:54:553
368835999260,2cyclictest0-21swapper/223:20:592
368835999260,2cyclictest0-21swapper/221:01:592
368835999260,2cyclictest0-21swapper/219:11:002
368835999260,24cyclictest0-21swapper/222:55:592
368835999260,24cyclictest0-21swapper/221:18:592
368835999260,24cyclictest0-21swapper/220:10:582
368835999260,24cyclictest0-21swapper/219:51:592
4577091250,5ptp4l441ktimers/320:44:553
368836099250,2cyclictest0-21swapper/322:51:593
368836099250,24cyclictest0-21swapper/319:17:593
3688359992522,2cyclictest0-21swapper/221:35:592
3688359992522,2cyclictest0-21swapper/220:42:002
3688359992522,2cyclictest0-21swapper/219:43:582
368835999250,2cyclictest0-21swapper/222:30:582
368835999250,2cyclictest0-21swapper/221:55:592
368835999250,24cyclictest0-21swapper/219:20:112
3688360992422,1cyclictest0-21swapper/321:07:593
3688359992420,2cyclictest0-21swapper/220:28:592
3688359992320,2cyclictest0-21swapper/221:40:592
3688359992320,2cyclictest0-21swapper/219:46:002
3688359992220,1cyclictest0-21swapper/223:46:002
3688359992118,2cyclictest0-21swapper/223:00:592
3688359992118,2cyclictest0-21swapper/223:00:582
3688359992118,2cyclictest0-21swapper/220:33:592
3688359992118,2cyclictest0-21swapper/200:25:592
3688359992018,1cyclictest0-21swapper/220:39:582
3688359991815,2cyclictest0-21swapper/221:28:592
3688359991815,2cyclictest0-21swapper/200:02:002
231999180,9rtkit-daemon3203871-21ntpd19:05:171
368835599178,7cyclictest3688383-21cat19:10:020
3688359991412,1cyclictest0-21swapper/222:45:582
368835999107,2cyclictest0-21swapper/222:07:592
36883599997,1cyclictest0-21swapper/222:13:592
36883599997,1cyclictest0-21swapper/222:13:582
36883599985,2cyclictest0-21swapper/219:38:032
36883599930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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