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2026-01-31 - 09:09
[ 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 Sat Jan 31, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9574499910194,5cyclictest1053967-21latency_hist00:10:010
957449999286,4cyclictest1004105-21kworker/u8:3+flush-179:021:45:010
957451999181,7cyclictest1012017-21latency_hist22:00:001
957449999086,3cyclictest1033008-21kworker/u8:0+events_unbound23:20:230
957451998475,7cyclictest987857-21latency_hist20:45:011
957449998273,6cyclictest1024752-21latency_hist22:40:010
957449998173,6cyclictest983077-21latency_hist20:30:010
957451998069,8cyclictest266-21systemd-journal19:25:011
957449998068,9cyclictest1050720-40logrotate00:00:010
957449997871,5cyclictest1041181-21latency_hist23:30:010
957449997570,4cyclictest970383-21kworker/u8:2+flush-179:020:04:540
957449997565,8cyclictest997679-21/usr/sbin/munin21:15:240
957449997468,5cyclictest1003159-21kworker/u8:2+flush-179:022:05:000
957451997366,6cyclictest1050799-21kworker/u8:3+events_unbound00:04:001
957449997164,5cyclictest1026589-21/usr/sbin/munin22:45:230
957449997158,11cyclictest266-21systemd-journal20:20:000
957451997048,20cyclictest1036143-21latency_hist23:15:011
957449996964,3cyclictest936562-21kworker/u8:2+flush-179:019:10:160
957451996757,8cyclictest1031133-21latency_hist23:00:001
957451996658,5cyclictest1007262-21latency_hist21:45:001
95745199662,63cyclictest1-21systemd23:55:001
957449996656,7cyclictest1044375-21latency_hist23:40:010
957451996450,12cyclictest1026395-21kworker/u8:2+events_unbound22:50:231
957449996458,3cyclictest1045946-21kworker/u8:2+flush-179:000:10:010
957451996358,4cyclictest994318-21kworker/u8:3+flush-179:021:15:261
957451996355,7cyclictest1039401-21kworker/u8:2+flush-179:023:35:001
957451996354,7cyclictest266-21systemd-journal20:35:001
957451996338,23cyclictest975365-21/usr/sbin/munin20:05:161
957449996358,4cyclictest1013600-21kworker/u8:0+flush-179:022:35:000
957449996358,3cyclictest1013600-21kworker/u8:0+flush-179:022:10:130
957449996357,4cyclictest965299-21kworker/u8:3+events_unbound19:55:240
957449996346,13cyclictest266-21systemd-journal00:04:000
957449996255,6cyclictest955815-21kworker/u8:0+flush-179:019:50:010
957449996255,5cyclictest991027-21latency_hist20:55:010
957449996254,5cyclictest1050799-21kworker/u8:3+flush-179:000:40:000
957449996156,3cyclictest1003159-21kworker/u8:2+flush-179:022:15:210
957449996154,5cyclictest1003159-21kworker/u8:2+flush-179:022:20:200
957449996154,5cyclictest1003159-21kworker/u8:2+flush-179:022:20:200
957449996153,7cyclictest955815-21kworker/u8:0+flush-179:019:40:000
957451996049,9cyclictest1050750-40mandb00:00:011
957451995957,1cyclictest0-21swapper/121:49:591
957451995954,4cyclictest936562-21kworker/u8:2+events_unbound19:10:021
957451995951,5cyclictest986257-21latency_hist20:40:011
957449995850,6cyclictest986240-21kworker/u8:0+events_unbound21:00:000
957451995750,5cyclictest1003159-21kworker/u8:2+flush-179:021:55:011
957449995751,5cyclictest1007297-21kworker/u8:1+flush-179:021:59:560
957449995749,6cyclictest1057421-21latency_hist00:20:010
957449995652,3cyclictest1050799-21kworker/u8:3+flush-179:000:20:150
957449995650,4cyclictest981511-21kworker/u8:2+flush-179:020:35:010
957449995650,4cyclictest975106-21kworker/u8:0+flush-179:020:20:210
957451995551,2cyclictest955815-21kworker/u8:0+flush-179:019:20:001
957449995447,4cyclictest986240-21kworker/u8:0+events_unbound20:40:140
957449995446,6cyclictest978297-21latency_hist20:15:020
957449995445,6cyclictest1029555-21kworker/u8:1+flush-179:023:05:000
957451995346,5cyclictest1059010-21latency_hist00:25:011
957451995344,6cyclictest999007-21kworker/u8:1+events_unbound21:20:011
95745199531,50cyclictest1-21systemd19:30:011
957449995347,5cyclictest999007-21kworker/u8:1+flush-179:021:20:240
957449995347,5cyclictest986240-21kworker/u8:0+flush-179:020:45:210
957449995344,7cyclictest1047546-21latency_hist23:50:010
957449995246,4cyclictest1033008-21kworker/u8:0+flush-179:023:30:220
957449995243,6cyclictest955815-21kworker/u8:0+flush-179:019:15:220
957456995143,6cyclictest994264-21turbostat21:05:013
957456995143,6cyclictest994264-21turbostat21:05:003
957451995147,3cyclictest1036179-21kworker/u8:4+flush-179:023:19:551
957451995145,5cyclictest1025299-21kworker/u8:0+flush-179:022:45:011
957449995146,4cyclictest975106-21kworker/u8:0+flush-179:020:05:210
957449995145,5cyclictest994530-21apt-get21:05:100
957451995044,4cyclictest996112-21apt-get21:10:111
957451995044,4cyclictest994236-21apt-get21:05:011
957451995044,4cyclictest994236-21apt-get21:05:001
957451995042,6cyclictest970348-21latency_hist19:50:011
957451995034,14cyclictest986240-21kworker/u8:0+flush-179:021:00:011
957451994943,5cyclictest965299-21kworker/u8:3+flush-179:019:40:161
957449994943,4cyclictest1007297-21kworker/u8:1+flush-179:021:50:150
957449994942,5cyclictest1021572-21latency_hist22:30:010
957451994838,7cyclictest266-21systemd-journal23:02:031
957449994845,2cyclictest1013600-21kworker/u8:0+events_unbound22:05:190
4577091480,13ptp4l441ktimers/319:10:013
957451994742,4cyclictest981511-21kworker/u8:2+flush-179:020:45:231
957451994738,7cyclictest970586-21/usr/sbin/munin19:50:231
957449994640,4cyclictest986240-21kworker/u8:0+flush-179:021:30:130
957454994542,2cyclictest0-21swapper/221:55:592
957451994538,5cyclictest970383-21kworker/u8:2+flush-179:020:00:001
957451994537,6cyclictest1046201-21/usr/sbin/munin23:45:231
957451994537,5cyclictest1063789-21latency_hist00:40:011
957451994537,5cyclictest1003159-21kworker/u8:2+events_unbound22:15:221
957449994539,5cyclictest961624-21kworker/u8:2+flush-179:019:30:010
957449994538,6cyclictest1047531-21kworker/u8:1+flush-179:023:55:000
957449994538,5cyclictest967720-21diskstats19:40:150
95745499440,41cyclictest0-21swapper/223:20:002
957451994439,3cyclictest1003159-21kworker/u8:2+flush-179:021:30:191
957449994438,5cyclictest1020021-21kworker/u8:3+flush-179:022:55:210
957449994438,5cyclictest1020021-21kworker/u8:3+flush-179:022:40:130
957449994436,6cyclictest965299-21kworker/u8:3+events_unbound19:50:190
957449994436,6cyclictest1026395-21kworker/u8:2+flush-179:023:05:200
957451994310,30cyclictest1060850-21apt-get00:30:121
957449994339,3cyclictest955871-21kworker/u8:3+flush-179:019:20:200
957449994335,6cyclictest981511-21kworker/u8:2+flush-179:020:35:210
957456994240,1cyclictest0-21swapper/321:56:003
95745699420,40cyclictest1042782-21turbostat23:39:553
957451994241,1cyclictest0-21swapper/121:26:591
957451994238,3cyclictest1041177-21cron23:30:001
957451994237,3cyclictest714-21Xorg23:05:591
957449994237,4cyclictest1003159-21kworker/u8:2+flush-179:021:35:190
95744999420,40cyclictest1060599-21turbostat00:34:550
957454994137,2cyclictest0-21swapper/200:13:592
957451994135,4cyclictest1050799-21kworker/u8:3+flush-179:000:15:051
957451994134,6cyclictest1052622-21/usr/sbin/munin00:05:231
957456994034,5cyclictest1005668-21turbostat21:44:553
95745699400,38cyclictest963740-21turbostat19:30:003
957451994034,5cyclictest266-21systemd-journal19:35:031
95745199401,37cyclictest714-21Xorg21:06:591
957449994035,3cyclictest994318-21kworker/u8:3+events_unbound21:10:130
957449994032,6cyclictest965311-21latency_hist19:35:010
957456993933,5cyclictest984667-21turbostat20:35:013
95745499390,36cyclictest0-21swapper/221:44:542
95745499390,36cyclictest0-21swapper/219:42:592
95745499390,2cyclictest0-21swapper/223:55:592
95745499390,29cyclictest0-21swapper/222:40:012
95745199390,37cyclictest714-21Xorg22:12:001
957449993933,4cyclictest999007-21kworker/u8:1+flush-179:021:25:050
957449993929,7cyclictest1045946-21kworker/u8:2+flush-179:000:25:210
957449993929,7cyclictest1045946-21kworker/u8:2+flush-179:000:25:210
95744999391,37cyclictest211irq_work/021:49:590
95745699380,36cyclictest0-21swapper/323:55:593
95745499380,36cyclictest0-21swapper/220:48:582
95745499380,30cyclictest0-21swapper/221:37:592
95745499380,30cyclictest0-21swapper/220:35:592
957451993834,3cyclictest1015219-21cut22:10:001
957449993834,3cyclictest1044335-21kworker/u8:1+events_unbound23:40:210
95745699370,36cyclictest0-21swapper/300:27:593
95745699370,36cyclictest0-21swapper/300:27:593
95745699370,35cyclictest0-21swapper/320:35:593
957454993733,2cyclictest0-21swapper/220:19:562
95745499370,35cyclictest0-21swapper/221:03:582
95745499370,35cyclictest0-21swapper/221:03:582
95745499370,35cyclictest0-21swapper/220:35:012
95745499370,2cyclictest0-21swapper/200:27:592
95745499370,2cyclictest0-21swapper/200:27:582
957451993733,3cyclictest1021610-21systemd-run22:30:001
957451993732,4cyclictest1023142-21kworker/u8:1+flush-179:022:39:551
957451993728,7cyclictest266-21systemd-journal20:25:001
95745199370,36cyclictest0-21swapper/122:49:591
957449993733,3cyclictest986240-21kworker/u8:0+flush-179:021:00:270
957449993733,3cyclictest986240-21kworker/u8:0+flush-179:021:00:260
95744999370,36cyclictest0-21swapper/022:53:590
95744999370,1cyclictest0-21swapper/023:13:590
957456993634,1cyclictest0-21swapper/321:14:543
957456993634,1cyclictest0-21swapper/320:06:593
957456993634,1cyclictest0-21swapper/300:39:593
957456993634,1cyclictest0-21swapper/300:13:593
957456993633,2cyclictest0-21swapper/323:23:593
95745699360,35cyclictest0-21swapper/320:20:583
95745499360,1cyclictest0-21swapper/200:23:592
957451993628,6cyclictest1044632-21apt-get23:40:121
957451993625,8cyclictest1019986-21latency_hist22:25:011
957451993625,8cyclictest1019986-21latency_hist22:25:001
957456993533,1cyclictest0-21swapper/322:31:003
957456993533,1cyclictest0-21swapper/320:49:553
95745699350,34cyclictest0-21swapper/319:44:003
95745699350,1cyclictest0-21swapper/319:22:593
957454993532,2cyclictest0-21swapper/223:39:582
957454993531,2cyclictest0-21swapper/200:05:592
95745499350,1cyclictest0-21swapper/220:29:592
957451993530,4cyclictest1039401-21kworker/u8:2+events_unbound23:35:231
957449993528,5cyclictest1037744-21latency_hist23:20:000
957451993429,4cyclictest1003159-21kworker/u8:2+events_unbound22:00:231
957451993426,6cyclictest1004105-21kworker/u8:3+flush-179:021:40:011
957451993328,4cyclictest965299-21kworker/u8:3+events_unbound20:00:201
957456993230,1cyclictest0-21swapper/320:19:563
957454993228,2cyclictest0-21swapper/219:56:592
957451993227,4cyclictest1-21systemd19:33:301
957456993128,2cyclictest0-21swapper/300:05:593
95745699310,29cyclictest0-21swapper/322:00:133
957454993127,2cyclictest0-21swapper/220:51:592
957451993128,2cyclictest965299-21kworker/u8:3+events_unbound20:10:191
957451993123,6cyclictest936562-21kworker/u8:2+flush-179:019:10:201
95745199311,29cyclictest0-21swapper/120:15:131
957456993028,1cyclictest0-21swapper/323:27:593
957456993027,2cyclictest0-21swapper/322:35:133
957456993026,2cyclictest0-21swapper/322:25:133
95745699300,2cyclictest0-21swapper/321:20:143
957454993027,2cyclictest0-21swapper/223:51:592
957454993027,2cyclictest0-21swapper/200:37:002
957454993027,2cyclictest0-21swapper/200:15:112
957451993024,4cyclictest965299-21kworker/u8:3+flush-179:020:25:161
957451993024,4cyclictest266-21systemd-journal20:51:371
957451993023,5cyclictest1020021-21kworker/u8:3+events_unbound22:30:111
95745199301,27cyclictest1055822-21cron00:15:001
4577091300,7ptp4l441ktimers/322:45:003
957456992927,1cyclictest0-21swapper/300:22:003
957456992926,2cyclictest0-21swapper/323:40:133
957456992926,2cyclictest0-21swapper/323:00:133
957456992926,2cyclictest0-21swapper/319:35:033
95745699290,27cyclictest0-21swapper/323:45:133
95745699290,27cyclictest0-21swapper/322:55:133
95745699290,27cyclictest0-21swapper/322:50:123
95745699290,27cyclictest0-21swapper/319:45:113
95745699290,27cyclictest0-21swapper/300:15:113
95745699290,21cyclictest0-21swapper/322:20:123
95745699290,21cyclictest0-21swapper/322:20:123
95745699290,1cyclictest0-21swapper/321:15:133
957454992926,2cyclictest0-21swapper/221:15:132
957454992926,2cyclictest0-21swapper/220:04:552
957454992925,2cyclictest0-21swapper/222:46:592
957454992925,2cyclictest0-21swapper/200:00:592
95745499290,2cyclictest0-21swapper/223:45:132
95745499290,2cyclictest0-21swapper/223:40:132
95745499290,2cyclictest0-21swapper/222:00:132
95745499290,27cyclictest0-21swapper/223:25:022
95745499290,27cyclictest0-21swapper/223:00:022
95745499290,27cyclictest0-21swapper/222:50:122
95745499290,27cyclictest0-21swapper/222:20:132
95745499290,27cyclictest0-21swapper/222:20:122
95745499290,27cyclictest0-21swapper/221:50:112
95745499290,27cyclictest0-21swapper/221:20:012
95745499290,27cyclictest0-21swapper/221:05:112
95745499290,27cyclictest0-21swapper/220:55:122
95745499290,27cyclictest0-21swapper/220:20:122
95745499290,27cyclictest0-21swapper/219:15:122
95745499290,21cyclictest0-21swapper/222:55:132
957451992926,2cyclictest714-21Xorg23:21:591
4577091290,7ptp4l441ktimers/323:15:013
95745699280,27cyclictest0-21swapper/320:55:123
95745699280,27cyclictest0-21swapper/320:55:003
95745699280,27cyclictest0-21swapper/320:25:123
95745699280,27cyclictest0-21swapper/319:15:123
95745699280,26cyclictest0-21swapper/321:25:123
957454992825,2cyclictest0-21swapper/222:25:132
957454992825,2cyclictest0-21swapper/221:11:002
957454992825,2cyclictest0-21swapper/220:10:122
957454992825,2cyclictest0-21swapper/219:25:132
95745499280,2cyclictest0-21swapper/221:25:132
95745499280,2cyclictest0-21swapper/219:45:122
95745499280,2cyclictest0-21swapper/219:35:032
957451992821,4cyclictest0-21swapper/100:27:591
957451992821,4cyclictest0-21swapper/100:27:581
4577091280,8ptp4l61490irq/134-eno1-TxRx-022:50:013
4577091280,7ptp4l441ktimers/321:35:003
4577091280,7ptp4l441ktimers/320:44:593
4577091280,6ptp4l61490irq/134-eno1-TxRx-020:05:003
4577091280,6ptp4l441ktimers/322:20:013
4577091280,6ptp4l441ktimers/322:15:003
4577091280,6ptp4l441ktimers/319:35:003
4577091280,5ptp4l441ktimers/300:05:013
957456992725,1cyclictest0-21swapper/323:51:593
957456992725,1cyclictest0-21swapper/319:56:593
95745699270,26cyclictest0-21swapper/321:50:123
95745699270,26cyclictest0-21swapper/321:05:113
95745499270,25cyclictest0-21swapper/223:13:592
95745499270,25cyclictest0-21swapper/221:30:592
4577091270,6ptp4l441ktimers/323:34:563
4577091270,6ptp4l441ktimers/321:40:013
957456992624,1cyclictest0-21swapper/323:15:103
957456992624,1cyclictest0-21swapper/320:10:123
95745699260,25cyclictest0-21swapper/319:10:233
95745699260,18cyclictest0-21swapper/321:46:583
957454992623,2cyclictest0-21swapper/219:10:152
957454992622,2cyclictest0-21swapper/223:33:002
95745499260,24cyclictest0-21swapper/219:30:122
95745499260,24cyclictest0-21swapper/219:20:032
95745499250,2cyclictest0-21swapper/223:10:002
95745499250,2cyclictest0-21swapper/221:46:592
95745499250,1cyclictest0-21swapper/220:10:012
4577091250,5ptp4l441ktimers/322:10:003
4577091250,4ptp4l61490irq/134-eno1-TxRx-023:09:563
95745699240,23cyclictest0-21swapper/300:31:593
957454992421,2cyclictest0-21swapper/222:12:582
957454992421,2cyclictest0-21swapper/220:41:002
957454992420,2cyclictest0-21swapper/223:20:592
95745499240,1cyclictest0-21swapper/222:34:592
231999240,14rtkit-daemon3949371-21munin-node19:05:110
957454992320,2cyclictest0-21swapper/222:40:592
957454992320,2cyclictest0-21swapper/222:15:582
957454992320,2cyclictest0-21swapper/222:07:002
4577091230,3ptp4l61490irq/134-eno1-TxRx-019:54:563
957454992118,2cyclictest0-21swapper/219:54:582
9574549985,2cyclictest0-21swapper/200:31:532
9574549940,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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