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2026-02-06 - 12:55
[ 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 Fri Feb 06, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95722399114103,8cyclictest1030123-21latency_hist23:00:011
95722199112101,8cyclictest1002533-21latency_hist21:30:000
95722199108100,6cyclictest1042885-21kworker/u8:3+flush-179:000:00:000
9572239910393,7cyclictest1007313-21latency_hist21:45:011
957221999181,7cyclictest1023474-21latency_hist22:35:010
957223998577,6cyclictest981146-21kworker/u8:1+flush-179:020:25:251
957221998476,6cyclictest1055904-21latency_hist00:20:010
957221998476,6cyclictest1015500-21kworker/u8:2+flush-179:022:20:000
957223998071,7cyclictest1027165-21/usr/sbin/munin22:50:241
957221997970,6cyclictest1005709-21latency_hist21:40:010
957223997767,7cyclictest1015500-21kworker/u8:2+flush-179:022:40:001
957223997665,8cyclictest266-21systemd-journal00:05:001
957223997663,10cyclictest266-21systemd-journal21:40:001
957221997566,7cyclictest1049470-21/usr/sbin/munin00:00:230
957221997266,4cyclictest1005739-21kworker/u8:4+flush-179:021:50:250
957221997061,7cyclictest973588-21latency_hist20:00:000
957221996962,5cyclictest996203-21kworker/u8:0+flush-179:022:10:000
957221996960,7cyclictest999600-21/usr/sbin/munin21:20:240
957223996850,16cyclictest1005739-21kworker/u8:4+flush-179:021:50:011
957221996863,4cyclictest1015500-21kworker/u8:2+events_unbound22:10:190
957223996762,3cyclictest983478-21kworker/u8:3+events_unbound21:20:201
957221996761,4cyclictest1034924-21kworker/u8:0+flush-179:023:25:140
957221996759,6cyclictest1008897-21latency_hist21:50:010
957221996758,7cyclictest1054339-21kworker/u8:1+events_unbound00:30:010
957223996658,6cyclictest991391-21latency_hist20:55:021
957223996657,7cyclictest1044436-21latency_hist23:45:011
957223996651,12cyclictest973606-21apt-get20:00:011
957221996663,2cyclictest0-21swapper/022:57:590
957221996558,5cyclictest1054339-21kworker/u8:1+flush-179:000:35:190
957223996456,6cyclictest1054294-21latency_hist00:15:021
957223996354,7cyclictest1031706-21latency_hist23:05:011
957221996259,2cyclictest0-21swapper/023:19:590
957221996257,4cyclictest983478-21kworker/u8:3+flush-179:020:45:220
957223996157,3cyclictest1012584-21kworker/u8:1+events_unbound22:27:261
957223996154,5cyclictest971855-21store19:55:001
957223996152,7cyclictest1015521-21latency_hist22:10:011
957221996156,3cyclictest1042885-21kworker/u8:3+flush-179:000:05:140
957221996052,6cyclictest993236-21/usr/sbin/munin21:00:230
957221996052,5cyclictest996203-21kworker/u8:0+flush-179:021:55:220
957223995955,3cyclictest960307-21kworker/u8:1+events_unbound19:37:031
957221995956,2cyclictest0-21swapper/023:33:590
957221995850,6cyclictest981857-21latency_hist20:25:010
957221995753,3cyclictest996203-21kworker/u8:0+flush-179:021:30:240
957221995748,7cyclictest187081-21kworker/u8:0+events_unbound19:20:230
957223995652,3cyclictest1003918-21kworker/u8:1+events_unbound21:34:111
957223995646,7cyclictest970398-21kworker/u8:0+flush-179:020:05:011
957223995550,4cyclictest986668-21kworker/u8:1+events_unbound21:06:101
957221995551,3cyclictest960307-21kworker/u8:1+flush-179:020:00:170
957221995549,4cyclictest1031686-21kworker/u8:1+flush-179:023:25:010
957223995349,3cyclictest990043-21kworker/u8:2+events_unbound21:12:111
957223995349,3cyclictest1042885-21kworker/u8:3+events_unbound00:15:101
957223995345,6cyclictest988221-21latency_hist20:45:001
957223995344,7cyclictest1031686-21kworker/u8:1+flush-179:023:30:221
957221995349,3cyclictest974089-21kworker/u8:2+flush-179:020:10:140
957223995248,3cyclictest983270-21kworker/u8:0+events_unbound20:34:101
957221995245,5cyclictest1028534-21kworker/u8:3+flush-179:023:00:210
957223995147,3cyclictest960307-21kworker/u8:1+events_unbound20:07:051
957223995147,3cyclictest1042885-21kworker/u8:3+events_unbound00:04:131
957223995146,4cyclictest983270-21kworker/u8:0+events_unbound20:45:091
957221995144,5cyclictest1034924-21kworker/u8:0+flush-179:023:50:010
957221995143,6cyclictest1033275-21kworker/u8:2+flush-179:023:10:200
957221995141,8cyclictest982113-21apt-get20:25:130
957221994942,5cyclictest974089-21kworker/u8:2+flush-179:020:35:000
957221994939,7cyclictest266-21systemd-journal20:19:590
957223994840,6cyclictest960307-21kworker/u8:1+flush-179:019:34:591
957223994840,6cyclictest1034877-21latency_hist23:15:011
957223994840,6cyclictest1012584-21kworker/u8:1+flush-179:022:15:251
957221994843,4cyclictest1012584-21kworker/u8:1+events_unbound22:20:230
957221994840,6cyclictest510-21rs:main0
4577091480,13ptp4l61490irq/134-eno1-TxRx-019:10:013
957223994742,4cyclictest996203-21kworker/u8:0+events_unbound22:10:021
957223994742,4cyclictest1012584-21kworker/u8:1+events_unbound22:00:271
957223994739,6cyclictest1046258-21/usr/sbin/munin23:50:221
957221994741,4cyclictest983478-21kworker/u8:3+flush-179:020:35:240
957221994741,4cyclictest983478-21kworker/u8:3+flush-179:020:35:230
957221994738,7cyclictest964033-21apt-get19:30:120
957221994733,5cyclictest1034924-21kworker/u8:0+flush-179:023:45:010
95722799460,2cyclictest0-21swapper/221:42:002
957223994644,1cyclictest0-21swapper/121:28:001
957223994641,4cyclictest960307-21kworker/u8:1+events_unbound19:20:281
957221994641,4cyclictest990043-21kworker/u8:2+flush-179:020:55:160
957221994641,4cyclictest1042885-21kworker/u8:3+flush-179:000:10:250
957221994641,3cyclictest1012584-21kworker/u8:1+flush-179:022:25:230
957221994634,10cyclictest266-21systemd-journal19:45:000
957227994540,2cyclictest0-21swapper/221:27:592
957223994540,4cyclictest0-21swapper/120:40:001
957223994540,4cyclictest0-21swapper/120:39:591
95722399450,44cyclictest0-21swapper/123:07:591
95722399450,44cyclictest0-21swapper/123:07:591
957221994538,5cyclictest975526-21kworker/u8:4+flush-179:020:10:010
957221994537,6cyclictest1005739-21kworker/u8:4+flush-179:021:40:150
957227994441,2cyclictest0-21swapper/223:07:592
957227994441,2cyclictest0-21swapper/223:07:592
95722399440,43cyclictest714-21Xorg00:28:581
957221994440,3cyclictest1042885-21kworker/u8:3+flush-179:000:25:000
957221994439,4cyclictest990043-21kworker/u8:2+events_unbound20:50:240
957221994437,5cyclictest187081-21kworker/u8:0+flush-179:019:20:010
957221994433,9cyclictest266-21systemd-journal00:31:080
957229994341,1cyclictest0-21swapper/323:07:593
957229994341,1cyclictest0-21swapper/323:07:593
957223994339,3cyclictest978695-21kworker/u8:0+events_unbound20:17:011
957223994339,3cyclictest714-21Xorg21:02:581
957223994334,8cyclictest980526-21apt-get20:20:141
957221994338,4cyclictest983478-21kworker/u8:3+flush-179:021:15:170
957221994338,4cyclictest1019822-21kworker/u8:0+events_unbound22:35:240
957221994337,4cyclictest990043-21kworker/u8:2+events_unbound21:10:230
957229994240,1cyclictest0-21swapper/321:27:593
95722799420,36cyclictest0-21swapper/223:46:592
957223994232,8cyclictest1012073-21apt-get22:00:001
957221994235,5cyclictest960307-21kworker/u8:1+events_unbound19:35:120
957221994235,5cyclictest1047642-21systemd-run23:55:010
957229994138,2cyclictest0-21swapper/300:34:593
95722999410,5cyclictest1012085-21turbostat22:00:003
957227994139,1cyclictest0-21swapper/200:35:002
95722199411,38cyclictest970144-21munin-run19:50:010
95722199411,38cyclictest1033305-21idleruntime-cro23:10:000
95722199411,38cyclictest1033305-21idleruntime-cro23:10:000
95722999400,37cyclictest0-21swapper/322:32:593
95722799400,36cyclictest0-21swapper/223:31:592
95722799400,36cyclictest0-21swapper/222:32:592
957223994036,2cyclictest0-21swapper/122:42:001
957223994035,3cyclictest714-21Xorg21:53:591
957223994035,3cyclictest714-21Xorg00:39:001
95722399401,2cyclictest714-21Xorg23:46:591
957221994031,5cyclictest0-21swapper/020:41:000
957229993936,2cyclictest0-21swapper/320:40:003
957229993936,2cyclictest0-21swapper/320:39:593
95722999390,37cyclictest960338-21turbostat19:24:553
95722999390,37cyclictest1041245-21turbostat23:39:543
95722999390,37cyclictest0-21swapper/323:46:593
95722799390,36cyclictest0-21swapper/220:39:552
95722799390,36cyclictest0-21swapper/220:39:552
95722799390,35cyclictest0-21swapper/219:34:592
95722799390,34cyclictest0-21swapper/222:44:592
957223993935,2cyclictest0-21swapper/123:27:591
95722399390,2cyclictest714-21Xorg22:32:591
957221993934,4cyclictest963820-21kworker/u8:3+flush-179:019:50:220
95722999380,35cyclictest0-21swapper/319:34:593
95722999380,1cyclictest0-21swapper/321:04:583
957223993834,3cyclictest974089-21kworker/u8:2+events_unbound20:12:111
957223993834,3cyclictest1034924-21kworker/u8:0+events_unbound23:35:591
957223993832,3cyclictest714-21Xorg23:18:591
957223993830,5cyclictest0-21swapper/119:15:591
95722999370,2cyclictest0-21swapper/321:41:593
95722999370,1cyclictest0-21swapper/322:44:593
957227993734,2cyclictest0-21swapper/221:02:592
957227993734,2cyclictest0-21swapper/219:38:592
95722799370,1cyclictest0-21swapper/221:14:592
957223993732,3cyclictest714-21Xorg19:47:001
957221993731,4cyclictest1034924-21kworker/u8:0+events_unbound23:35:140
95722199370,1cyclictest0-21swapper/019:25:590
4578291370,35phc2sys0-21swapper/320:02:593
957229993634,1cyclictest0-21swapper/321:49:593
957229993633,2cyclictest0-21swapper/320:08:593
957229993633,2cyclictest0-21swapper/319:38:593
957229993632,2cyclictest0-21swapper/300:09:553
95722999360,35cyclictest0-21swapper/323:31:593
95722999360,35cyclictest0-21swapper/322:39:553
957227993634,1cyclictest0-21swapper/219:24:592
957227993632,2cyclictest0-21swapper/220:08:582
957227993632,2cyclictest0-21swapper/200:09:552
957223993631,4cyclictest187081-21kworker/u8:0+events_unbound19:29:001
957223993617,17cyclictest0-21swapper/100:00:011
95722999350,1cyclictest0-21swapper/321:14:593
957227993532,2cyclictest0-21swapper/200:38:592
957227993531,2cyclictest0-21swapper/223:27:592
957221993530,4cyclictest986668-21kworker/u8:1+flush-179:021:05:210
4577091350,3ptp4l441ktimers/320:45:133
957229993432,1cyclictest0-21swapper/300:39:003
957229993428,3cyclictest0-21swapper/323:00:593
95722799340,2cyclictest0-21swapper/220:21:582
957223993429,4cyclictest1054339-21kworker/u8:1+events_unbound00:33:131
957223993429,4cyclictest1042885-21kworker/u8:3+events_unbound00:22:311
957223993427,5cyclictest0-21swapper/121:15:131
95722399340,3cyclictest714-21Xorg22:24:591
957221993432,1cyclictest0-21swapper/022:44:550
957221993428,4cyclictest957409-21apt-get19:10:120
95722999330,29cyclictest0-21swapper/321:50:153
957227993330,2cyclictest0-21swapper/221:53:592
95722799330,30cyclictest0-21swapper/223:01:592
95722799330,29cyclictest0-21swapper/222:24:592
957223993329,3cyclictest963820-21kworker/u8:3+events_unbound19:42:501
957229993230,1cyclictest0-21swapper/323:27:593
957229993229,2cyclictest0-21swapper/320:25:003
957227993228,2cyclictest0-21swapper/200:25:592
95722799320,2cyclictest0-21swapper/223:50:592
95722799320,2cyclictest0-21swapper/219:40:132
957223993225,5cyclictest714-21Xorg19:10:591
957229993130,1cyclictest0-21swapper/319:55:593
957229993127,2cyclictest0-21swapper/300:25:593
957227993128,2cyclictest0-21swapper/219:46:592
957223993127,3cyclictest986668-21kworker/u8:1+events_unbound20:59:001
957223993127,3cyclictest1031686-21kworker/u8:1+events_unbound23:21:541
95722399310,28cyclictest714-21Xorg22:45:591
957221993128,2cyclictest0-21swapper/022:45:590
957229993027,2cyclictest0-21swapper/323:18:593
95722999300,29cyclictest0-21swapper/322:24:593
95722999300,28cyclictest0-21swapper/321:20:133
95722999300,28cyclictest0-21swapper/300:10:163
957227993027,2cyclictest0-21swapper/221:20:142
957227993026,2cyclictest0-21swapper/223:18:592
95722799300,28cyclictest0-21swapper/222:25:142
95722799300,28cyclictest0-21swapper/221:15:132
95722799300,27cyclictest0-21swapper/221:05:142
957221993026,3cyclictest1015500-21kworker/u8:2+flush-179:022:50:220
957229992927,1cyclictest0-21swapper/319:47:003
957229992926,2cyclictest0-21swapper/319:28:003
957229992925,2cyclictest0-21swapper/322:05:133
95722999290,2cyclictest0-21swapper/319:50:113
95722999290,27cyclictest0-21swapper/321:05:133
95722999290,26cyclictest0-21swapper/322:54:593
95722999290,1cyclictest0-21swapper/323:50:593
957227992926,2cyclictest0-21swapper/219:50:112
957227992926,2cyclictest0-21swapper/219:27:592
957227992926,1cyclictest0-21swapper/223:44:592
957227992924,3cyclictest0-21swapper/221:46:582
95722799290,2cyclictest0-21swapper/221:32:592
95722799290,27cyclictest0-21swapper/221:36:592
95722799290,27cyclictest0-21swapper/219:55:032
95722799290,26cyclictest0-21swapper/222:57:592
95722799290,26cyclictest0-21swapper/222:54:592
957223992923,4cyclictest957355-21latency_hist19:10:021
957229992826,1cyclictest0-21swapper/323:44:593
957229992826,1cyclictest0-21swapper/323:22:593
957229992825,2cyclictest0-21swapper/321:15:143
957229992823,2cyclictest1018705-21turbostat22:20:003
95722999280,26cyclictest0-21swapper/322:25:143
95722999280,26cyclictest0-21swapper/319:40:123
957227992825,2cyclictest0-21swapper/223:22:592
957227992825,2cyclictest0-21swapper/222:05:132
957227992825,2cyclictest0-21swapper/220:45:002
957227992825,2cyclictest0-21swapper/200:01:582
957227992824,2cyclictest0-21swapper/200:17:592
95722799280,2cyclictest0-21swapper/220:48:592
95722799280,26cyclictest0-21swapper/219:15:102
95722799280,26cyclictest0-21swapper/200:10:162
4577091280,6ptp4l441ktimers/320:30:013
4577091280,6ptp4l441ktimers/319:20:013
957229992725,1cyclictest0-21swapper/320:45:003
957229992725,1cyclictest0-21swapper/300:01:593
95722999270,26cyclictest0-21swapper/323:59:583
95722999270,25cyclictest0-21swapper/322:57:593
95722999270,24cyclictest0-21swapper/319:10:223
957227992724,2cyclictest0-21swapper/222:48:592
957227992723,2cyclictest0-21swapper/220:26:592
95722799270,25cyclictest0-21swapper/222:35:142
95722799270,24cyclictest0-21swapper/219:10:152
4577091270,6ptp4l61490irq/134-eno1-TxRx-020:14:593
4577091270,6ptp4l441ktimers/322:04:553
4577091270,6ptp4l441ktimers/320:20:003
4577091270,5ptp4l441ktimers/321:35:003
957229992624,1cyclictest0-21swapper/322:48:593
957229992622,2cyclictest0-21swapper/320:57:003
95722999260,25cyclictest0-21swapper/321:37:003
957227992624,1cyclictest0-21swapper/222:20:002
957227992623,2cyclictest0-21swapper/222:13:582
95722799260,24cyclictest0-21swapper/223:59:592
4577091260,6ptp4l61490irq/134-eno1-TxRx-020:55:003
4577091260,6ptp4l61490irq/134-eno1-TxRx-000:20:003
957227992522,2cyclictest0-21swapper/223:35:592
957227992522,2cyclictest0-21swapper/200:22:592
957227992521,2cyclictest0-21swapper/222:00:582
957227992521,2cyclictest0-21swapper/220:02:582
95722799250,2cyclictest0-21swapper/220:16:002
4577091250,3ptp4l441ktimers/320:35:003
957229992422,1cyclictest0-21swapper/322:13:593
957229992422,1cyclictest0-21swapper/300:23:003
957227992422,1cyclictest0-21swapper/220:56:592
4577091240,4ptp4l441ktimers/323:15:003
957227992219,2cyclictest0-21swapper/223:11:592
957227992217,3cyclictest0-21swapper/221:58:592
957227991714,2cyclictest0-21swapper/220:10:142
957221991512,2cyclictest0-21swapper/019:10:010
95722799107,2cyclictest351rcuc/220:54:552
95722799107,2cyclictest0-21swapper/220:33:592
9572279930,2cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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