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2026-01-27 - 00:07
[ 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 Mon Jan 26, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
943372999581,11cyclictest266-21systemd-journal09:45:010
943372999473,18cyclictest1019729-21/usr/sbin/munin11:05:230
943372999384,7cyclictest962983-21latency_hist08:10:010
943372999384,7cyclictest962983-21latency_hist08:10:000
943372999080,7cyclictest1044100-21latency_hist12:20:020
943372999080,7cyclictest1044100-21latency_hist12:20:010
943375998376,5cyclictest951296-21latency_hist07:35:011
943372998272,7cyclictest1009908-21kworker/u8:0+flush-179:011:33:080
943375998075,4cyclictest1019138-21kworker/u8:3+flush-179:011:30:001
943375997866,9cyclictest266-21systemd-journal11:32:591
943372997871,5cyclictest952866-21kworker/u8:1+events_unbound08:00:020
943372997871,5cyclictest952866-21kworker/u8:1+events_unbound08:00:020
943375997667,7cyclictest974394-21latency_hist08:45:011
943375997667,6cyclictest1009672-21latency_hist10:35:011
943375997568,5cyclictest948119-21latency_hist07:25:001
943372997566,7cyclictest981024-21latency_hist09:05:010
943375997165,5cyclictest952866-21kworker/u8:1+flush-179:007:45:241
943375997164,5cyclictest1000364-21/usr/sbin/munin10:05:241
943372997161,8cyclictest1016533-21/usr/sbin/munin10:55:210
943372996963,4cyclictest982642-21kworker/u8:0+flush-179:009:25:260
943375996862,4cyclictest1014457-21apt-get10:50:031
943375996860,6cyclictest1000127-21latency_hist10:05:011
943372996861,5cyclictest970920-21kworker/u8:3+flush-179:009:10:010
943372996861,5cyclictest1024273-21latency_hist11:20:010
943372996855,10cyclictest1004898-21latency_hist10:20:000
943375996660,5cyclictest950746-21kworker/u8:2+flush-179:007:35:211
943375996659,5cyclictest1035872-21latency_hist11:55:021
943375996656,8cyclictest266-21systemd-journal09:50:011
943375996559,4cyclictest1042529-21kworker/u8:1+flush-179:012:25:181
943375996555,8cyclictest510-21rs:main1
943375996457,5cyclictest1019138-21kworker/u8:3+flush-179:011:15:171
943375996253,7cyclictest966417-21/usr/sbin/munin08:20:241
94338099610,1cyclictest0-21swapper/309:06:593
943372996051,6cyclictest266-21systemd-journal09:23:520
943372995950,7cyclictest976238-21latency_hist08:50:010
943372995945,12cyclictest266-21systemd-journal11:40:490
943375995853,4cyclictest982642-21kworker/u8:0+flush-179:009:20:241
943375995853,4cyclictest1034321-21kworker/u8:0+flush-179:012:15:011
943375995850,4cyclictest1019138-21kworker/u8:3+flush-179:011:35:191
943372995850,6cyclictest998775-21/usr/sbin/munin10:00:240
943375995751,4cyclictest1009927-21apt-get10:35:121
943372995748,7cyclictest971741-21diskstats08:35:170
943372995747,8cyclictest957938-21apt-get07:55:110
943372995747,8cyclictest943594-21apt-get07:10:100
943375995647,7cyclictest940346-21kworker/u8:0+events_unbound07:10:121
943372995650,4cyclictest1042529-21kworker/u8:1+events_unbound12:30:010
943375995543,10cyclictest266-21systemd-journal11:50:011
943375995542,10cyclictest266-21systemd-journal12:05:001
943372995548,6cyclictest940346-21kworker/u8:0+flush-179:007:20:000
943375995445,6cyclictest1042529-21kworker/u8:1+flush-179:012:35:201
943375995443,7cyclictest1040880-21kworker/u8:2+flush-179:012:15:191
943375995443,7cyclictest1040880-21kworker/u8:2+flush-179:012:15:191
943372995448,5cyclictest979378-21kworker/u8:1+flush-179:009:30:140
943375995346,5cyclictest960217-21kworker/u8:2+flush-179:008:15:201
943375995344,7cyclictest979378-21kworker/u8:1+flush-179:009:20:011
943375995246,4cyclictest994428-21kworker/u8:1+flush-179:010:15:221
943375995244,6cyclictest970920-21kworker/u8:3+events_unbound09:10:241
943375995244,6cyclictest1042529-21kworker/u8:1+flush-179:012:35:001
943375995244,6cyclictest1014448-21latency_hist10:50:001
943372995246,4cyclictest957919-21kworker/u8:0+events_unbound08:30:010
943372995241,9cyclictest266-21systemd-journal07:30:000
943376995148,2cyclictest0-21swapper/207:39:592
943375995145,4cyclictest937285-21kworker/u8:3+flush-179:007:15:211
943375995145,4cyclictest1042529-21kworker/u8:1+flush-179:012:20:181
943375995145,4cyclictest1009908-21kworker/u8:0+flush-179:011:20:261
943375995142,7cyclictest1006496-21latency_hist10:25:011
943372995145,4cyclictest266-21systemd-journal11:00:430
943372995143,6cyclictest1031162-21kworker/u8:1+events_unbound11:55:030
943372995142,6cyclictest982863-21apt-get09:10:120
943375995044,4cyclictest957919-21kworker/u8:0+flush-179:008:30:521
943375995042,6cyclictest988843-21kworker/u8:2+flush-179:009:35:201
943375995037,10cyclictest266-21systemd-journal09:35:001
943375994943,4cyclictest952893-21kworker/u8:3+events_unbound07:50:261
943375994939,7cyclictest266-21systemd-journal08:55:531
4577091490,13ptp4l441ktimers/307:10:003
943372994843,4cyclictest960217-21kworker/u8:2+flush-179:008:10:230
943372994840,6cyclictest943291-21latency_hist07:10:010
94338099470,3cyclictest969357-21turbostat08:30:003
943375994743,3cyclictest970920-21kworker/u8:3+flush-179:008:50:241
943375994741,5cyclictest1009908-21kworker/u8:0+flush-179:011:10:231
943372994739,6cyclictest937285-21kworker/u8:3+flush-179:007:20:200
943375994640,4cyclictest960217-21kworker/u8:2+events_unbound08:05:131
943375994640,4cyclictest960217-21kworker/u8:2+events_unbound08:05:121
943372994640,4cyclictest1042529-21kworker/u8:1+flush-179:012:20:220
943372994638,6cyclictest266-21systemd-journal11:25:010
943372994542,2cyclictest964605-21kworker/u8:1+flush-179:008:20:210
943372994539,4cyclictest1008118-21kworker/u8:1+events_unbound10:50:000
943372994538,5cyclictest1008118-21kworker/u8:1+flush-179:010:40:000
943372994536,7cyclictest266-21systemd-journal08:34:520
943375994438,4cyclictest998583-21kworker/u8:0+flush-179:010:10:191
943375994434,8cyclictest992427-21apt-get09:40:121
943372994441,2cyclictest0-21swapper/010:42:000
943375994337,4cyclictest952866-21kworker/u8:1+flush-179:008:00:161
943375994337,4cyclictest952866-21kworker/u8:1+flush-179:008:00:161
943375994332,8cyclictest266-21systemd-journal11:05:001
943380994236,5cyclictest0-21swapper/309:04:593
94338099420,35cyclictest0-21swapper/312:02:593
943375994237,4cyclictest992118-21kworker/u8:3+flush-179:009:55:151
943375994236,5cyclictest992118-21kworker/u8:3+flush-179:009:50:351
943375994236,4cyclictest952866-21kworker/u8:1+flush-179:008:00:001
943372994235,6cyclictest952893-21kworker/u8:3+flush-179:007:50:250
943375994136,4cyclictest1003276-21kworker/u8:2+flush-179:010:25:221
943375994134,5cyclictest952866-21kworker/u8:1+events_unbound07:40:171
943375994129,6cyclictest1031162-21kworker/u8:1+events_unbound11:55:181
943380994038,1cyclictest0-21swapper/312:17:003
943380994038,1cyclictest0-21swapper/312:16:593
94338099400,38cyclictest992167-21turbostat09:40:003
943375994035,4cyclictest961656-21kworker/u8:3+events_unbound08:10:151
943375994035,4cyclictest957919-21kworker/u8:0+events_unbound08:25:121
943375994033,5cyclictest974908-21apt-get08:45:101
943375994030,8cyclictest987644-21apt-get09:25:131
94337599401,2cyclictest714-21Xorg09:03:591
943372994033,5cyclictest1034321-21kworker/u8:0+flush-179:012:10:220
943372994032,6cyclictest956095-21latency_hist07:50:000
943372994029,9cyclictest266-21systemd-journal10:30:010
94337299401,35cyclictest1001966-21apt-get10:10:130
943380993937,1cyclictest0-21swapper/309:34:553
94337699390,36cyclictest0-21swapper/212:29:552
943375993934,4cyclictest1029500-21kworker/u8:4+flush-179:011:40:191
943375993928,8cyclictest1017887-21latency_hist11:00:021
943372993935,2cyclictest977863-21systemd-run08:55:010
943372993935,2cyclictest0-21swapper/011:26:590
943375993832,4cyclictest1019138-21kworker/u8:3+flush-179:011:05:211
943375993828,7cyclictest949706-21latency_hist07:30:011
943372993832,5cyclictest982642-21kworker/u8:0+events_unbound09:35:240
943380993734,2cyclictest0-21swapper/311:11:593
94338099370,36cyclictest0-21swapper/311:49:553
94338099370,36cyclictest0-21swapper/310:31:593
94337699370,35cyclictest0-21swapper/211:26:002
94337599371,32cyclictest971435-21apt-get08:35:021
943372993728,7cyclictest979378-21kworker/u8:1+events_unbound09:00:010
943380993634,1cyclictest0-21swapper/312:37:593
943380993634,1cyclictest0-21swapper/311:56:003
943380993634,1cyclictest0-21swapper/308:43:593
94338099360,35cyclictest0-21swapper/310:56:003
94338099360,1cyclictest0-21swapper/310:39:553
94338099360,1cyclictest0-21swapper/310:12:003
943376993633,2cyclictest0-21swapper/211:45:592
943372993632,2cyclictest0-21swapper/009:18:590
943372993631,3cyclictest714-21Xorg07:43:590
943372993631,3cyclictest1040946-21systemd-run12:10:000
943372993630,4cyclictest1-21systemd08:20:010
94337299360,1cyclictest0-21swapper/011:47:580
4577091360,3ptp4l61490irq/134-eno1-TxRx-009:45:123
943380993533,1cyclictest0-21swapper/312:26:583
943380993528,5cyclictest967776-21turbostat08:25:003
94338099350,1cyclictest0-21swapper/309:59:593
94337699350,1cyclictest0-21swapper/208:26:592
943380993432,1cyclictest0-21swapper/311:43:003
943380993432,1cyclictest0-21swapper/310:44:003
943380993432,1cyclictest0-21swapper/307:59:553
94338099340,1cyclictest0-21swapper/312:13:583
943376993431,2cyclictest0-21swapper/210:20:582
943376993430,2cyclictest0-21swapper/210:19:562
943380993327,5cyclictest946535-21turbostat07:20:003
943376993331,1cyclictest0-21swapper/210:55:002
943376993330,2cyclictest0-21swapper/211:35:592
943376993330,2cyclictest0-21swapper/211:22:002
943376993330,2cyclictest0-21swapper/210:58:592
943376993330,2cyclictest0-21swapper/210:28:002
943376993330,2cyclictest0-21swapper/209:52:592
943376993329,2cyclictest0-21swapper/208:46:592
943376993329,2cyclictest0-21swapper/207:16:592
943372993329,3cyclictest1034293-21turbostat11:54:550
943372993328,4cyclictest994428-21kworker/u8:1+flush-179:009:55:190
943372993327,5cyclictest1045722-21kworker/u8:3+flush-179:012:30:250
943372993327,4cyclictest950746-21kworker/u8:2+events_unbound07:35:000
943372993325,6cyclictest1029500-21kworker/u8:4+flush-179:011:40:010
943380993230,1cyclictest0-21swapper/311:28:583
943380993230,1cyclictest0-21swapper/308:14:553
943380993226,5cyclictest961148-21turbostat08:05:003
943380993226,5cyclictest961148-21turbostat08:05:003
943376993229,2cyclictest0-21swapper/211:08:002
943372993227,3cyclictest1050501-21true12:40:000
943372993227,3cyclictest0-21swapper/010:05:140
943372993225,5cyclictest1008118-21kworker/u8:1+flush-179:010:45:170
94337299322,3cyclictest1005163-21apt-get10:20:150
943380993129,1cyclictest0-21swapper/310:54:543
943376993128,2cyclictest0-21swapper/212:30:592
943376993128,2cyclictest0-21swapper/209:11:592
943376993128,2cyclictest0-21swapper/208:20:592
943375993124,5cyclictest982646-21systemd-run09:10:001
943372993126,4cyclictest992118-21kworker/u8:3+flush-179:009:50:230
943372993125,5cyclictest1029500-21kworker/u8:4+flush-179:012:00:140
943380993028,1cyclictest0-21swapper/307:54:593
943380993028,1cyclictest0-21swapper/307:46:593
943376993027,2cyclictest0-21swapper/208:31:592
943376993025,2cyclictest0-21swapper/210:40:122
94337699300,28cyclictest0-21swapper/211:33:132
94337699300,28cyclictest0-21swapper/208:15:122
943375993024,5cyclictest1009908-21kworker/u8:0+flush-179:010:40:261
943372993027,2cyclictest973064-21apt-get08:40:120
943380992927,1cyclictest0-21swapper/311:20:593
943380992927,1cyclictest0-21swapper/311:17:593
943380992927,1cyclictest0-21swapper/309:44:553
94338099290,28cyclictest0-21swapper/311:33:003
94338099290,28cyclictest0-21swapper/308:30:133
94338099290,28cyclictest0-21swapper/307:10:113
943376992927,1cyclictest0-21swapper/207:45:002
943376992926,2cyclictest0-21swapper/211:13:002
943376992926,2cyclictest0-21swapper/209:15:142
943376992926,2cyclictest0-21swapper/208:40:592
943376992926,2cyclictest0-21swapper/208:35:022
943376992926,2cyclictest0-21swapper/207:30:132
94337699290,2cyclictest0-21swapper/210:35:142
94337699290,27cyclictest0-21swapper/212:00:132
94337699290,27cyclictest0-21swapper/210:01:592
94337699290,27cyclictest0-21swapper/209:00:112
94337699290,27cyclictest0-21swapper/208:05:122
94337699290,27cyclictest0-21swapper/208:05:122
94337699290,21cyclictest0-21swapper/212:20:132
943372992924,3cyclictest0-21swapper/009:45:210
94337299290,28cyclictest0-21swapper/010:32:580
943380992826,1cyclictest0-21swapper/311:05:143
943380992825,2cyclictest0-21swapper/307:29:593
94338099280,26cyclictest0-21swapper/310:20:153
94338099280,26cyclictest0-21swapper/308:05:033
94338099280,26cyclictest0-21swapper/308:05:033
94338099280,26cyclictest0-21swapper/307:40:133
943376992826,1cyclictest0-21swapper/209:39:592
943376992826,1cyclictest0-21swapper/208:14:592
943376992825,2cyclictest0-21swapper/211:00:122
943376992825,2cyclictest0-21swapper/209:33:592
943376992825,2cyclictest0-21swapper/207:25:142
943376992825,1cyclictest0-21swapper/212:10:002
94337699280,2cyclictest0-21swapper/211:53:592
94337699280,2cyclictest0-21swapper/211:15:132
94337699280,2cyclictest0-21swapper/209:25:142
94337699280,2cyclictest0-21swapper/208:55:132
94337699280,27cyclictest0-21swapper/212:15:122
94337699280,27cyclictest0-21swapper/212:15:112
94337699280,26cyclictest0-21swapper/211:55:022
94337699280,26cyclictest0-21swapper/211:42:002
943372992823,3cyclictest0-21swapper/011:15:000
4577091280,7ptp4l61490irq/134-eno1-TxRx-011:40:013
4577091280,7ptp4l441ktimers/312:35:013
4577091280,6ptp4l441ktimers/308:50:013
4577091280,6ptp4l441ktimers/308:15:013
943380992725,1cyclictest0-21swapper/310:05:143
943380992725,1cyclictest0-21swapper/309:20:123
943376992725,1cyclictest0-21swapper/209:45:012
943376992724,2cyclictest0-21swapper/207:53:592
4577091270,6ptp4l61490irq/134-eno1-TxRx-010:05:013
4577091270,6ptp4l61490irq/134-eno1-TxRx-009:30:003
4577091270,6ptp4l441ktimers/312:10:003
4577091270,6ptp4l441ktimers/311:55:003
4577091270,6ptp4l441ktimers/310:29:563
4577091270,6ptp4l441ktimers/309:55:003
4577091270,6ptp4l441ktimers/309:15:013
94338099260,24cyclictest0-21swapper/310:45:593
943376992624,1cyclictest0-21swapper/212:40:012
943376992623,2cyclictest0-21swapper/207:49:562
943376992623,2cyclictest0-21swapper/207:21:452
94337599261,5cyclictest943379-21wc07:10:011
943372992621,4cyclictest951972-21gltestperf07:35:160
4577091260,6ptp4l441ktimers/309:19:563
4577091260,5ptp4l441ktimers/307:34:553
4577091260,5ptp4l441ktimers/307:25:013
943376992522,2cyclictest0-21swapper/209:55:592
943376992522,2cyclictest0-21swapper/207:55:132
943376992522,2cyclictest0-21swapper/207:10:212
4577091250,5ptp4l61490irq/134-eno1-TxRx-008:55:003
4577091250,4ptp4l61490irq/134-eno1-TxRx-007:39:553
4577091250,4ptp4l441ktimers/312:24:553
943380992421,2cyclictest0-21swapper/308:38:593
4577091240,4ptp4l61490irq/134-eno1-TxRx-008:59:553
4577091240,4ptp4l441ktimers/311:04:563
4577091230,4ptp4l441ktimers/310:19:553
943376992018,1cyclictest0-21swapper/210:35:012
943376992018,1cyclictest0-21swapper/210:10:012
943376992017,2cyclictest0-21swapper/209:21:592
943376991916,2cyclictest0-21swapper/209:06:592
943376991915,2cyclictest0-21swapper/212:14:552
943376991816,1cyclictest0-21swapper/210:50:002
943376991614,1cyclictest0-21swapper/210:15:012
943376991614,1cyclictest0-21swapper/208:04:582
943376991614,1cyclictest0-21swapper/208:04:582
943376991513,1cyclictest0-21swapper/209:50:002
94337699130,1cyclictest0-21swapper/208:50:092
9433769930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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