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2026-01-19 - 12:33
[ 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 highest latencies:
System rackeslot6.osadl.org (updated Mon Jan 19, 2026 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
897046999865,22cyclictest913147-21latency_hist20:00:001
897045999486,6cyclictest957989-21latency_hist22:20:020
897045999082,6cyclictest940528-21kworker/u8:3+events_unbound22:25:000
897045999082,6cyclictest940528-21kworker/u8:3+events_unbound22:25:000
897045998780,4cyclictest942067-21latency_hist21:30:010
897046998660,23cyclictest937523-21/usr/sbin/munin21:15:241
897045998675,9cyclictest990594-40logrotate00:00:000
897046998575,8cyclictest266-21systemd-journal19:20:021
897045997668,6cyclictest906793-21latency_hist19:40:010
897045997467,5cyclictest1000500-21kworker/u8:0+flush-179:000:40:010
897045997363,7cyclictest987422-21latency_hist23:50:010
897045997363,7cyclictest922961-21latency_hist20:30:010
897045997162,7cyclictest924787-21/usr/sbin/munin20:35:220
897045996963,4cyclictest900124-21kworker/u8:0+flush-179:019:25:000
897045996862,4cyclictest940528-21kworker/u8:3+flush-179:022:25:240
897045996658,6cyclictest883805-21kworker/u8:1+flush-179:019:20:000
897046996552,10cyclictest990635-40mandb00:00:011
897045996562,2cyclictest0-21swapper/023:41:580
897046996460,2cyclictest714-21Xorg21:36:591
897046996456,6cyclictest924551-21latency_hist20:35:011
897046996455,7cyclictest999119-21/usr/sbin/munin00:25:241
897045996455,7cyclictest992497-21/usr/sbin/munin00:05:250
897045996357,4cyclictest920462-21kworker/u8:1+events_unbound20:45:250
897045996356,4cyclictest900124-21kworker/u8:0+events_unbound19:30:150
897045996353,7cyclictest937285-21latency_hist21:15:010
897046996154,5cyclictest935935-21kworker/u8:0+flush-179:021:10:261
897050996056,2cyclictest0-21swapper/220:24:002
897045996053,5cyclictest906826-21kworker/u8:3+flush-179:019:50:200
897045996053,5cyclictest906826-21kworker/u8:3+flush-179:019:50:200
897045996049,8cyclictest963035-21apt-get22:34:590
89704599600,58cyclictest950060-21munin-run21:55:000
89704599600,58cyclictest950060-21munin-run21:55:000
897051995854,2cyclictest0-21swapper/320:23:593
897045995849,7cyclictest898549-21latency_hist19:15:010
897045995750,5cyclictest973146-21kworker/u8:2+flush-179:023:20:000
897046995647,6cyclictest953216-21latency_hist22:05:011
897046995646,7cyclictest957980-21apt-get22:20:011
89704699561,53cyclictest976280-21ls23:15:011
897045995551,2cyclictest963516-21/usr/sbin/munin22:35:230
897045995445,6cyclictest963005-21kworker/u8:1+events_unbound22:40:200
897045995346,5cyclictest927782-21kworker/u8:2+flush-179:021:00:000
897045995343,8cyclictest943910-21apt-get21:35:110
897045995247,4cyclictest978545-21kworker/u8:0+flush-179:023:25:260
897045995247,4cyclictest921364-21kworker/u8:3+flush-179:020:50:290
897046995146,4cyclictest990868-21kworker/u8:0+flush-179:000:05:261
897046995144,5cyclictest911548-21latency_hist19:55:011
897046995144,5cyclictest911548-21latency_hist19:55:001
897046995143,5cyclictest950564-21diskstats21:55:161
89704699510,48cyclictest714-21Xorg19:37:001
897045995142,6cyclictest883805-21kworker/u8:1+flush-179:019:25:230
897045995142,6cyclictest883805-21kworker/u8:1+flush-179:019:25:230
897045995141,8cyclictest1000723-21apt-get00:30:110
897046995042,6cyclictest981054-21latency_hist23:30:011
897045995044,4cyclictest956390-21latency_hist22:15:010
89704699491,23cyclictest900151-21latency_hist19:20:011
897045994939,8cyclictest934148-21kworker/u8:1+flush-179:021:25:000
897045994935,10cyclictest984248-21latency_hist23:40:010
4577091490,13ptp4l61490irq/134-eno1-TxRx-019:10:013
897046994841,5cyclictest966969-21/usr/sbin/munin22:45:231
897046994841,5cyclictest966969-21/usr/sbin/munin22:45:221
897045994843,4cyclictest973146-21kworker/u8:2+flush-179:023:10:280
897045994843,3cyclictest990868-21kworker/u8:0+events_unbound00:20:010
897045994838,7cyclictest913190-21kworker/u8:2+events_unbound20:05:130
897045994837,9cyclictest990889-21apt-get00:00:100
897045994837,9cyclictest990889-21apt-get00:00:090
89704699470,44cyclictest0-21swapper/122:10:141
897045994741,4cyclictest972507-21kworker/u8:1+flush-179:023:05:240
897045994739,6cyclictest906826-21kworker/u8:3+events_unbound19:55:200
897046994640,4cyclictest972507-21kworker/u8:1+events_unbound23:20:001
897046994638,6cyclictest990868-21kworker/u8:0+flush-179:000:15:161
897046994636,7cyclictest921630-21apt-get20:25:121
897046994635,8cyclictest987473-21kworker/u8:2+flush-179:023:50:161
897046994628,17cyclictest964865-21cron22:40:001
897046994625,19cyclictest0-21swapper/120:50:011
897046994618,25cyclictest974102-21ntp_kernel_err23:05:241
897045994637,7cyclictest948435-21latency_hist21:50:010
897045994637,7cyclictest940528-21kworker/u8:3+flush-179:022:00:000
897045994637,7cyclictest916307-21kworker/u8:0+events_unbound20:30:250
897046994536,7cyclictest981309-21apt-get23:30:101
897046994527,15cyclictest903847-21apt-get19:30:121
89704699450,27cyclictest0-21swapper/100:00:121
89704699450,27cyclictest0-21swapper/100:00:121
897045994542,2cyclictest913190-21kworker/u8:2+events_unbound20:00:230
897045994540,4cyclictest906826-21kworker/u8:3+flush-179:019:45:150
897045994539,4cyclictest946894-21kworker/u8:2+flush-179:022:05:190
897045994538,5cyclictest921364-21kworker/u8:3+events_unbound21:05:180
897045994537,5cyclictest966526-21kworker/u8:3+events_unbound23:00:140
897045994533,8cyclictest940528-21kworker/u8:3+events_unbound22:00:250
897045994439,4cyclictest920462-21kworker/u8:1+flush-179:020:40:160
897045994439,3cyclictest921413-21systemd-run20:25:000
897046994338,4cyclictest966526-21kworker/u8:3+flush-179:023:00:261
897046994323,18cyclictest0-21swapper/121:00:591
897045994337,4cyclictest996725-21kworker/u8:1+flush-179:000:20:160
897045994337,4cyclictest996725-21kworker/u8:1+flush-179:000:20:150
897045994336,5cyclictest913190-21kworker/u8:2+events_unbound20:15:150
89705199420,41cyclictest0-21swapper/319:49:003
897046994235,5cyclictest956374-21kworker/u8:0+flush-179:022:29:591
897046994235,5cyclictest266-21systemd-journal20:23:571
897045994237,3cyclictest966526-21kworker/u8:3+flush-179:022:50:220
897045994236,4cyclictest971543-21systemd-run23:00:010
89705099410,39cyclictest0-21swapper/219:48:592
897046994125,14cyclictest0-21swapper/123:00:001
897045994135,5cyclictest940528-21kworker/u8:3+flush-179:021:30:170
897045994129,9cyclictest266-21systemd-journal19:40:570
89704599411,38cyclictest917922-21munin-run20:15:000
89705199400,1cyclictest0-21swapper/322:23:003
89705199400,1cyclictest0-21swapper/322:22:593
897046994033,6cyclictest978545-21kworker/u8:0+flush-179:023:20:221
897046994020,17cyclictest0-21swapper/120:15:021
897046994019,20cyclictest925631-21phc2sys20:35:211
897045994032,7cyclictest940528-21kworker/u8:3+flush-179:021:45:000
89705199390,4cyclictest929343-21turbostat20:50:003
89705199390,38cyclictest924561-21turbostat20:35:003
89705199390,38cyclictest0-21swapper/300:04:563
89705199390,38cyclictest0-21swapper/300:04:553
89705099390,37cyclictest0-21swapper/223:38:592
89705099390,36cyclictest0-21swapper/221:53:592
89705099390,36cyclictest0-21swapper/221:53:592
89705099390,36cyclictest0-21swapper/221:11:592
897046993934,4cyclictest940528-21kworker/u8:3+flush-179:021:30:261
897046993915,21cyclictest0-21swapper/119:11:121
897045993935,3cyclictest921364-21kworker/u8:3+flush-179:021:00:570
897051993835,2cyclictest0-21swapper/322:40:593
89705199380,37cyclictest940493-21turbostat21:25:003
89705199380,35cyclictest0-21swapper/321:49:583
89705099380,36cyclictest0-21swapper/222:40:592
89705099380,36cyclictest0-21swapper/221:33:592
89705099380,35cyclictest0-21swapper/223:13:582
89705099380,35cyclictest0-21swapper/221:09:552
89705099380,35cyclictest0-21swapper/200:04:552
89705099380,35cyclictest0-21swapper/200:04:552
897046993835,2cyclictest0-21swapper/123:45:591
897046993833,4cyclictest940528-21kworker/u8:3+flush-179:022:20:161
897046993833,4cyclictest940528-21kworker/u8:3+flush-179:022:20:161
897046993831,6cyclictest987473-21kworker/u8:2+flush-179:000:10:221
89704699382,31cyclictest984506-21apt-get23:40:131
89704699380,2cyclictest714-21Xorg21:42:591
897045993833,4cyclictest987473-21kworker/u8:2+events_unbound00:10:240
897045993832,4cyclictest987473-21kworker/u8:2+events_unbound23:50:190
897051993735,1cyclictest0-21swapper/323:38:593
897051993732,4cyclictest908390-21turbostat19:45:003
89705199370,35cyclictest0-21swapper/321:18:593
897050993734,2cyclictest0-21swapper/219:45:002
897050993733,2cyclictest0-21swapper/223:43:592
897050993733,2cyclictest0-21swapper/223:02:592
897050993733,2cyclictest0-21swapper/220:04:592
897046993715,3cyclictest0-21swapper/119:25:231
897046993715,3cyclictest0-21swapper/119:25:231
897045993730,5cyclictest966526-21kworker/u8:3+events_unbound22:45:220
897045993730,5cyclictest966526-21kworker/u8:3+events_unbound22:45:210
89704599370,36cyclictest0-21swapper/023:35:000
4577091370,3ptp4l61490irq/134-eno1-TxRx-019:10:153
897051993633,2cyclictest0-21swapper/323:26:593
897051993633,2cyclictest0-21swapper/322:51:003
897051993633,2cyclictest0-21swapper/300:25:583
897050993633,2cyclictest0-21swapper/223:28:582
897050993633,2cyclictest0-21swapper/219:51:002
897050993633,2cyclictest0-21swapper/219:50:592
89705099360,1cyclictest0-21swapper/221:49:592
897046993632,3cyclictest1003666-21apt00:40:001
897046993618,17cyclictest0-21swapper/119:45:211
897046993617,18cyclictest963056-21apt-key22:35:011
897046993616,19cyclictest0-21swapper/122:55:011
897046993615,4cyclictest947947-21phc2sys-jitter21:45:221
897046993615,4cyclictest0-21swapper/121:55:011
897046993615,4cyclictest0-21swapper/121:55:011
897046993615,3cyclictest0-21swapper/123:35:221
897045993633,2cyclictest0-21swapper/023:19:560
897045993627,7cyclictest1000483-21awk00:29:590
897051993534,1cyclictest0-21swapper/300:39:563
89705199350,1cyclictest0-21swapper/322:26:593
89705199350,1cyclictest0-21swapper/322:05:593
897050993532,2cyclictest0-21swapper/222:29:592
897046993533,1cyclictest0-21swapper/121:29:591
897046993526,7cyclictest931171-21apt-get20:55:101
897046993524,9cyclictest929586-21apt-get20:50:181
89704699350,8cyclictest915861-21/usr/sbin/munin20:05:221
897051993432,1cyclictest0-21swapper/323:59:553
897051993431,2cyclictest0-21swapper/323:02:593
897050993430,2cyclictest0-21swapper/223:09:562
897046993431,2cyclictest0-21swapper/122:42:591
897046993414,3cyclictest0-21swapper/120:00:141
897051993331,1cyclictest0-21swapper/321:43:593
897051993330,2cyclictest0-21swapper/320:04:593
897050993330,2cyclictest0-21swapper/219:36:592
897050993329,2cyclictest0-21swapper/222:31:592
897050993329,2cyclictest0-21swapper/220:16:592
897046993331,1cyclictest714-21Xorg19:41:591
89704699331,30cyclictest0-21swapper/121:05:131
897051993230,1cyclictest0-21swapper/323:43:583
897051993230,1cyclictest0-21swapper/319:50:593
897051993230,1cyclictest0-21swapper/319:50:593
89705099326,24cyclictest0-21swapper/221:23:592
897050993229,2cyclictest0-21swapper/220:11:592
897050993228,2cyclictest0-21swapper/222:11:592
897045993227,4cyclictest935935-21kworker/u8:0+flush-179:021:15:220
897050993129,1cyclictest0-21swapper/222:25:002
897050993129,1cyclictest0-21swapper/222:24:592
897050993128,2cyclictest0-21swapper/219:58:582
89705099310,2cyclictest0-21swapper/221:18:592
897046993121,8cyclictest926414-21apt-get20:40:131
897051993027,2cyclictest431rcuc/319:36:593
897050993027,2cyclictest0-21swapper/222:45:032
897050993027,2cyclictest0-21swapper/222:45:032
897050993027,2cyclictest0-21swapper/219:25:132
897050993027,2cyclictest0-21swapper/219:25:132
897050993027,2cyclictest0-21swapper/200:15:022
897050993026,2cyclictest0-21swapper/223:55:592
89705099300,29cyclictest0-21swapper/221:55:142
89705099300,28cyclictest0-21swapper/222:35:012
4577091300,7ptp4l441ktimers/319:25:003
897051992927,1cyclictest0-21swapper/323:09:553
897051992927,1cyclictest0-21swapper/320:17:003
897051992927,1cyclictest0-21swapper/300:15:013
89705199290,27cyclictest0-21swapper/322:35:023
89705199290,27cyclictest0-21swapper/321:55:133
89705199290,1cyclictest0-21swapper/319:25:143
89705199290,1cyclictest0-21swapper/319:25:133
897050992926,2cyclictest0-21swapper/222:59:592
897050992926,2cyclictest0-21swapper/200:11:592
897050992925,2cyclictest0-21swapper/221:01:592
897050992925,2cyclictest0-21swapper/220:42:582
89705099290,27cyclictest0-21swapper/223:30:122
89705099290,27cyclictest0-21swapper/222:15:132
89705099290,27cyclictest0-21swapper/222:05:102
89705099290,27cyclictest0-21swapper/221:40:132
89705099290,27cyclictest0-21swapper/221:35:132
89705099290,27cyclictest0-21swapper/221:25:132
89705099290,27cyclictest0-21swapper/219:10:142
89705099290,27cyclictest0-21swapper/200:35:152
89705099290,26cyclictest0-21swapper/220:46:592
4577091290,7ptp4l441ktimers/321:55:003
4577091290,7ptp4l441ktimers/321:55:003
4577091290,7ptp4l441ktimers/321:35:003
897051992826,1cyclictest0-21swapper/322:45:033
897051992826,1cyclictest0-21swapper/322:45:023
897051992826,1cyclictest0-21swapper/322:31:583
897051992826,1cyclictest0-21swapper/322:15:133
897051992826,1cyclictest0-21swapper/322:11:593
897051992826,1cyclictest0-21swapper/320:11:593
89705199280,27cyclictest0-21swapper/323:30:133
89705199280,27cyclictest0-21swapper/322:55:123
89705199280,27cyclictest0-21swapper/321:35:133
89705199280,21cyclictest0-21swapper/323:20:123
89705199280,1cyclictest0-21swapper/321:25:133
897050992825,2cyclictest0-21swapper/223:20:132
897050992825,2cyclictest0-21swapper/220:08:592
897050992825,2cyclictest0-21swapper/219:20:022
897050992825,2cyclictest0-21swapper/200:22:002
897050992825,2cyclictest0-21swapper/200:21:592
89705099280,27cyclictest0-21swapper/219:20:112
897051992725,1cyclictest0-21swapper/319:58:593
897051992724,2cyclictest0-21swapper/300:11:583
89705099270,25cyclictest0-21swapper/220:35:592
89705099270,25cyclictest0-21swapper/200:30:592
89705099270,24cyclictest0-21swapper/220:54:592
897046992723,2cyclictest0-21swapper/121:25:011
897046992719,7cyclictest913190-21kworker/u8:2+flush-179:020:15:201
89704699270,27cyclictest0-21swapper/100:22:581
89704699270,27cyclictest0-21swapper/100:22:581
4577091270,6ptp4l61490irq/134-eno1-TxRx-020:10:003
4577091270,6ptp4l441ktimers/323:50:013
4577091270,6ptp4l441ktimers/321:15:003
4577091270,6ptp4l441ktimers/321:10:003
4577091270,6ptp4l441ktimers/300:35:003
4577091270,6ptp4l441ktimers/300:25:003
4577091270,6ptp4l441ktimers/300:24:593
897051992624,1cyclictest0-21swapper/319:30:583
89705199260,24cyclictest0-21swapper/319:15:263
89705199260,1cyclictest0-21swapper/320:39:593
89705099260,2cyclictest0-21swapper/220:56:592
897046992622,3cyclictest0-21swapper/100:30:231
4577091260,6ptp4l61490irq/134-eno1-TxRx-023:55:013
4577091260,6ptp4l61490irq/134-eno1-TxRx-021:05:003
4577091260,6ptp4l61490irq/134-eno1-TxRx-000:10:013
4577091260,5ptp4l441ktimers/322:04:593
4577091260,5ptp4l441ktimers/321:00:013
897051992522,2cyclictest0-21swapper/320:42:583
897050992522,2cyclictest0-21swapper/223:47:592
897046992518,6cyclictest266-21systemd-journal22:09:551
4577091250,5ptp4l61490irq/134-eno1-TxRx-023:20:003
4577091250,5ptp4l441ktimers/323:15:013
4577091250,4ptp4l61490irq/134-eno1-TxRx-020:30:003
897050992421,2cyclictest0-21swapper/219:33:592
897050992219,2cyclictest0-21swapper/222:52:592
897050992218,2cyclictest0-21swapper/223:15:592
89704599202,13cyclictest897048-21ls19:10:020
897050991916,2cyclictest0-21swapper/220:25:592
4577091190,3ptp4l61490irq/134-eno1-TxRx-020:50:213
89704699170,16cyclictest0-21swapper/119:10:031
897050991411,2cyclictest0-21swapper/223:53:592
89705099108,2cyclictest0-21swapper/200:09:592
8970509987,1cyclictest0-21swapper/220:34:592
8970509970,6cyclictest0-21swapper/222:01:572
8970509970,6cyclictest0-21swapper/200:25:272
8970509930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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