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2026-01-18 - 08:13
[ 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 Sun Jan 18, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2313988999586,6cyclictest2345980-21latency_hist20:50:001
2313986999083,4cyclictest2328699-21kworker/u8:2+flush-179:020:20:000
2313986998879,7cyclictest2396111-21kworker/u8:0+flush-179:023:40:000
2313988998778,7cyclictest2346216-21/usr/sbin/munin20:50:231
2313986998678,6cyclictest2384948-21kworker/u8:0+events_unbound23:10:000
2313988998461,20cyclictest2415824-21latency_hist00:35:001
2313988998072,5cyclictest2307844-21kworker/u8:1+events_unbound19:20:011
2313986998071,7cyclictest2351044-21kworker/u8:2+flush-179:021:20:010
2313986998071,6cyclictest2339646-21kworker/u8:1+flush-179:020:50:150
2313988997965,11cyclictest2383139-21apt-get22:50:001
2313986997969,8cyclictest2363722-21kworker/u8:1+events_unbound22:20:000
2313986997871,5cyclictest2389788-21kworker/u8:1+flush-179:023:20:250
2313986997770,5cyclictest2384959-21kworker/u8:2+events_unbound22:55:010
2313988997667,6cyclictest2404078-21latency_hist23:55:011
2313988997652,21cyclictest2330072-21latency_hist20:00:011
2313986997670,4cyclictest2408947-21kworker/u8:1+flush-179:000:10:240
2313988997567,5cyclictest2399577-21kworker/u8:1+flush-179:023:50:001
2313988997565,7cyclictest2394536-21latency_hist23:25:011
2313986997567,6cyclictest2341199-21latency_hist20:35:010
231398699741,70cyclictest1-21systemd00:00:000
2313988997365,6cyclictest2334829-21latency_hist20:15:011
2313986997367,4cyclictest2339646-21kworker/u8:1+events_unbound21:05:310
2313986997362,5cyclictest2376791-21kworker/u8:2+events_unbound22:45:000
2313986997263,6cyclictest2415552-21latency_hist00:30:010
2313988997164,4cyclictest2351044-21kworker/u8:2+events_unbound21:25:211
2313988997164,4cyclictest2351044-21kworker/u8:2+events_unbound21:25:201
2313986997065,4cyclictest2363722-21kworker/u8:1+flush-179:022:15:010
2313986997063,4cyclictest2328699-21kworker/u8:2+events_unbound19:55:140
2313986997060,8cyclictest2375425-21apt-get22:25:120
2313988996947,20cyclictest2368801-21latency_hist22:05:021
2313986996964,3cyclictest2328699-21kworker/u8:2+events_unbound20:45:150
2313986996962,5cyclictest2391598-21kworker/u8:3+events_unbound00:20:010
231398699690,2cyclictest211irq_work/021:13:590
2313986996863,4cyclictest2363722-21kworker/u8:1+events_unbound22:30:210
2313988996742,23cyclictest3782548-21cups-browsed00:00:001
2313986996761,4cyclictest2391598-21kworker/u8:3+events_unbound23:40:230
2313986996759,6cyclictest2376791-21kworker/u8:2+events_unbound22:35:130
2313986996759,5cyclictest2339646-21kworker/u8:1+events_unbound21:05:010
2313988996643,20cyclictest2351260-21/usr/sbin/munin21:10:251
2313986996660,4cyclictest2400943-21kworker/u8:2+flush-179:000:05:260
2313986996660,4cyclictest2369851-21kworker/u8:0+events_unbound22:05:230
2313986996659,4cyclictest2405728-21kworker/u8:0+flush-179:000:00:200
2313986996548,7cyclictest2363722-21kworker/u8:1+events_unbound21:55:200
2313988996454,7cyclictest2333246-21latency_hist20:10:011
2313988996360,2cyclictest0-21swapper/123:12:591
2313991996260,1cyclictest0-21swapper/220:44:592
2313986996257,4cyclictest2354736-21kworker/u8:1+flush-179:021:20:260
2313988996152,7cyclictest2376791-21kworker/u8:2+flush-179:022:40:001
2313986996156,4cyclictest2328699-21kworker/u8:2+flush-179:020:00:260
2313986996156,4cyclictest2320283-21kworker/u8:3+flush-179:019:45:260
4577091600,18ptp4l441ktimers/319:05:593
2313988996054,4cyclictest714-21Xorg23:02:581
2313986996052,6cyclictest2313892-21kworker/u8:0+flush-179:019:30:410
2313986995954,4cyclictest2313892-21kworker/u8:0+events_unbound19:50:150
2313986995752,4cyclictest2391598-21kworker/u8:3+events_unbound23:45:230
2313986995751,4cyclictest2367244-21kworker/u8:3+flush-179:022:20:160
2313986995751,4cyclictest2351044-21kworker/u8:2+flush-179:021:35:210
2313992995652,2cyclictest0-21swapper/323:12:593
2313988995652,2cyclictest0-21swapper/120:42:591
2313988995648,6cyclictest2391598-21kworker/u8:3+flush-179:023:30:231
2313986995650,4cyclictest2389788-21kworker/u8:1+events_unbound23:20:010
2313986995645,8cyclictest266-21systemd-journal19:30:000
2313988995533,20cyclictest266-21systemd-journal21:43:581
2313986995546,7cyclictest266-21systemd-journal23:25:590
2313986995450,3cyclictest2351044-21kworker/u8:2+flush-179:021:34:550
2313992995350,2cyclictest0-21swapper/321:13:593
2313988995336,5cyclictest2320283-21kworker/u8:3+flush-179:019:35:261
2313986995348,4cyclictest2384948-21kworker/u8:0+flush-179:023:10:260
2313986995345,5cyclictest2351001-21kworker/u8:0+events_unbound21:25:140
2313986995345,5cyclictest2351001-21kworker/u8:0+events_unbound21:25:140
2313986995344,6cyclictest2339646-21kworker/u8:1+flush-179:020:40:230
2313986995246,4cyclictest2399577-21kworker/u8:1+events_unbound23:50:250
2313988995143,6cyclictest2328699-21kworker/u8:2+events_unbound20:25:231
2313986995147,3cyclictest2391598-21kworker/u8:3+flush-179:023:30:250
2313986995147,3cyclictest2384948-21kworker/u8:0+flush-179:022:55:250
2313986995144,5cyclictest2333224-21kworker/u8:0+flush-179:020:25:000
2313986995143,6cyclictest2416095-21latency_hist00:40:000
2313988995042,6cyclictest2315467-21latency_hist19:15:011
2313988995041,7cyclictest2342812-21latency_hist20:40:021
2313988995034,15cyclictest0-21swapper/122:44:001
2313986995041,6cyclictest2313892-21kworker/u8:0+flush-179:019:15:160
2313988994942,5cyclictest2313892-21kworker/u8:0+events_unbound19:50:021
231398899492,3cyclictest2407595-21apt-get00:05:131
2313986994944,4cyclictest2328699-21kworker/u8:2+flush-179:020:05:210
2313986994943,4cyclictest2333224-21kworker/u8:0+flush-179:020:15:010
2313988994838,8cyclictest2414204-21/usr/sbin/munin00:25:221
2313988994838,8cyclictest2362428-21apt-get21:45:131
2313986994844,3cyclictest2317742-21kworker/u8:2+flush-179:019:20:240
2313986994842,4cyclictest2351044-21kworker/u8:2+events_unbound21:45:250
2313986994839,8cyclictest2341454-21apt-get20:35:090
2313988994742,4cyclictest2405728-21kworker/u8:0+flush-179:000:00:191
2313988994739,6cyclictest2351044-21kworker/u8:2+events_unbound22:00:001
2313986994742,4cyclictest2328699-21kworker/u8:2+events_unbound20:25:220
2313988994637,7cyclictest2313892-21kworker/u8:0+events_unbound19:30:441
231398899461,2cyclictest0-21swapper/120:00:141
2313991994542,2cyclictest0-21swapper/220:37:592
2313988994538,5cyclictest2389788-21kworker/u8:1+events_unbound23:25:231
2313988994520,22cyclictest2359826-21latency21:35:171
231398899450,42cyclictest0-21swapper/120:15:141
2313992994442,1cyclictest0-21swapper/320:42:593
231399199440,42cyclictest0-21swapper/220:14:592
2313988994440,2cyclictest714-21Xorg21:18:001
2313988994440,2cyclictest0-21swapper/122:57:591
2313988994422,20cyclictest2392187-21latency23:15:171
2313986994440,3cyclictest2391598-21kworker/u8:3+flush-179:000:15:260
231399199430,40cyclictest0-21swapper/223:44:552
2313988994334,6cyclictest2317742-21kworker/u8:2+flush-179:019:20:221
231398899430,1cyclictest0-21swapper/122:30:101
2313986994334,7cyclictest2415830-21cron00:35:010
2313988994222,18cyclictest0-21swapper/122:55:001
2313986994236,4cyclictest2320283-21kworker/u8:3+flush-179:019:35:200
2313991994139,1cyclictest0-21swapper/220:35:012
2313988994137,3cyclictest2349211-21systemd-run21:00:011
2313988994136,3cyclictest2326687-21munin-run19:50:011
2313988994133,5cyclictest0-21swapper/121:53:581
231398899411,1cyclictest2323700-21apt-get19:40:131
2313986994138,2cyclictest211irq_work/022:03:580
2313988994036,2cyclictest0-21swapper/100:20:141
2313988994017,21cyclictest0-21swapper/119:25:221
2313986994034,5cyclictest2320283-21kworker/u8:3+events_unbound19:40:140
231398699401,3cyclictest510-21rs:main0
2313988993934,3cyclictest2351044-21kworker/u8:2+flush-179:021:10:001
2313988993930,7cyclictest2367244-21kworker/u8:3+events_unbound22:10:231
2313986993935,3cyclictest2376791-21kworker/u8:2+flush-179:022:45:220
2313992993835,2cyclictest0-21swapper/321:35:593
231399299380,36cyclictest0-21swapper/319:16:593
231399199380,36cyclictest0-21swapper/223:04:592
2313988993830,6cyclictest2367244-21kworker/u8:3+flush-179:022:15:221
2313988993829,5cyclictest0-21swapper/123:06:591
2313988993819,3cyclictest2358418-21ntp_kernel_pll_21:30:211
2313988993818,3cyclictest0-21swapper/121:20:261
2313992993734,2cyclictest0-21swapper/323:18:593
2313991993734,2cyclictest0-21swapper/222:55:012
2313991993734,2cyclictest0-21swapper/220:07:592
231399199370,35cyclictest0-21swapper/223:25:002
231399199370,35cyclictest0-21swapper/223:15:592
231399199370,35cyclictest0-21swapper/222:44:592
231399199370,34cyclictest0-21swapper/221:14:552
2313988993730,5cyclictest2328699-21kworker/u8:2+flush-179:020:35:001
2313986993732,4cyclictest2307844-21kworker/u8:1+events_unbound19:10:240
2313992993635,1cyclictest0-21swapper/321:47:593
2313992993634,1cyclictest0-21swapper/322:39:553
2313992993634,1cyclictest0-21swapper/320:46:003
231399299360,1cyclictest0-21swapper/323:30:593
2313991993634,1cyclictest0-21swapper/220:05:002
231399199360,1cyclictest0-21swapper/223:35:002
2313988993630,4cyclictest2410597-21latency_hist00:15:011
2313988993615,3cyclictest2370108-21xargs22:05:241
2313992993533,1cyclictest0-21swapper/323:56:593
2313991993533,1cyclictest0-21swapper/222:19:592
2313991993533,1cyclictest0-21swapper/221:50:002
2313991993532,2cyclictest0-21swapper/219:29:552
2313991993531,2cyclictest0-21swapper/221:37:592
231399199350,1cyclictest0-21swapper/219:16:592
231399199350,1cyclictest0-21swapper/200:37:592
2313988993531,3cyclictest482-21avahi-daemon00:20:001
2313988993527,5cyclictest0-21swapper/120:21:591
2313986993529,4cyclictest2351001-21kworker/u8:0+events_unbound21:40:130
2313992993432,1cyclictest0-21swapper/322:49:553
2313992993431,2cyclictest0-21swapper/322:57:593
231399299340,2cyclictest0-21swapper/320:15:133
231399299340,1cyclictest0-21swapper/321:25:133
231399299340,1cyclictest0-21swapper/321:25:123
2313991993432,1cyclictest0-21swapper/219:15:002
2313991993431,2cyclictest0-21swapper/220:51:592
231398899341,12cyclictest2313989-21latency_hist19:10:011
2313992993331,1cyclictest0-21swapper/321:17:593
2313991993331,1cyclictest0-21swapper/222:00:012
2313991993331,1cyclictest0-21swapper/220:50:002
2313991993331,1cyclictest0-21swapper/200:05:002
2313991993329,2cyclictest0-21swapper/221:42:002
231398899333,8cyclictest2304-21lightdm-gtk-gre00:37:591
231398899333,11cyclictest2304-21lightdm-gtk-gre22:25:001
2313988993323,6cyclictest0-21swapper/123:39:001
2313992993230,1cyclictest0-21swapper/319:59:543
2313992993230,1cyclictest0-21swapper/300:29:553
2313992993224,7cyclictest0-21swapper/322:43:593
231399299320,27cyclictest0-21swapper/321:50:143
231399299320,26cyclictest0-21swapper/323:20:133
231399299320,20cyclictest0-21swapper/320:00:143
2313991993230,1cyclictest0-21swapper/200:30:002
2313991993229,2cyclictest0-21swapper/222:10:002
2313991993229,2cyclictest0-21swapper/221:22:582
2313991993229,2cyclictest0-21swapper/221:03:592
2313991993229,2cyclictest0-21swapper/219:46:582
2313992993129,1cyclictest0-21swapper/322:14:003
2313992993125,5cyclictest0-21swapper/319:40:133
2313992993124,6cyclictest0-21swapper/300:05:133
2313991993129,1cyclictest0-21swapper/223:00:002
2313991993128,2cyclictest0-21swapper/221:07:592
2313986993126,3cyclictest2388190-21idleruntime-cro23:05:000
2313992993028,1cyclictest0-21swapper/321:09:553
2313992993028,1cyclictest0-21swapper/320:09:593
2313992993025,4cyclictest0-21swapper/300:31:593
231399299300,28cyclictest0-21swapper/321:30:133
2313991993027,2cyclictest0-21swapper/223:50:132
2313991993027,2cyclictest0-21swapper/223:45:122
2313991993027,2cyclictest0-21swapper/200:15:012
2313992992927,1cyclictest0-21swapper/322:28:003
2313992992923,5cyclictest0-21swapper/322:30:113
231399299290,28cyclictest0-21swapper/300:20:023
231399299290,27cyclictest0-21swapper/323:05:143
2313991992926,2cyclictest0-21swapper/223:10:142
2313991992926,2cyclictest0-21swapper/222:45:112
2313991992926,2cyclictest0-21swapper/222:35:132
2313991992926,2cyclictest0-21swapper/222:10:122
2313991992926,2cyclictest0-21swapper/221:15:142
2313991992926,2cyclictest0-21swapper/220:22:582
231399199290,27cyclictest0-21swapper/200:15:122
2313986992924,4cyclictest2351044-21kworker/u8:2+events_unbound21:50:150
4577091280,7ptp4l441ktimers/321:00:003
4577091280,7ptp4l441ktimers/320:35:013
4577091280,6ptp4l441ktimers/323:30:013
2313992992826,1cyclictest0-21swapper/320:25:593
2313992992826,1cyclictest0-21swapper/320:10:133
2313992992826,1cyclictest0-21swapper/319:45:153
2313992992825,2cyclictest0-21swapper/323:49:553
2313992992825,2cyclictest0-21swapper/323:01:593
2313992992825,2cyclictest0-21swapper/322:05:123
231399299280,2cyclictest0-21swapper/319:20:133
231399299280,26cyclictest0-21swapper/319:35:153
231399299280,26cyclictest0-21swapper/300:00:123
2313991992825,2cyclictest0-21swapper/223:39:592
231399199280,2cyclictest0-21swapper/220:55:132
231399199280,2cyclictest0-21swapper/219:50:032
231399199280,26cyclictest0-21swapper/222:20:122
231399199280,26cyclictest0-21swapper/221:54:592
4577091270,7ptp4l61490irq/134-eno1-TxRx-019:34:553
4577091270,7ptp4l61490irq/134-eno1-TxRx-000:40:003
4577091270,6ptp4l441ktimers/320:55:003
2313992992725,1cyclictest0-21swapper/323:52:593
231399299270,26cyclictest0-21swapper/322:15:133
231399299270,26cyclictest0-21swapper/319:12:593
2313991992725,1cyclictest0-21swapper/223:09:592
2313991992725,1cyclictest0-21swapper/222:00:132
2313991992725,1cyclictest0-21swapper/220:20:002
2313988992722,4cyclictest714-21Xorg22:28:591
4577091260,6ptp4l61490irq/134-eno1-TxRx-023:39:553
4577091260,6ptp4l61490irq/134-eno1-TxRx-022:25:003
4577091260,6ptp4l61490irq/134-eno1-TxRx-022:00:013
4577091260,6ptp4l61490irq/134-eno1-TxRx-021:44:553
4577091260,6ptp4l61490irq/134-eno1-TxRx-021:05:013
4577091260,6ptp4l61490irq/134-eno1-TxRx-019:55:013
4577091260,6ptp4l441ktimers/323:45:003
4577091260,6ptp4l441ktimers/319:29:563
2313992992624,1cyclictest0-21swapper/320:36:583
231399199260,24cyclictest0-21swapper/219:37:592
231399199260,24cyclictest0-21swapper/219:22:022
231399199260,24cyclictest0-21swapper/200:20:142
4577091250,6ptp4l61490irq/134-eno1-TxRx-000:20:003
4577091250,5ptp4l61490irq/134-eno1-TxRx-022:05:003
4577091250,5ptp4l441ktimers/320:24:563
4577091250,5ptp4l441ktimers/300:14:553
2313991992522,2cyclictest0-21swapper/222:28:592
2313991992522,2cyclictest0-21swapper/221:29:562
2313991992522,2cyclictest0-21swapper/221:29:562
2313991992522,2cyclictest0-21swapper/220:25:132
2313991992522,2cyclictest0-21swapper/219:43:592
2313991992521,2cyclictest0-21swapper/219:58:592
231399199250,2cyclictest0-21swapper/200:07:592
2313986992521,3cyclictest0-21swapper/019:10:010
4577091240,5ptp4l441ktimers/322:54:553
4577091240,4ptp4l441ktimers/321:25:013
2313991992421,2cyclictest0-21swapper/222:32:592
2313991992421,2cyclictest0-21swapper/221:34:542
2313988992419,4cyclictest1-21systemd23:41:581
2313991992320,2cyclictest0-21swapper/223:26:592
2313991992320,2cyclictest0-21swapper/200:33:592
2313988992317,5cyclictest714-21Xorg21:01:001
2313991992219,2cyclictest0-21swapper/223:57:592
2313991991512,2cyclictest0-21swapper/219:33:592
23139919920,1cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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