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2026-02-18 - 09:15
[ 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 Wed Feb 18, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
95496199112100,9cyclictest1023917-21latency_hist22:45:010
9549619910796,8cyclictest977442-21latency_hist20:20:010
9549619910796,8cyclictest977442-21latency_hist20:20:010
9549639910682,22cyclictest967873-21latency_hist19:50:021
954961999686,7cyclictest991761-21latency_hist21:05:020
954961999166,14cyclictest1028937-21latency_hist23:00:010
954963998983,4cyclictest1053140-21latency_hist00:15:021
954961998474,7cyclictest1056834-21/usr/sbin/munin00:25:240
954961998370,10cyclictest266-21systemd-journal23:10:000
954963998070,7cyclictest1040346-21latency_hist23:35:001
954963997973,5cyclictest1004798-21kworker/u8:0+events_unbound21:50:011
954963997770,5cyclictest1051588-21kworker/u8:2+flush-179:000:35:011
954963997363,7cyclictest990167-21latency_hist21:00:021
954961997363,7cyclictest979025-21latency_hist20:25:000
954963997259,11cyclictest998130-21latency_hist21:25:011
954963997259,10cyclictest266-21systemd-journal21:40:001
954961997165,4cyclictest1010994-21kworker/u8:1+events_unbound22:15:000
954963997063,5cyclictest1023962-21kworker/u8:2+events_unbound23:05:191
954961996958,8cyclictest985632-21/usr/sbin/munin20:45:250
954963996662,3cyclictest956699-21kworker/u8:0+flush-179:019:20:251
954963996357,4cyclictest1001558-21kworker/u8:3+flush-179:022:05:221
954963996353,7cyclictest266-21systemd-journal22:55:001
95496399630,62cyclictest0-21swapper/119:28:591
954963996255,5cyclictest979001-21kworker/u8:3+flush-179:021:00:171
954961996258,2cyclictest0-21swapper/023:44:590
954961996253,7cyclictest266-21systemd-journal23:54:560
954963996054,4cyclictest1038736-21kworker/u8:0+flush-179:000:00:011
954961996052,6cyclictest982198-21latency_hist20:35:010
954969995856,1cyclictest0-21swapper/319:42:583
954963995855,2cyclictest1004798-21kworker/u8:0+flush-179:022:05:001
954963995852,4cyclictest999975-21latency_hist21:30:001
954961995851,5cyclictest1051588-21kworker/u8:2+flush-179:000:30:220
954961995848,8cyclictest1046970-21apt-get23:55:110
954963995745,10cyclictest266-21systemd-journal23:15:001
954961995748,7cyclictest996801-21apt-get21:20:120
954963995647,7cyclictest1050225-21apt-get00:05:111
954961995647,6cyclictest966289-21latency_hist19:45:000
954963995549,4cyclictest954954-21cyclictest23:47:001
954963995546,7cyclictest963094-21latency_hist19:35:021
954963995448,5cyclictest1041998-21kworker/u8:3+flush-179:023:45:001
954963995448,4cyclictest1049921-21systemd00:04:001
954963995446,6cyclictest266-21systemd-journal20:54:081
954963995445,7cyclictest1045105-21kworker/u8:1+events_unbound23:55:001
954961995445,8cyclictest991997-21kworker/u8:2+events_unbound21:10:000
954961995445,8cyclictest991997-21kworker/u8:2+events_unbound21:10:000
954961995445,7cyclictest1045126-21latency_hist23:50:010
954963995348,4cyclictest979001-21kworker/u8:3+flush-179:021:10:221
954963995245,5cyclictest1023962-21kworker/u8:2+flush-179:022:50:171
954963995242,8cyclictest958207-21store19:20:001
954961995249,2cyclictest0-21swapper/020:14:590
954961995242,8cyclictest969699-21/usr/sbin/munin19:55:240
954963995146,4cyclictest991997-21kworker/u8:2+events_unbound21:20:011
954961995146,3cyclictest1038736-21kworker/u8:0+flush-179:000:00:090
954961995145,4cyclictest1011163-21kworker/u8:4+flush-179:022:40:010
954961995140,9cyclictest1017735-21/usr/sbin/munin22:25:220
4577091510,14ptp4l441ktimers/319:10:013
954965995047,2cyclictest0-21swapper/222:09:592
954963995041,6cyclictest1051588-21kworker/u8:2+flush-179:000:35:251
954963995039,10cyclictest983841-21kworker/u8:2+flush-179:020:45:261
954961995044,4cyclictest0-21swapper/000:15:020
954961995044,4cyclictest0-21swapper/000:15:010
954961995043,5cyclictest1010994-21kworker/u8:1+flush-179:022:50:260
954961995040,9cyclictest1024174-21apt-get22:45:120
954963994943,5cyclictest1049956-21kworker/u8:4+flush-179:000:20:011
954963994943,5cyclictest1049956-21kworker/u8:4+flush-179:000:20:011
954963994943,5cyclictest1019117-21kworker/u8:0+events_unbound22:30:241
954963994942,5cyclictest1004798-21kworker/u8:0+events_unbound21:50:151
954961994942,6cyclictest979001-21kworker/u8:3+flush-179:020:50:240
954961994942,6cyclictest1019117-21kworker/u8:0+flush-179:022:35:010
954961994941,6cyclictest1002109-21diskstats21:35:150
954963994830,16cyclictest1011163-21kworker/u8:4+flush-179:022:10:211
954961994835,10cyclictest958077-21apt-get19:20:000
954963994741,4cyclictest1037186-21kthreadd23:25:011
954963994739,6cyclictest963078-21kworker/u8:1+events_unbound19:35:141
954963994734,11cyclictest1035306-21apt-get23:20:001
954961994739,6cyclictest954847-21latency_hist19:10:010
954961994724,9cyclictest266-21systemd-journal19:15:000
954961994722,9cyclictest0-21swapper/022:20:010
954961994722,9cyclictest0-21swapper/022:20:010
954963994641,4cyclictest1007965-21kworker/u8:2+events_unbound21:55:241
954963994635,9cyclictest980641-21systemd-run20:30:001
954961994639,5cyclictest1038736-21kworker/u8:0+flush-179:000:05:170
954965994542,2cyclictest0-21swapper/220:40:592
954963994541,2cyclictest963078-21kworker/u8:1+events_unbound20:40:141
954963994540,4cyclictest1011163-21kworker/u8:4+flush-179:022:29:551
954963994539,5cyclictest974230-21kworker/u8:0+events_unbound20:20:251
954961994535,8cyclictest994911-21kworker/u8:1+flush-179:021:25:150
954965994442,1cyclictest0-21swapper/219:29:592
954963994338,4cyclictest963078-21kworker/u8:1+flush-179:020:19:561
954963994338,4cyclictest963078-21kworker/u8:1+flush-179:020:19:551
954963994338,4cyclictest284331-21kworker/u8:4+flush-179:019:10:261
954963994332,9cyclictest979001-21kworker/u8:3+flush-179:020:35:181
954963994331,6cyclictest0-21swapper/119:53:591
954961994339,3cyclictest964739-21systemd-run19:40:010
95496199432,39cyclictest1015901-21turbostat22:24:560
954969994237,3cyclictest0-21swapper/319:50:003
954963994235,5cyclictest991997-21kworker/u8:2+flush-179:021:30:181
95496199421,28cyclictest0-21swapper/023:35:130
95496599410,39cyclictest0-21swapper/221:14:592
954963994135,5cyclictest979001-21kworker/u8:3+flush-179:021:05:251
954963994135,5cyclictest979001-21kworker/u8:3+flush-179:021:05:251
954963994132,7cyclictest956699-21kworker/u8:0+events_unbound19:40:151
954961994136,4cyclictest967855-21kworker/u8:2+flush-179:020:25:270
954961994136,4cyclictest284331-21kworker/u8:4+flush-179:019:25:250
954961994135,4cyclictest714-21Xorg20:03:590
95496199411,36cyclictest1039015-21apt-get23:30:130
954965994037,2cyclictest0-21swapper/220:47:592
954963994036,2cyclictest714-21Xorg20:02:591
954963994035,4cyclictest1038736-21kworker/u8:0+events_unbound00:20:241
954963994035,3cyclictest1001558-21kworker/u8:3+events_unbound21:40:161
954963994034,5cyclictest1011163-21kworker/u8:4+events_unbound22:15:231
954963994034,5cyclictest1011163-21kworker/u8:4+events_unbound22:15:231
954963994033,4cyclictest1038736-21kworker/u8:0+events_unbound00:25:151
95496399401,37cyclictest714-21Xorg20:32:591
95496399400,2cyclictest714-21Xorg20:07:001
954961994032,6cyclictest1008169-21/usr/sbin/munin21:55:150
95496999390,4cyclictest988584-21turbostat20:55:003
95496999390,4cyclictest977434-21turbostat20:20:003
95496999390,4cyclictest977434-21turbostat20:20:003
954961993935,3cyclictest1004798-21kworker/u8:0+flush-179:021:45:210
954961993933,5cyclictest972668-21turbostat20:09:550
954961993929,8cyclictest1032367-21/usr/sbin/munin23:10:230
954963993831,5cyclictest1022995-21/usr/sbin/munin22:40:161
954963993828,5cyclictest0-21swapper/122:39:591
95496399380,36cyclictest0-21swapper/119:59:551
954961993835,2cyclictest0-21swapper/023:02:580
954961993829,7cyclictest2304-21lightdm-gtk-gre19:23:590
954961993829,7cyclictest1055248-21/usr/sbin/munin00:20:240
954969993735,1cyclictest0-21swapper/319:21:003
954965993734,2cyclictest0-21swapper/223:40:592
954965993734,2cyclictest0-21swapper/220:12:582
954965993734,2cyclictest0-21swapper/200:22:592
95496599370,35cyclictest0-21swapper/220:25:592
95496599370,35cyclictest0-21swapper/219:59:592
954963993725,7cyclictest0-21swapper/120:11:591
954961993734,2cyclictest0-21swapper/022:08:000
954969993631,4cyclictest1043544-21turbostat23:45:003
95496999360,1cyclictest0-21swapper/319:12:593
95496599360,1cyclictest0-21swapper/222:23:002
95496599360,1cyclictest0-21swapper/221:02:592
954963993626,7cyclictest266-21systemd-journal23:30:011
954961993632,2cyclictest714-21Xorg21:12:590
95496999350,34cyclictest0-21swapper/322:15:593
95496999350,34cyclictest0-21swapper/322:15:593
954965993532,2cyclictest0-21swapper/221:44:562
954965993532,2cyclictest0-21swapper/200:37:582
954963993530,4cyclictest1023962-21kworker/u8:2+flush-179:023:35:231
954961993531,3cyclictest1011130-21cron22:05:000
954961993530,3cyclictest962198-21hwlatdetect19:30:180
95496199352,4cyclictest968130-21apt-get19:50:130
954969993432,1cyclictest0-21swapper/323:19:553
954969993432,1cyclictest0-21swapper/320:34:553
954969993432,1cyclictest0-21swapper/319:19:593
954965993432,1cyclictest0-21swapper/222:39:592
954965993431,2cyclictest0-21swapper/223:56:592
954965993431,2cyclictest0-21swapper/219:17:582
954961993430,3cyclictest1061372-21cron00:40:010
4577091340,1ptp4l431rcuc/321:09:593
4577091340,1ptp4l431rcuc/321:09:593
954969993331,1cyclictest0-21swapper/300:05:003
954965993331,1cyclictest0-21swapper/222:04:592
95496599330,31cyclictest0-21swapper/200:19:002
95496599330,31cyclictest0-21swapper/200:18:592
954961993330,2cyclictest963078-21kworker/u8:1+flush-179:020:40:200
954961993328,3cyclictest995193-21apt-get21:15:140
954961993327,5cyclictest956699-21kworker/u8:0+flush-179:019:45:160
954961993327,4cyclictest0-21swapper/023:15:130
95496199331,4cyclictest908065-21snmpd00:10:120
954965993230,1cyclictest0-21swapper/221:10:002
954965993230,1cyclictest0-21swapper/221:09:592
954965993229,2cyclictest0-21swapper/219:33:582
954963993227,4cyclictest1028912-21kworker/u8:0+flush-179:023:00:221
954961993225,5cyclictest1001558-21kworker/u8:3+flush-179:021:40:220
95496199321,29cyclictest0-21swapper/021:30:150
954969993126,4cyclictest1041944-21turbostat23:39:593
954965993129,1cyclictest0-21swapper/222:34:582
954965993129,1cyclictest0-21swapper/221:25:582
95496599310,2cyclictest0-21swapper/219:13:582
954963993126,4cyclictest1010994-21kworker/u8:1+flush-179:022:45:241
95496399311,3cyclictest0-21swapper/122:20:131
954961993128,2cyclictest0-21swapper/020:35:590
95496999300,28cyclictest0-21swapper/322:00:123
954965993027,2cyclictest0-21swapper/222:45:132
954965993027,2cyclictest0-21swapper/222:44:592
954965993027,2cyclictest0-21swapper/200:30:132
95496599300,28cyclictest0-21swapper/219:36:592
954961993026,3cyclictest1007968-21systemd-run21:55:000
95496199301,2cyclictest1035306-21apt-get23:20:010
95496199300,28cyclictest714-21Xorg20:57:580
4577091300,2ptp4l441ktimers/320:02:133
954969992926,2cyclictest0-21swapper/321:25:013
95496999290,28cyclictest0-21swapper/322:20:133
95496999290,28cyclictest0-21swapper/320:45:143
95496999290,28cyclictest0-21swapper/300:15:133
95496999290,28cyclictest0-21swapper/300:15:123
95496999290,27cyclictest0-21swapper/322:10:123
95496999290,27cyclictest0-21swapper/321:00:133
95496999290,27cyclictest0-21swapper/319:55:143
95496999290,27cyclictest0-21swapper/319:35:143
954965992927,1cyclictest0-21swapper/221:24:592
954965992927,1cyclictest0-21swapper/220:30:142
954965992926,2cyclictest0-21swapper/220:39:552
954965992926,2cyclictest0-21swapper/220:15:132
954965992926,2cyclictest0-21swapper/220:15:132
954965992926,2cyclictest0-21swapper/219:20:132
95496599290,28cyclictest0-21swapper/223:20:122
95496599290,28cyclictest0-21swapper/223:10:132
95496599290,27cyclictest0-21swapper/223:05:102
95496599290,27cyclictest0-21swapper/221:45:132
954969992826,1cyclictest0-21swapper/321:30:143
95496999280,2cyclictest0-21swapper/322:40:133
95496999280,2cyclictest0-21swapper/300:20:143
95496999280,27cyclictest0-21swapper/323:20:013
95496999280,27cyclictest0-21swapper/321:40:133
95496999280,27cyclictest0-21swapper/320:20:133
95496999280,26cyclictest0-21swapper/322:55:013
95496999280,1cyclictest0-21swapper/321:15:143
954965992826,1cyclictest0-21swapper/220:55:142
95496599280,2cyclictest0-21swapper/223:25:122
95496599280,2cyclictest0-21swapper/222:55:132
95496599280,2cyclictest0-21swapper/200:00:132
95496599280,27cyclictest0-21swapper/223:50:122
95496599280,27cyclictest0-21swapper/222:55:012
95496599280,26cyclictest0-21swapper/223:00:142
95496599280,21cyclictest0-21swapper/220:20:122
954961992823,4cyclictest1038736-21kworker/u8:0+events_unbound23:30:010
954969992725,1cyclictest0-21swapper/323:50:133
954969992725,1cyclictest0-21swapper/319:50:133
95496999270,26cyclictest0-21swapper/321:25:013
95496999270,26cyclictest0-21swapper/320:42:583
95496999270,26cyclictest0-21swapper/320:11:003
95496999270,26cyclictest0-21swapper/300:10:123
954965992725,1cyclictest0-21swapper/221:17:592
954965992725,1cyclictest0-21swapper/219:44:592
954965992724,2cyclictest0-21swapper/222:11:592
4577091270,7ptp4l61490irq/134-eno1-TxRx-023:10:003
954969992624,1cyclictest0-21swapper/321:50:593
954969992624,1cyclictest0-21swapper/319:30:153
95496999260,2cyclictest0-21swapper/323:46:003
954965992623,2cyclictest0-21swapper/223:36:002
954965992623,2cyclictest0-21swapper/221:55:122
95496599260,24cyclictest0-21swapper/221:53:592
95496599260,24cyclictest0-21swapper/219:54:552
95496599260,24cyclictest0-21swapper/219:47:582
4577091260,3ptp4l441ktimers/321:00:003
954969992523,1cyclictest0-21swapper/321:13:593
95496999250,24cyclictest0-21swapper/323:25:593
95496999250,24cyclictest0-21swapper/322:52:003
95496999250,1cyclictest0-21swapper/322:37:593
95496999250,1cyclictest0-21swapper/320:08:593
954965992523,1cyclictest0-21swapper/223:33:002
954965992523,1cyclictest0-21swapper/220:09:592
954969992422,1cyclictest0-21swapper/322:27:583
95496999240,1cyclictest0-21swapper/300:09:593
954965992422,1cyclictest0-21swapper/221:31:592
954965992422,1cyclictest0-21swapper/220:05:002
954965992422,1cyclictest0-21swapper/200:08:592
954965992421,2cyclictest0-21swapper/222:16:592
954965992421,2cyclictest0-21swapper/222:16:592
4577091240,5ptp4l61490irq/134-eno1-TxRx-022:34:553
4577091240,3ptp4l61490irq/134-eno1-TxRx-023:35:003
4577091240,3ptp4l61490irq/134-eno1-TxRx-000:29:593
4577091240,3ptp4l441ktimers/323:05:003
4577091240,3ptp4l441ktimers/321:50:013
4577091240,3ptp4l441ktimers/319:30:013
231999240,14rtkit-daemon3203871-21ntpd19:08:351
954965992320,2cyclictest0-21swapper/200:15:002
4577091230,3ptp4l61490irq/134-eno1-TxRx-022:49:553
4577091230,3ptp4l61490irq/134-eno1-TxRx-021:40:023
4577091230,3ptp4l61490irq/134-eno1-TxRx-020:29:563
4577091230,3ptp4l441ktimers/323:15:003
4577091230,3ptp4l441ktimers/322:09:563
4577091230,3ptp4l441ktimers/321:59:553
4577091230,3ptp4l441ktimers/320:39:553
4577091230,3ptp4l441ktimers/300:39:563
4577091230,3ptp4l441ktimers/300:34:553
4577091230,3ptp4l441ktimers/300:00:003
954965992219,2cyclictest0-21swapper/223:16:592
954965992219,2cyclictest0-21swapper/221:37:592
954965992017,2cyclictest0-21swapper/223:48:592
954965991816,1cyclictest0-21swapper/222:27:592
95496599129,2cyclictest0-21swapper/200:28:002
95496599118,2cyclictest988584-21turbostat20:55:012
9549659930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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