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2026-01-14 - 12:42
[ 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 Jan 14, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36132319911398,11cyclictest3709968-21cat00:10:011
361322999112104,5cyclictest3622675-21latency_hist19:40:010
36132319910899,6cyclictest3611645-21kworker/u8:0+flush-179:020:25:001
36132299910493,8cyclictest3632220-21latency_hist20:10:010
3613231999387,5cyclictest3643662-21kworker/u8:1+events_unbound21:05:241
3613231998982,5cyclictest3692817-21kworker/u8:0+events_unbound23:25:001
3613229998983,4cyclictest3679177-21apt-get22:35:020
3613231998883,4cyclictest3696922-21kworker/u8:2+events_unbound23:45:251
3613231998883,4cyclictest3696922-21kworker/u8:2+events_unbound23:45:241
3613229998779,5cyclictest1-21systemd23:10:000
3613231998580,4cyclictest3658436-21kworker/u8:0+events_unbound21:40:231
3613231998578,6cyclictest3611645-21kworker/u8:0+events_unbound20:30:231
3613229998575,7cyclictest3654766-21latency_hist21:20:010
3613231998175,5cyclictest3667981-21kworker/u8:0+events_unbound22:03:221
3613231998175,5cyclictest3667981-21kworker/u8:0+events_unbound22:03:221
3613231998174,5cyclictest3682598-21kworker/u8:1+flush-179:022:50:191
3613231998073,5cyclictest3716376-21kworker/u8:2+events_unbound00:30:011
3613231998072,6cyclictest3695333-21kworker/u8:1+events_unbound23:30:191
3613231998070,8cyclictest3611645-21kworker/u8:0+flush-179:019:35:011
3613231997872,5cyclictest3696922-21kworker/u8:2+flush-179:023:50:241
3613231997872,5cyclictest3696922-21kworker/u8:2+events_unbound23:35:231
3613231997872,5cyclictest3615816-21kworker/u8:1+events_unbound19:40:231
3613231997869,7cyclictest3664598-21kworker/u8:3+events_unbound21:55:151
3613231997869,6cyclictest3658198-21latency_hist21:30:021
3613231997767,7cyclictest3668060-21kworker/u8:2+events_unbound22:20:261
3613229997769,6cyclictest3659787-21latency_hist21:35:020
3613231997663,4cyclictest3611645-21kworker/u8:0+events_unbound19:45:241
3613231997570,4cyclictest3714788-21kworker/u8:1+events_unbound00:25:231
3613231997570,4cyclictest3700215-21kworker/u8:0+events_unbound00:04:021
3613231997566,6cyclictest3638829-21kworker/u8:2+events_unbound20:55:181
3613229997567,5cyclictest3666149-21latency_hist21:55:020
3613229997544,30cyclictest0-21swapper/019:32:590
3613231997468,4cyclictest3643608-21kworker/u8:0+events_unbound20:45:211
3613231997465,4cyclictest3638829-21kworker/u8:2+events_unbound20:35:141
3613231997369,3cyclictest3658436-21kworker/u8:0+events_unbound21:30:201
3613231997368,4cyclictest3718287-21kworker/u8:3+events_unbound00:35:141
3613231997368,3cyclictest3682598-21kworker/u8:1+flush-179:022:45:151
3613231997365,3cyclictest3615816-21kworker/u8:1+events_unbound19:50:241
3613229997366,5cyclictest3611645-21kworker/u8:0+flush-179:020:30:150
3613231997265,5cyclictest3700215-21kworker/u8:0+events_unbound00:20:191
3613231997165,4cyclictest3638829-21kworker/u8:2+events_unbound20:40:231
3613231997065,4cyclictest3638829-21kworker/u8:2+events_unbound21:20:211
3613231997065,4cyclictest3611645-21kworker/u8:0+events_unbound19:25:241
3613231997064,4cyclictest3611645-21kworker/u8:0+events_unbound20:05:231
3613231997062,6cyclictest3635664-21latency_hist20:20:011
3613231996965,3cyclictest3689027-21kworker/u8:1+flush-179:023:15:001
3613231996964,4cyclictest3615816-21kworker/u8:1+flush-179:019:55:241
3613231996963,5cyclictest3711639-21kworker/u8:3+events_unbound00:15:141
3613231996959,7cyclictest3649992-21latency_hist21:05:001
3613229996956,10cyclictest3679177-21apt-get22:35:000
3613231996762,4cyclictest3608574-21kworker/u8:2+flush-179:019:10:161
3613231996755,5cyclictest3696922-21kworker/u8:2+events_unbound23:40:131
3613231996661,4cyclictest3695333-21kworker/u8:1+flush-179:023:25:231
3613229996664,1cyclictest0-21swapper/022:00:590
3613229996664,1cyclictest0-21swapper/022:00:580
3613231996459,3cyclictest3661359-21kworker/u8:1+events_unbound21:50:151
3613231996458,4cyclictest3700215-21kworker/u8:0+events_unbound00:10:161
3613229996456,6cyclictest3629030-21latency_hist20:00:010
3613231996358,4cyclictest3668060-21kworker/u8:2+flush-179:022:10:241
3613231996355,3cyclictest3687350-21kworker/u8:3+events_unbound23:00:221
3613231996249,5cyclictest3667981-21kworker/u8:0+events_unbound22:05:161
3613231996056,3cyclictest3638829-21kworker/u8:2+events_unbound21:45:191
3613231996056,3cyclictest3611645-21kworker/u8:0+flush-179:020:25:301
3613231996052,3cyclictest3676026-21kworker/u8:1+events_unbound22:25:261
3613229996040,7cyclictest3702002-21/usr/sbin/munin23:45:170
3613229996040,7cyclictest3702002-21/usr/sbin/munin23:45:170
3613231995953,5cyclictest3667981-21kworker/u8:0+flush-179:022:15:211
3613229995950,7cyclictest3648659-21apt-get21:00:120
3613229995947,9cyclictest3616556-21/usr/sbin/munin19:20:210
3613231995849,4cyclictest3696922-21kworker/u8:2+events_unbound23:55:231
3613231995849,4cyclictest3676026-21kworker/u8:1+events_unbound22:30:221
3613231995752,4cyclictest3679155-21kworker/u8:0+events_unbound22:40:191
3613231995751,5cyclictest3668060-21kworker/u8:2+events_unbound22:35:171
3613231995751,4cyclictest3611645-21kworker/u8:0+flush-179:020:10:201
3613231995746,4cyclictest3643662-21kworker/u8:1+events_unbound20:50:191
3613229995754,2cyclictest714-21Xorg21:55:580
3613231995653,2cyclictest3682598-21kworker/u8:1+flush-179:022:55:261
3613229995645,8cyclictest3630635-21latency_hist20:05:010
3613231995450,3cyclictest3611645-21kworker/u8:0+flush-179:020:00:241
3613231995449,4cyclictest3615816-21kworker/u8:1+events_unbound19:15:231
3613231995448,4cyclictest3684237-21kworker/u8:2+events_unbound23:05:191
3613231995446,3cyclictest3611645-21kworker/u8:0+events_unbound19:20:181
3613229995342,8cyclictest3709785-21apt-get00:10:010
3613229995247,4cyclictest3700215-21kworker/u8:0+events_unbound00:20:000
3613229995246,4cyclictest508-21in:imuxsock00:04:000
3613229995242,8cyclictest3651830-21apt-get21:10:120
3613229995242,7cyclictest3675991-21latency_hist22:25:020
3613229995240,9cyclictest3713482-21apt-get00:20:100
3613229995239,10cyclictest266-21systemd-journal00:10:010
3613235995047,2cyclictest0-21swapper/319:21:593
3613231995041,4cyclictest3615816-21kworker/u8:1+flush-179:019:39:561
3613229995044,4cyclictest3682598-21kworker/u8:1+flush-179:022:55:190
3613229995041,7cyclictest3616315-21latency_hist19:20:010
3613235994947,1cyclictest0-21swapper/320:10:003
3613231994945,3cyclictest3655211-21apt-key21:20:001
4577091480,13ptp4l61490irq/134-eno1-TxRx-019:10:003
3613229994742,4cyclictest3684237-21kworker/u8:2+flush-179:023:10:130
361323499460,1cyclictest0-21swapper/219:35:012
3613229994640,4cyclictest3656614-21latency_hist21:25:000
3613229994538,6cyclictest3671218-21turbostat22:14:540
3613229994537,6cyclictest266-21systemd-journal21:45:380
3613229994536,6cyclictest266-21systemd-journal20:51:390
3613229994535,6cyclictest0-21swapper/023:56:590
3613229994534,6cyclictest0-21swapper/020:57:590
3613229994531,10cyclictest3716412-21apt-get00:30:000
3613231994439,4cyclictest3658436-21kworker/u8:0+events_unbound21:37:391
3613231994436,3cyclictest3684237-21kworker/u8:2+events_unbound23:15:131
3613231994436,3cyclictest3684237-21kworker/u8:2+events_unbound23:15:131
3613229994235,5cyclictest3695333-21kworker/u8:1+events_unbound23:30:000
3613229994232,7cyclictest3682598-21kworker/u8:1+flush-179:022:45:210
3613229994231,9cyclictest3660042-21apt-get21:35:110
3613234994133,7cyclictest0-21swapper/220:12:002
3613229994135,4cyclictest191rcuc/020:28:580
361322999411,38cyclictest714-21Xorg22:51:590
3613229994035,4cyclictest3701795-21systemd-run23:45:010
3613235993937,1cyclictest0-21swapper/319:50:583
3613235993934,4cyclictest3659801-21turbostat21:35:013
3613235993934,4cyclictest3630643-21turbostat20:05:003
361323599390,37cyclictest3625863-21turbostat19:50:003
3613229993936,2cyclictest714-21Xorg23:03:000
3613229993933,4cyclictest3642026-21latency_hist20:40:010
3613229993929,8cyclictest3633817-21apt-get20:15:000
361323499380,36cyclictest0-21swapper/223:47:592
361323499380,36cyclictest0-21swapper/223:47:592
3613229993835,2cyclictest714-21Xorg20:43:590
3613229993835,2cyclictest714-21Xorg00:31:590
3613235993730,6cyclictest0-21swapper/319:58:003
3613235993730,6cyclictest0-21swapper/300:00:593
361323599370,3cyclictest3713219-21turbostat00:20:003
361323599370,36cyclictest0-21swapper/322:55:583
3613234993733,3cyclictest0-21swapper/200:20:002
361323499370,35cyclictest0-21swapper/219:59:582
3613229993734,2cyclictest714-21Xorg22:27:590
3613229993734,2cyclictest0-21swapper/022:06:000
3613229993730,5cyclictest3624270-21latency_hist19:45:010
361322999370,1cyclictest0-21swapper/023:20:000
361322999370,1cyclictest0-21swapper/023:19:590
3613235993634,1cyclictest0-21swapper/323:09:583
3613235993633,2cyclictest0-21swapper/322:11:583
3613235993633,2cyclictest0-21swapper/321:52:003
3613235993632,2cyclictest0-21swapper/323:28:593
361323599360,1cyclictest0-21swapper/320:17:593
3613234993633,2cyclictest0-21swapper/221:07:002
3613234993633,2cyclictest0-21swapper/219:25:002
361323499360,2cyclictest0-21swapper/200:00:012
361323499360,1cyclictest0-21swapper/220:06:592
361323499360,1cyclictest0-21swapper/200:29:552
3613229993633,2cyclictest0-21swapper/023:21:590
3613229993632,3cyclictest714-21Xorg21:25:590
3613229993631,3cyclictest3627479-21systemd-run19:55:010
3613229993628,4cyclictest3634321-21apt-get20:15:150
3613229993622,11cyclictest0-21swapper/021:40:120
3613235993532,2cyclictest0-21swapper/319:12:593
3613235993528,6cyclictest0-21swapper/322:24:593
361323599350,34cyclictest0-21swapper/319:27:593
361323599350,1cyclictest0-21swapper/319:39:593
3613234993532,2cyclictest0-21swapper/222:03:002
3613234993532,2cyclictest0-21swapper/222:02:592
361323499350,1cyclictest0-21swapper/223:14:552
3613231993531,3cyclictest3638829-21kworker/u8:2+events_unbound21:14:471
3613229993532,2cyclictest525-21gdbus23:36:380
3613229993530,4cyclictest3695333-21kworker/u8:1+events_unbound23:30:230
3613229993529,4cyclictest3618160-21apt-get19:25:130
3613229993527,6cyclictest3614710-21latency_hist19:15:010
3613229993525,7cyclictest3700215-21kworker/u8:0+flush-179:023:50:140
361322999351,32cyclictest2304-21lightdm-gtk-gre21:05:130
3613235993432,1cyclictest0-21swapper/300:22:593
3613235993432,1cyclictest0-21swapper/300:08:593
3613234993431,2cyclictest0-21swapper/221:37:002
3613234993431,2cyclictest0-21swapper/219:29:592
3613229993431,2cyclictest0-21swapper/000:36:000
3613235993330,2cyclictest0-21swapper/319:33:583
3613235993330,1cyclictest0-21swapper/320:30:593
361323599330,26cyclictest0-21swapper/321:40:123
3613234993330,2cyclictest0-21swapper/223:07:002
361323499330,1cyclictest0-21swapper/220:25:002
3613235993230,1cyclictest0-21swapper/321:14:593
3613235993230,1cyclictest0-21swapper/321:03:593
361323599320,1cyclictest0-21swapper/300:32:593
3613234993230,1cyclictest0-21swapper/219:39:592
3613234993229,2cyclictest0-21swapper/220:17:582
3613234993229,2cyclictest0-21swapper/219:48:592
3613229993227,3cyclictest3681284-21apt-get22:40:140
361322999321,3cyclictest0-21swapper/019:45:120
3613235993129,1cyclictest0-21swapper/321:20:593
3613235993129,1cyclictest0-21swapper/321:09:593
3613235993126,4cyclictest3701767-21turbostat23:45:003
361323599310,30cyclictest0-21swapper/323:55:133
361323599310,2cyclictest0-21swapper/322:25:153
361323599310,2cyclictest0-21swapper/320:55:133
361323599310,29cyclictest0-21swapper/323:50:123
3613234993128,2cyclictest0-21swapper/222:55:582
3613234993128,2cyclictest0-21swapper/221:59:562
3613234993124,6cyclictest0-21swapper/220:55:132
361323499310,21cyclictest0-21swapper/222:25:142
3613229993121,6cyclictest0-21swapper/020:25:000
3613235993027,2cyclictest0-21swapper/300:36:593
3613235993024,5cyclictest3638857-21turbostat20:29:593
3613235993014,4cyclictest3633814-21turbostat20:15:003
361323599300,29cyclictest0-21swapper/322:05:143
3613234993027,2cyclictest0-21swapper/219:50:592
3613234993024,5cyclictest0-21swapper/221:40:132
3613234993024,5cyclictest0-21swapper/200:01:592
361323499300,29cyclictest0-21swapper/222:35:012
361323499300,28cyclictest0-21swapper/220:25:192
361323499300,28cyclictest0-21swapper/200:30:022
3613229993025,3cyclictest0-21swapper/022:20:000
4577091290,7ptp4l441ktimers/323:10:013
4577091290,6ptp4l441ktimers/320:50:013
3613235992926,2cyclictest0-21swapper/320:39:553
361323599290,27cyclictest0-21swapper/322:15:123
361323599290,26cyclictest0-21swapper/321:55:033
361323599290,1cyclictest0-21swapper/322:35:013
3613234992926,2cyclictest0-21swapper/223:50:122
3613234992926,2cyclictest0-21swapper/222:15:132
3613234992926,2cyclictest0-21swapper/221:20:022
3613234992926,2cyclictest0-21swapper/220:54:592
361323499290,28cyclictest0-21swapper/221:50:122
361323499290,27cyclictest0-21swapper/223:43:002
361323499290,27cyclictest0-21swapper/222:40:132
361323499290,27cyclictest0-21swapper/222:20:132
361323499290,27cyclictest0-21swapper/221:15:132
361323499290,27cyclictest0-21swapper/221:00:142
361323499290,27cyclictest0-21swapper/220:41:002
361323499290,27cyclictest0-21swapper/200:10:022
4577091280,6ptp4l441ktimers/321:29:553
4577091280,6ptp4l441ktimers/320:45:013
3613235992826,1cyclictest0-21swapper/323:45:133
3613235992826,1cyclictest0-21swapper/323:45:133
3613235992826,1cyclictest0-21swapper/321:15:133
3613235992822,4cyclictest3645221-21turbostat20:49:593
361323599280,26cyclictest0-21swapper/323:15:133
361323599280,26cyclictest0-21swapper/323:15:123
361323599280,26cyclictest0-21swapper/322:40:143
361323599280,26cyclictest0-21swapper/322:30:113
361323599280,26cyclictest0-21swapper/321:35:133
361323599280,26cyclictest0-21swapper/300:10:023
361323499280,2cyclictest0-21swapper/223:28:592
361323499280,27cyclictest0-21swapper/222:05:132
361323499280,26cyclictest0-21swapper/222:30:122
361323499280,26cyclictest0-21swapper/221:14:582
361323499280,26cyclictest0-21swapper/220:00:122
361323499280,26cyclictest0-21swapper/200:08:592
361323499280,21cyclictest0-21swapper/223:15:132
361323499280,21cyclictest0-21swapper/223:15:132
361323499280,19cyclictest0-21swapper/223:34:552
4577091270,7ptp4l441ktimers/322:04:593
4577091270,7ptp4l441ktimers/322:04:593
4577091270,6ptp4l61490irq/134-eno1-TxRx-023:25:003
4577091270,6ptp4l61490irq/134-eno1-TxRx-019:20:003
4577091270,6ptp4l441ktimers/323:35:003
4577091270,5ptp4l441ktimers/321:49:553
3613235992725,1cyclictest0-21swapper/323:38:003
361323599270,26cyclictest0-21swapper/319:43:593
3613234992725,1cyclictest0-21swapper/221:35:002
3613234992724,2cyclictest0-21swapper/219:13:592
3613234992724,2cyclictest0-21swapper/200:36:592
3613234992723,3cyclictest0-21swapper/222:11:592
4577091260,5ptp4l441ktimers/323:05:013
3613234992623,2cyclictest0-21swapper/219:15:592
3613234992623,2cyclictest0-21swapper/200:22:592
361323499260,24cyclictest0-21swapper/223:21:002
361323499260,24cyclictest0-21swapper/222:49:002
361323499260,24cyclictest0-21swapper/220:31:592
3613229992624,1cyclictest0-21swapper/020:47:580
4577091250,5ptp4l61490irq/134-eno1-TxRx-022:54:563
4577091250,5ptp4l61490irq/134-eno1-TxRx-022:49:563
4577091250,5ptp4l61490irq/134-eno1-TxRx-020:24:563
361323499250,2cyclictest0-21swapper/223:00:592
231999250,14rtkit-daemon23940-21sendmail-mta19:05:150
4577091240,4ptp4l441ktimers/300:30:003
3613234992220,1cyclictest0-21swapper/220:49:592
3613234992219,2cyclictest0-21swapper/221:45:142
3613234992219,2cyclictest0-21swapper/219:43:592
3613234992117,2cyclictest0-21swapper/220:39:552
3613234991916,2cyclictest0-21swapper/223:37:592
361323199190,17cyclictest3613232-21cat19:10:021
361323499118,2cyclictest0-21swapper/219:10:022
36132349984,2cyclictest0-21swapper/221:28:582
36132349961,4cyclictest3684214-21turbostat22:54:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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