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2026-01-28 - 10:20
[ 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 792 highest latencies:
System rackeslot6.osadl.org (updated Wed Jan 28, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92618399113103,8cyclictest1019740-40mandb00:00:011
9261839910969,27cyclictest1005330-21latency_hist23:15:001
9261839910594,8cyclictest935636-21latency_hist19:40:011
926183998680,4cyclictest1032773-21latency_hist00:40:011
926182998373,7cyclictest937484-21latency_hist19:45:020
926182998272,8cyclictest952037-21kworker/u8:1+flush-179:021:00:010
926182998170,8cyclictest943849-21latency_hist20:05:020
926182997969,7cyclictest955251-21latency_hist20:40:020
926182997766,8cyclictest927666-21latency_hist19:15:010
926182997661,11cyclictest484-21dbus-daemon22:49:590
926183997565,7cyclictest1026411-21kworker/u8:3+flush-179:000:30:231
926183997561,10cyclictest266-21systemd-journal22:50:001
926183997361,9cyclictest266-21systemd-journal23:05:001
926183997361,9cyclictest266-21systemd-journal23:05:001
926182997362,6cyclictest981008-21kworker/u8:0+flush-179:022:15:250
926182997264,5cyclictest1029571-21latency_hist00:30:000
926182997163,5cyclictest942308-21kworker/u8:1+flush-179:020:10:170
926182997059,9cyclictest1019703-21apt-get23:59:590
926182996961,6cyclictest944103-21apt-get20:05:120
926183996862,5cyclictest1002136-21kworker/u8:0+events_unbound00:04:011
926182996859,6cyclictest1011697-21latency_hist23:35:010
926183996756,8cyclictest952103-21kworker/u8:3+flush-179:020:55:221
926182996761,4cyclictest1002136-21kworker/u8:0+flush-179:000:15:000
926182996759,5cyclictest1017067-21kworker/u8:1+flush-179:023:50:230
926183996555,7cyclictest963235-21kworker/u8:2+events_unbound22:15:031
926182996559,4cyclictest969821-21kworker/u8:0+flush-179:021:45:220
926183996458,4cyclictest942308-21kworker/u8:1+flush-179:020:05:231
926182996352,8cyclictest1024512-21kworker/u8:1+flush-179:000:15:240
926182996352,8cyclictest1024512-21kworker/u8:1+flush-179:000:15:230
926189996260,1cyclictest0-21swapper/322:41:593
926183996257,3cyclictest0-21swapper/100:13:591
926183996255,5cyclictest930896-21kworker/u8:2+flush-179:019:25:221
926183996255,5cyclictest930896-21kworker/u8:2+flush-179:019:25:211
926182996257,3cyclictest1002136-21kworker/u8:0+flush-179:000:05:260
926182996252,8cyclictest266-21systemd-journal22:00:000
926183996158,2cyclictest0-21swapper/100:16:001
926183996158,2cyclictest0-21swapper/100:15:591
926183996151,8cyclictest266-21systemd-journal23:50:001
926183996054,5cyclictest997101-21kworker/u8:2+events_unbound22:55:011
926182996053,5cyclictest963235-21kworker/u8:2+flush-179:021:45:000
926182996052,6cyclictest1002136-21kworker/u8:0+flush-179:000:05:010
926183995949,8cyclictest266-21systemd-journal20:45:001
926183995849,7cyclictest930896-21kworker/u8:2+flush-179:019:50:211
926182995851,5cyclictest969821-21kworker/u8:0+flush-179:021:30:000
926183995749,6cyclictest266-21systemd-journal21:25:221
926182995748,7cyclictest937721-21/usr/sbin/munin19:45:230
926186995553,1cyclictest0-21swapper/222:39:592
926183995451,2cyclictest952037-21kworker/u8:1+flush-179:021:20:001
92618299541,48cyclictest956869-21true20:45:000
926183995350,2cyclictest714-21Xorg00:09:581
926182995345,6cyclictest994209-21apt-get22:40:110
92618299530,50cyclictest1-21systemd23:50:010
926183995148,2cyclictest963235-21kworker/u8:2+events_unbound21:50:231
926182995146,4cyclictest927923-21kworker/u8:1+flush-179:019:15:220
926182995145,4cyclictest952037-21kworker/u8:1+events_unbound21:15:000
926183995044,4cyclictest965037-21apt-get21:10:111
926182995045,4cyclictest930337-21kworker/u8:0+flush-179:019:20:210
926182995045,4cyclictest1026411-21kworker/u8:3+flush-179:000:35:010
926182995044,4cyclictest942308-21kworker/u8:1+flush-179:020:15:170
926183994943,5cyclictest985514-21kworker/u8:1+flush-179:022:35:211
926183994943,5cyclictest714-21Xorg21:55:591
926183994942,5cyclictest930896-21kworker/u8:2+flush-179:019:30:151
926183994940,7cyclictest963235-21kworker/u8:2+events_unbound21:30:161
926183994934,12cyclictest939049-21kworker/u8:0+flush-179:020:00:261
926182994942,5cyclictest977767-21apt-get21:50:110
926182994941,6cyclictest997167-21kworker/u8:3+events_unbound23:20:240
926183994841,5cyclictest981008-21kworker/u8:0+events_unbound22:15:011
926183994841,5cyclictest969821-21kworker/u8:0+flush-179:021:40:001
926183994839,7cyclictest266-21systemd-journal20:00:011
926183994839,7cyclictest1013292-21latency_hist23:40:011
926183994838,8cyclictest1005585-21apt-get23:15:131
926182994842,3cyclictest1032772-21dump-pmu-power00:40:010
926182994839,7cyclictest991016-21apt-get22:30:120
926189994743,3cyclictest935649-21turbostat19:40:003
926183994739,6cyclictest266-21systemd-journal21:22:211
926183994738,7cyclictest952037-21kworker/u8:1+flush-179:021:05:001
926183994728,17cyclictest937503-21perf19:49:551
926182994739,5cyclictest952057-21latency_hist20:30:010
926182994738,7cyclictest510-21rs:main0
4577091470,12ptp4l61490irq/134-eno1-TxRx-019:09:553
926183994642,3cyclictest995576-21systemd-run22:45:001
926183994641,4cyclictest969821-21kworker/u8:0+flush-179:021:45:251
926183994637,7cyclictest266-21systemd-journal23:30:561
926182994640,5cyclictest1002136-21kworker/u8:0+events_unbound23:05:210
926182994640,4cyclictest997101-21kworker/u8:2+flush-179:022:55:210
926182994638,6cyclictest972737-21latency_hist21:35:010
926186994543,1cyclictest0-21swapper/220:54:592
926186994542,2cyclictest0-21swapper/223:12:592
926183994540,3cyclictest981669-21needreboot22:00:221
926183994539,5cyclictest952103-21kworker/u8:3+events_unbound20:50:231
926183994438,5cyclictest989210-21kworker/u8:3+events_unbound22:25:141
926183994435,7cyclictest985514-21kworker/u8:1+flush-179:022:20:021
926182994439,4cyclictest484-21dbus-daemon21:05:010
926182994437,4cyclictest1002193-21systemd-run23:05:000
926182994437,4cyclictest1002193-21systemd-run23:04:590
926183994336,5cyclictest952037-21kworker/u8:1+flush-179:021:05:211
926182994338,4cyclictest1002136-21kworker/u8:0+flush-179:023:19:540
926183994235,4cyclictest0-21swapper/119:41:581
926183994233,7cyclictest930860-21latency_hist19:25:021
926183994231,10cyclictest981008-21kworker/u8:0+events_unbound22:30:161
926183994223,17cyclictest0-21swapper/120:35:011
926182994239,2cyclictest963235-21kworker/u8:2+events_unbound21:20:010
926182994235,5cyclictest981008-21kworker/u8:0+flush-179:022:10:200
926182994234,6cyclictest930896-21kworker/u8:2+flush-179:019:25:210
926182994234,6cyclictest930896-21kworker/u8:2+flush-179:019:25:210
926183994135,4cyclictest945447-21apt-get20:10:041
926183994134,6cyclictest948841-21kworker/u8:2+flush-179:020:25:251
926183994134,4cyclictest952037-21kworker/u8:1+flush-179:020:45:161
926183994134,4cyclictest0-21swapper/119:11:581
92618399410,2cyclictest714-21Xorg22:54:591
926182994135,4cyclictest930896-21kworker/u8:2+flush-179:019:50:150
92618299410,38cyclictest714-21Xorg23:40:590
926183994035,2cyclictest1008527-21munin-run23:25:011
926183994034,5cyclictest1002136-21kworker/u8:0+flush-179:023:05:171
926182994036,2cyclictest714-21Xorg22:50:590
926182994035,4cyclictest969821-21kworker/u8:0+flush-179:021:35:160
92618999390,37cyclictest943864-21turbostat20:05:013
92618399392,31cyclictest1008780-21apt-get23:25:111
926182993936,2cyclictest0-21swapper/022:26:580
926182993935,3cyclictest982290-21cron22:05:000
926182993934,3cyclictest957476-21cut20:45:160
926182993933,4cyclictest1010147-21systemd-run23:30:010
92618299391,10cyclictest0-21swapper/022:35:120
926183993833,4cyclictest982302-21turbostat22:09:551
926183993833,4cyclictest952103-21kworker/u8:3+flush-179:020:35:191
926183993832,4cyclictest1024512-21kworker/u8:1+flush-179:000:25:001
926183993831,5cyclictest510-21rs:main1
926182993835,2cyclictest714-21Xorg23:12:590
926182993833,4cyclictest952037-21kworker/u8:1+flush-179:020:30:200
926182993830,6cyclictest952037-21kworker/u8:1+events_unbound21:20:190
926189993634,1cyclictest0-21swapper/319:34:543
92618999360,1cyclictest0-21swapper/320:34:553
926183993625,7cyclictest58050irq/131-enp2s0-TxRx-220:20:131
926182993634,1cyclictest0-21swapper/020:24:550
926182993631,3cyclictest1027091-21hwlatdetect00:20:170
926182993630,5cyclictest963235-21kworker/u8:2+events_unbound22:05:140
926182993630,4cyclictest930337-21kworker/u8:0+flush-179:019:35:200
926189993533,1cyclictest0-21swapper/321:37:593
926189993533,1cyclictest0-21swapper/300:29:543
926189993532,2cyclictest0-21swapper/320:14:593
92618999350,1cyclictest0-21swapper/322:12:593
92618999350,1cyclictest0-21swapper/321:51:593
926186993533,1cyclictest0-21swapper/220:00:002
926186993532,2cyclictest0-21swapper/222:51:582
926186993532,2cyclictest0-21swapper/221:15:592
926186993532,2cyclictest0-21swapper/220:21:592
926186993532,2cyclictest0-21swapper/219:28:582
926186993532,2cyclictest0-21swapper/219:28:582
92618699350,2cyclictest0-21swapper/223:15:152
926183993526,5cyclictest0-21swapper/123:50:131
926189993432,1cyclictest0-21swapper/322:03:593
926186993432,1cyclictest0-21swapper/200:39:592
926186993431,2cyclictest0-21swapper/223:03:002
926186993431,2cyclictest0-21swapper/223:03:002
926186993431,2cyclictest0-21swapper/222:25:592
926186993431,2cyclictest0-21swapper/200:22:592
926189993331,1cyclictest0-21swapper/300:36:593
926186993330,2cyclictest0-21swapper/223:27:582
926186993330,2cyclictest0-21swapper/222:03:592
926186993330,2cyclictest0-21swapper/219:35:592
926186993330,2cyclictest0-21swapper/200:31:592
926186993322,2cyclictest0-21swapper/222:16:592
92618699330,30cyclictest0-21swapper/223:49:582
926183993327,4cyclictest266-21systemd-journal00:30:001
926189993230,1cyclictest0-21swapper/300:19:563
926189993230,1cyclictest0-21swapper/300:19:553
926186993229,2cyclictest0-21swapper/220:56:592
926186993228,2cyclictest0-21swapper/221:30:592
926186993225,6cyclictest0-21swapper/220:45:142
926183993228,3cyclictest975304-21needreboot21:40:181
926182993227,3cyclictest0-21swapper/023:35:100
926182993226,4cyclictest952103-21kworker/u8:3+flush-179:020:55:000
926189993129,1cyclictest0-21swapper/322:15:593
926189993129,1cyclictest0-21swapper/319:16:583
92618999310,30cyclictest1031179-21turbostat00:35:003
926186993129,1cyclictest0-21swapper/219:45:002
926186993128,2cyclictest0-21swapper/221:29:592
92618699310,29cyclictest0-21swapper/221:35:132
926183993126,4cyclictest948376-21phc2sys-jitter20:15:221
926182993128,2cyclictest940908-21apt-get19:55:120
926182993126,4cyclictest963872-21gltestperf21:05:140
926189993028,1cyclictest0-21swapper/320:51:593
926189993028,1cyclictest0-21swapper/320:22:003
926189993026,3cyclictest67-21kworker/3:1+events23:15:143
92618999300,28cyclictest0-21swapper/319:45:143
926186993027,2cyclictest0-21swapper/223:41:582
926186993023,6cyclictest0-21swapper/222:33:002
92618699300,29cyclictest0-21swapper/223:55:142
926182993025,3cyclictest0-21swapper/019:30:120
926189992927,1cyclictest0-21swapper/321:25:593
926189992927,1cyclictest0-21swapper/319:40:023
926189992926,2cyclictest0-21swapper/323:45:173
926189992926,2cyclictest0-21swapper/321:05:113
92618999290,28cyclictest0-21swapper/320:09:553
92618999290,27cyclictest0-21swapper/322:55:033
92618999290,27cyclictest0-21swapper/320:40:123
926186992927,1cyclictest0-21swapper/221:15:002
926186992926,2cyclictest0-21swapper/223:50:142
926186992926,2cyclictest0-21swapper/223:38:592
926186992926,2cyclictest0-21swapper/200:00:012
92618699290,2cyclictest0-21swapper/222:20:022
92618699290,27cyclictest0-21swapper/221:45:142
92618699290,27cyclictest0-21swapper/220:05:152
926189992826,1cyclictest0-21swapper/323:09:593
926189992826,1cyclictest0-21swapper/321:57:593
926189992825,2cyclictest0-21swapper/300:00:123
92618999280,2cyclictest0-21swapper/300:00:003
92618999280,27cyclictest0-21swapper/322:20:133
92618999280,27cyclictest0-21swapper/319:25:143
92618999280,27cyclictest0-21swapper/319:25:143
92618999280,26cyclictest0-21swapper/321:20:133
926186992826,1cyclictest0-21swapper/220:25:142
926186992825,2cyclictest0-21swapper/222:40:122
926186992825,2cyclictest0-21swapper/220:00:142
926186992825,2cyclictest0-21swapper/200:15:592
926186992825,2cyclictest0-21swapper/200:15:592
926186992824,2cyclictest0-21swapper/200:25:112
92618699280,26cyclictest0-21swapper/222:57:592
926183992824,3cyclictest926189-21cyclictest19:10:021
92618399280,26cyclictest0-21swapper/119:15:151
926189992725,1cyclictest0-21swapper/321:41:593
926189992725,1cyclictest0-21swapper/321:15:143
926189992724,2cyclictest0-21swapper/322:35:593
926189992724,2cyclictest0-21swapper/319:13:593
92618999270,1cyclictest0-21swapper/323:30:003
92618999270,1cyclictest0-21swapper/319:20:123
92618699270,2cyclictest0-21swapper/219:21:002
92618299270,2cyclictest926275-21latency_hist19:10:020
4577091270,5ptp4l441ktimers/322:49:543
926189992625,1cyclictest0-21swapper/320:18:593
926189992624,1cyclictest0-21swapper/323:01:003
926189992624,1cyclictest0-21swapper/323:01:003
926186992623,2cyclictest0-21swapper/222:45:592
926186992623,2cyclictest0-21swapper/220:31:592
92618699260,24cyclictest0-21swapper/223:32:002
92618699260,24cyclictest0-21swapper/220:16:592
92618699260,24cyclictest0-21swapper/219:17:532
92618699260,24cyclictest0-21swapper/219:10:222
926189992523,1cyclictest0-21swapper/322:31:593
926189992523,1cyclictest0-21swapper/321:11:593
926189992523,1cyclictest0-21swapper/300:14:593
92618999250,24cyclictest0-21swapper/319:58:583
926186992523,1cyclictest0-21swapper/221:02:002
926186992522,2cyclictest0-21swapper/223:08:582
926186992522,2cyclictest0-21swapper/221:58:582
926186992522,2cyclictest0-21swapper/200:14:002
4577091250,4ptp4l441ktimers/321:00:013
4577091250,3ptp4l441ktimers/320:30:003
926189992422,1cyclictest0-21swapper/323:37:583
926186992422,1cyclictest0-21swapper/222:06:592
926186992421,2cyclictest0-21swapper/221:52:592
926186992421,2cyclictest0-21swapper/221:42:592
4577091240,3ptp4l61490irq/134-eno1-TxRx-023:54:563
4577091240,3ptp4l61490irq/134-eno1-TxRx-021:35:003
4577091240,3ptp4l61490irq/134-eno1-TxRx-020:50:003
4577091240,3ptp4l441ktimers/323:34:563
4577091240,3ptp4l441ktimers/323:14:553
4577091240,3ptp4l441ktimers/322:54:563
4577091240,3ptp4l441ktimers/322:30:003
4577091240,3ptp4l441ktimers/321:05:013
4577091240,3ptp4l441ktimers/320:40:013
926189992321,1cyclictest0-21swapper/323:20:593
926189992320,2cyclictest0-21swapper/323:40:123
926186992321,1cyclictest0-21swapper/220:39:582
4577091230,3ptp4l61490irq/134-eno1-TxRx-000:25:003
4577091230,3ptp4l61490irq/134-eno1-TxRx-000:10:013
4577091230,3ptp4l441ktimers/321:49:563
4577091230,3ptp4l441ktimers/319:54:563
926186992220,1cyclictest0-21swapper/219:31:092
926186992119,1cyclictest0-21swapper/222:13:592
926186992119,1cyclictest0-21swapper/221:22:582
926186992017,2cyclictest0-21swapper/200:08:592
926186991916,2cyclictest0-21swapper/223:20:112
926186991614,1cyclictest0-21swapper/220:10:582
926186991613,2cyclictest0-21swapper/219:52:002
926186991613,2cyclictest0-21swapper/219:46:002
4577091140,3ptp4l441ktimers/322:05:183
9261869996,2cyclictest0-21swapper/220:40:122
9261869970,6cyclictest0-21swapper/221:07:172
9261869930,2cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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