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2026-02-25 - 13:06
[ 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 25, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37886269910895,10cyclictest266-21systemd-journal00:00:010
3788626999389,3cyclictest3863124-21kworker/u8:0+events_unbound23:00:240
3788626999282,6cyclictest3813035-21latency_hist20:25:010
3788627999183,6cyclictest3794954-21latency_hist19:30:011
3788627998574,9cyclictest3801581-21latency_hist19:50:011
3788626998574,4cyclictest3869540-21kworker/u8:3+events_unbound00:20:210
3788627998480,3cyclictest3814879-21kworker/u8:2+events_unbound20:30:251
3788627998475,6cyclictest3861279-21latency_hist22:55:011
3788626998375,6cyclictest3803425-21latency_hist19:55:010
3788627998172,7cyclictest3877464-21latency_hist23:45:021
3788627998073,3cyclictest3856761-21kworker/u8:1+events_unbound22:40:231
3788626998075,4cyclictest3800032-21kworker/u8:3+flush-179:020:05:240
3788626998072,6cyclictest3849895-21latency_hist22:20:020
3788627997970,8cyclictest3859740-21kworker/u8:2+flush-179:023:00:001
3788627997969,8cyclictest3826263-21/usr/sbin/munin21:05:241
3788627997969,8cyclictest3826263-21/usr/sbin/munin21:05:231
3788626997874,3cyclictest3869540-21kworker/u8:3+flush-179:023:45:210
3788626997768,6cyclictest3859696-21latency_hist22:50:000
3788626997768,4cyclictest3863124-21kworker/u8:0+events_unbound23:10:260
3788627997668,6cyclictest266-21systemd-journal22:40:001
3788627997570,4cyclictest3885506-21kworker/u8:2+events_unbound00:15:141
3788626997570,4cyclictest3859674-21kworker/u8:0+flush-179:022:50:220
3788627997469,4cyclictest3819639-21kworker/u8:2+events_unbound20:50:191
3788626997369,3cyclictest3863124-21kworker/u8:0+flush-179:023:15:230
3788626997369,3cyclictest3830800-21kworker/u8:3+events_unbound21:35:190
3788626997368,4cyclictest3883842-21kworker/u8:1+events_unbound00:15:240
3788626997368,4cyclictest3869540-21kworker/u8:3+flush-179:000:35:230
3788626997368,4cyclictest3799972-21kworker/u8:0+events_unbound19:55:210
3788626997363,4cyclictest3885506-21kworker/u8:2+events_unbound00:10:240
3788627997268,3cyclictest3799972-21kworker/u8:0+flush-179:019:44:551
3788627997267,4cyclictest3800032-21kworker/u8:3+events_unbound20:10:241
3788626997268,3cyclictest3804988-21kworker/u8:1+flush-179:020:15:200
3788626997267,4cyclictest3819639-21kworker/u8:2+flush-179:020:55:230
3788626997166,4cyclictest3774598-21kworker/u8:1+events_unbound19:20:180
3788627997063,5cyclictest3890283-21kworker/u8:0+flush-179:000:40:001
3788627996965,3cyclictest3838795-21kworker/u8:2+events_unbound22:30:191
3788626996965,3cyclictest3825500-21kworker/u8:0+events_unbound21:15:200
3788626996960,7cyclictest266-21systemd-journal20:34:550
3788626996960,4cyclictest3838795-21kworker/u8:2+events_unbound22:20:200
3788627996864,3cyclictest3797874-21kworker/u8:2+events_unbound19:50:201
3788627996863,4cyclictest3869540-21kworker/u8:3+flush-179:000:34:551
3788627996859,6cyclictest3819660-21latency_hist20:45:011
3788626996864,3cyclictest3883842-21kworker/u8:1+flush-179:000:05:190
3788626996863,4cyclictest3890283-21kworker/u8:0+events_unbound00:30:190
3788626996863,4cyclictest3818032-21kworker/u8:1+events_unbound21:00:250
3788626996863,4cyclictest3774598-21kworker/u8:1+flush-179:019:19:550
3788626996860,3cyclictest3774598-21kworker/u8:1+events_unbound19:10:190
3788627996763,3cyclictest3841962-21kworker/u8:3+events_unbound22:00:261
3788627996763,3cyclictest3787036-21kworker/u8:0+flush-179:019:24:551
3788627996759,6cyclictest3848311-21kworker/u8:3+flush-179:022:30:001
3788626996762,4cyclictest3869540-21kworker/u8:3+flush-179:000:04:000
3788626996762,4cyclictest3830800-21kworker/u8:3+events_unbound21:25:240
3788626996758,6cyclictest3875867-21latency_hist23:40:000
3788627996661,4cyclictest3838795-21kworker/u8:2+events_unbound21:50:261
3788627996658,3cyclictest3804988-21kworker/u8:1+events_unbound20:25:231
3788626996662,3cyclictest3829432-21kworker/u8:1+events_unbound21:20:250
3788626996661,4cyclictest3819639-21kworker/u8:2+flush-179:021:34:550
3788626996660,5cyclictest3825500-21kworker/u8:0+flush-179:021:14:550
3788626996656,3cyclictest3859740-21kworker/u8:2+events_unbound22:55:190
3788627996560,4cyclictest3838742-21kworker/u8:0+flush-179:021:44:551
3788626996552,4cyclictest3838795-21kworker/u8:2+events_unbound22:30:240
3788627996459,4cyclictest3873705-21kworker/u8:0+flush-179:023:35:171
3788627996459,4cyclictest3809766-21kworker/u8:0+events_unbound20:20:151
3788627996457,2cyclictest3819639-21kworker/u8:2+events_unbound20:45:151
3788626996460,4cyclictest3809766-21kworker/u8:0+flush-179:020:39:560
3788626996460,3cyclictest3774598-21kworker/u8:1+flush-179:019:34:550
3788626996459,4cyclictest3869540-21kworker/u8:3+flush-179:023:30:250
3788627996354,8cyclictest3806874-21apt-get20:05:121
3788626996358,4cyclictest3804988-21kworker/u8:1+flush-179:020:25:190
3788630996259,2cyclictest0-21swapper/219:27:592
3788626996258,3cyclictest3856761-21kworker/u8:1+flush-179:023:20:190
3788626996257,4cyclictest3818032-21kworker/u8:1+flush-179:020:50:250
3788627996157,3cyclictest3774598-21kworker/u8:1+flush-179:019:30:371
3788627996155,5cyclictest3869540-21kworker/u8:3+flush-179:000:05:001
3788626996157,3cyclictest3854646-21kworker/u8:0+events_unbound22:35:270
3788626996156,4cyclictest3869540-21kworker/u8:3+events_unbound23:40:130
3788627996056,3cyclictest3863124-21kworker/u8:0+flush-179:023:04:551
3788627996055,4cyclictest3869540-21kworker/u8:3+events_unbound00:20:191
3788627996051,7cyclictest266-21systemd-journal22:18:361
3788626996055,4cyclictest3845150-21kworker/u8:1+flush-179:022:05:250
3788627995955,3cyclictest3819639-21kworker/u8:2+flush-179:021:15:371
3788627995955,3cyclictest3774598-21kworker/u8:1+flush-179:019:39:561
3788627995954,4cyclictest3774598-21kworker/u8:1+events_unbound19:15:171
3788626995955,3cyclictest3838795-21kworker/u8:2+flush-179:021:50:220
3788627995853,4cyclictest3863124-21kworker/u8:0+flush-179:023:14:561
3788626995854,3cyclictest3841962-21kworker/u8:3+flush-179:022:00:200
3788626995853,4cyclictest3838795-21kworker/u8:2+events_unbound22:10:220
3788627995748,7cyclictest3851486-21latency_hist22:25:001
3788626995752,4cyclictest3838742-21kworker/u8:0+events_unbound21:45:220
3788626995752,4cyclictest3835544-21kworker/u8:1+events_unbound21:40:250
3788627995651,4cyclictest3869540-21kworker/u8:3+flush-179:023:54:551
3788627995651,4cyclictest3863124-21kworker/u8:0+flush-179:023:20:011
3788626995652,3cyclictest3856761-21kworker/u8:1+flush-179:023:30:000
3788626995651,4cyclictest3879038-21kworker/u8:1+events_unbound23:50:240
3788627995551,3cyclictest3814879-21kworker/u8:2+events_unbound20:35:151
3788627995548,5cyclictest3805029-21latency_hist20:00:021
3788626995550,4cyclictest3856761-21kworker/u8:1+flush-179:023:05:240
3788626995550,4cyclictest3787036-21kworker/u8:0+flush-179:019:25:210
3788627995445,7cyclictest266-21systemd-journal21:48:361
3788626995450,3cyclictest3819639-21kworker/u8:2+events_unbound21:05:180
3788626995450,3cyclictest3819639-21kworker/u8:2+events_unbound21:05:180
3788626995444,3cyclictest3848311-21kworker/u8:3+events_unbound22:27:100
3788627995349,3cyclictest3838742-21kworker/u8:0+events_unbound21:58:381
3788627995349,3cyclictest3830800-21kworker/u8:3+events_unbound21:27:001
3788626995348,4cyclictest3804988-21kworker/u8:1+events_unbound20:10:140
3788626995247,4cyclictest3856761-21kworker/u8:1+flush-179:022:40:240
3788627995146,4cyclictest3819639-21kworker/u8:2+events_unbound21:14:371
3788627995146,4cyclictest3818032-21kworker/u8:1+events_unbound21:00:201
3788627995046,3cyclictest3859740-21kworker/u8:2+events_unbound23:09:381
3788627995046,3cyclictest3856761-21kworker/u8:1+flush-179:023:15:371
3788627995046,3cyclictest3848311-21kworker/u8:3+flush-179:022:45:381
3788627995045,4cyclictest3838795-21kworker/u8:2+events_unbound22:12:101
3788627995031,18cyclictest3879038-21kworker/u8:1+flush-179:023:50:001
378862799501,46cyclictest3882242-21awk00:00:001
3788626995046,3cyclictest3890283-21kworker/u8:0+flush-179:000:25:240
3788626995046,3cyclictest3890283-21kworker/u8:0+flush-179:000:25:240
3788627994945,3cyclictest3869540-21kworker/u8:3+flush-179:023:32:221
3788627994945,3cyclictest3838795-21kworker/u8:2+events_unbound22:09:361
3788627994743,3cyclictest3835544-21kworker/u8:1+events_unbound21:34:361
3788627994743,3cyclictest3830800-21kworker/u8:3+events_unbound21:20:031
4577091460,13ptp4l61490irq/134-eno1-TxRx-019:10:013
3788627994642,3cyclictest3830800-21kworker/u8:3+events_unbound21:36:371
3788626994640,5cyclictest3799972-21kworker/u8:0+flush-179:019:46:410
3788626994541,3cyclictest3819639-21kworker/u8:2+events_unbound20:46:510
3788626994541,3cyclictest3774598-21kworker/u8:1+events_unbound19:35:190
3788626994540,4cyclictest3838742-21kworker/u8:0+events_unbound21:59:360
3788626994540,4cyclictest3805060-21kworker/u8:2+events_unbound20:03:370
3788627994440,3cyclictest3885506-21kworker/u8:2+events_unbound00:11:361
3788627994440,3cyclictest3809766-21kworker/u8:0+events_unbound20:15:361
3788627994440,3cyclictest3774598-21kworker/u8:1+events_unbound19:14:371
3788626994439,4cyclictest3774598-21kworker/u8:1+flush-179:019:40:380
3788627994338,4cyclictest3883842-21kworker/u8:1+events_unbound00:07:281
3788627994137,3cyclictest3890283-21kworker/u8:0+events_unbound00:26:381
3788627994137,3cyclictest3890283-21kworker/u8:0+events_unbound00:26:381
3788627994137,3cyclictest3805060-21kworker/u8:2+flush-179:020:00:011
378863199400,4cyclictest3841937-21turbostat21:55:003
378863199400,38cyclictest3818075-21turbostat20:40:013
3788630994038,1cyclictest0-21swapper/223:34:592
3788630994037,2cyclictest0-21swapper/221:23:582
3788627994036,3cyclictest3856761-21kworker/u8:1+events_unbound23:28:361
3788626994035,4cyclictest3818032-21kworker/u8:1+events_unbound20:40:260
378863199390,4cyclictest3843525-21turbostat22:00:003
378863199390,38cyclictest3801588-21turbostat19:50:003
378863099390,36cyclictest0-21swapper/222:25:002
378863199380,36cyclictest0-21swapper/319:20:593
378863099380,36cyclictest0-21swapper/222:45:592
378863099380,35cyclictest0-21swapper/220:05:002
3788627993834,2cyclictest714-21Xorg20:57:581
3788631993735,1cyclictest0-21swapper/319:39:593
378863199370,35cyclictest0-21swapper/322:01:003
3788630993734,2cyclictest0-21swapper/221:55:592
3788630993734,2cyclictest0-21swapper/220:36:592
378863099370,35cyclictest0-21swapper/220:57:592
378863199360,35cyclictest0-21swapper/322:13:593
378863199360,35cyclictest0-21swapper/319:57:593
378863199360,35cyclictest0-21swapper/319:44:553
378863199360,35cyclictest0-21swapper/300:27:593
378863199360,35cyclictest0-21swapper/300:27:593
378863199360,1cyclictest0-21swapper/323:57:593
378863199360,1cyclictest0-21swapper/322:24:003
378863199360,1cyclictest0-21swapper/300:01:593
3788630993633,2cyclictest0-21swapper/221:25:592
3788630993633,2cyclictest0-21swapper/200:39:552
3788630993632,2cyclictest0-21swapper/200:24:592
3788631993533,1cyclictest0-21swapper/323:32:593
3788631993533,1cyclictest0-21swapper/323:12:003
378863199350,1cyclictest0-21swapper/321:49:593
3788630993532,2cyclictest0-21swapper/221:08:592
3788630993532,2cyclictest0-21swapper/221:08:582
378863099350,1cyclictest0-21swapper/222:07:592
3788630993432,1cyclictest0-21swapper/222:14:592
3788630993432,1cyclictest0-21swapper/219:44:592
3788630993431,2cyclictest0-21swapper/219:30:592
3788630993330,2cyclictest0-21swapper/223:54:552
3788630993330,2cyclictest0-21swapper/222:32:582
3788630993330,2cyclictest0-21swapper/222:27:002
3788630993330,2cyclictest0-21swapper/219:19:592
3788630993330,2cyclictest0-21swapper/200:16:592
231999330,8rtkit-daemon908065-21snmpd19:05:351
3788631993229,2cyclictest0-21swapper/300:37:593
3788630993229,2cyclictest0-21swapper/223:10:592
3788631993129,1cyclictest0-21swapper/323:44:593
3788631993129,1cyclictest0-21swapper/322:39:003
3788631993129,1cyclictest0-21swapper/321:04:543
3788631993129,1cyclictest0-21swapper/320:52:593
378863199310,2cyclictest0-21swapper/319:14:593
3788630993127,2cyclictest0-21swapper/219:51:002
3788630993127,2cyclictest0-21swapper/219:21:592
3788631993027,2cyclictest0-21swapper/321:14:003
3788630993027,2cyclictest0-21swapper/222:40:042
3788630993026,2cyclictest0-21swapper/223:45:112
3788631992927,1cyclictest0-21swapper/323:37:593
3788631992927,1cyclictest0-21swapper/320:47:593
3788631992927,1cyclictest0-21swapper/320:15:123
378863199290,28cyclictest3854661-21turbostat22:35:003
378863199290,27cyclictest0-21swapper/322:55:143
3788630992926,2cyclictest0-21swapper/223:15:012
3788630992926,2cyclictest0-21swapper/220:10:132
3788630992926,2cyclictest0-21swapper/200:25:122
3788630992926,2cyclictest0-21swapper/200:25:122
3788630992926,2cyclictest0-21swapper/200:05:132
3788630992926,2cyclictest0-21swapper/200:00:142
3788630992925,2cyclictest0-21swapper/220:45:122
3788630992925,2cyclictest0-21swapper/220:07:002
378863099290,27cyclictest0-21swapper/223:40:132
378863099290,27cyclictest0-21swapper/222:35:132
378863099290,27cyclictest0-21swapper/221:50:132
4577091280,6ptp4l441ktimers/323:50:013
4577091280,6ptp4l441ktimers/320:29:593
3788631992826,1cyclictest0-21swapper/322:40:123
3788631992826,1cyclictest0-21swapper/322:27:593
3788631992826,1cyclictest0-21swapper/322:15:133
3788631992826,1cyclictest0-21swapper/320:05:133
3788631992826,1cyclictest0-21swapper/300:12:593
378863199280,27cyclictest0-21swapper/320:20:143
378863199280,26cyclictest0-21swapper/319:15:133
3788630992826,1cyclictest0-21swapper/220:29:592
3788630992825,2cyclictest0-21swapper/223:20:122
3788630992825,2cyclictest0-21swapper/221:15:132
3788630992825,2cyclictest0-21swapper/220:42:592
3788630992825,2cyclictest0-21swapper/219:55:122
3788630992824,2cyclictest0-21swapper/200:32:592
378863099280,26cyclictest0-21swapper/220:30:122
4577091270,7ptp4l61490irq/134-eno1-TxRx-020:05:003
4577091270,7ptp4l441ktimers/323:20:003
4577091270,6ptp4l441ktimers/323:10:003
4577091270,6ptp4l441ktimers/323:05:003
4577091270,6ptp4l441ktimers/322:55:003
4577091270,6ptp4l441ktimers/322:10:003
3788631992725,1cyclictest0-21swapper/319:54:543
3788631992725,1cyclictest0-21swapper/300:33:593
378863199270,26cyclictest0-21swapper/321:31:593
378863199270,26cyclictest0-21swapper/300:08:003
378863199270,1cyclictest0-21swapper/321:41:593
378863199270,1cyclictest0-21swapper/321:28:003
3788630992724,2cyclictest0-21swapper/221:36:582
378863099270,25cyclictest0-21swapper/222:54:592
378863099270,25cyclictest0-21swapper/221:43:592
378863099270,25cyclictest0-21swapper/221:04:552
378863099270,25cyclictest0-21swapper/220:52:582
378863099270,25cyclictest0-21swapper/219:10:592
4577091260,6ptp4l61490irq/134-eno1-TxRx-022:49:593
4577091260,6ptp4l441ktimers/323:54:563
4577091260,6ptp4l441ktimers/323:29:563
4577091260,6ptp4l441ktimers/323:25:013
4577091260,6ptp4l441ktimers/320:35:003
4577091260,6ptp4l441ktimers/300:20:013
4577091260,5ptp4l441ktimers/319:29:563
4577091260,5ptp4l441ktimers/300:25:013
3788631992624,1cyclictest0-21swapper/321:38:593
3788631992624,1cyclictest0-21swapper/321:06:593
3788631992624,1cyclictest0-21swapper/321:06:593
378863199260,1cyclictest0-21swapper/319:32:593
3788630992623,2cyclictest0-21swapper/223:01:002
3788630992623,2cyclictest0-21swapper/221:32:002
378863099260,2cyclictest0-21swapper/223:58:592
378863099260,2cyclictest0-21swapper/223:26:592
378863099260,24cyclictest0-21swapper/222:16:592
3788626992622,3cyclictest0-21swapper/019:10:020
4577091250,5ptp4l61490irq/134-eno1-TxRx-021:00:003
3788631992523,1cyclictest0-21swapper/320:14:593
3788630992522,2cyclictest0-21swapper/220:19:002
378863099250,24cyclictest0-21swapper/222:00:132
4577091240,4ptp4l441ktimers/321:24:563
3788631992422,1cyclictest0-21swapper/320:40:593
3788630992320,2cyclictest0-21swapper/223:07:592
3788630992219,2cyclictest0-21swapper/222:55:592
3788630992219,2cyclictest0-21swapper/221:48:592
3788630992219,2cyclictest0-21swapper/221:10:592
3788631991816,1cyclictest0-21swapper/321:17:593
3788630991614,1cyclictest0-21swapper/223:40:002
3788630991311,1cyclictest0-21swapper/219:40:002
3788630991310,2cyclictest0-21swapper/220:22:592
3788630991310,2cyclictest0-21swapper/219:45:132
37886309963,2cyclictest0-21swapper/200:10:572
37886309930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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