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2026-01-27 - 11:27
[ 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 Tue Jan 27, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23261329910090,8cyclictest2414159-21latency_hist23:45:011
2326132999889,7cyclictest2351544-21latency_hist20:30:001
2326130999479,12cyclictest266-21systemd-journal00:05:000
2326132998668,15cyclictest2396623-21kworker/u8:1+flush-179:023:00:001
2326132998376,4cyclictest2351551-21apt-get20:30:031
2326132998373,7cyclictest266-21systemd-journal22:50:001
2326132998373,7cyclictest266-21systemd-journal22:49:591
2326132998273,7cyclictest2340394-21latency_hist19:55:011
2326132997973,4cyclictest2393455-21latency_hist22:40:011
2326132997969,8cyclictest266-21systemd-journal20:40:011
2326132997831,44cyclictest2329210-21munin-run19:20:001
2326130997665,10cyclictest714-21Xorg21:29:590
2326132997365,6cyclictest266-21systemd-journal19:15:001
2326132997365,5cyclictest2340382-21kworker/u8:2+events_unbound20:20:011
2326130997361,9cyclictest266-21systemd-journal19:45:010
2326130997164,5cyclictest2419254-21kworker/u8:0+flush-179:000:20:000
2326130996960,6cyclictest2410966-21latency_hist23:35:000
2326130996960,6cyclictest2410966-21latency_hist23:35:000
2326132996647,17cyclictest714-21Xorg23:54:001
2326132996359,3cyclictest714-21Xorg23:11:591
2326132996357,5cyclictest2369354-21kworker/u8:2+flush-179:021:35:211
2326132996352,8cyclictest2348626-21apt-get20:20:111
2326132996340,20cyclictest2410946-21kworker/u8:2+events_unbound00:00:011
2326130996354,6cyclictest2430648-21latency_hist00:35:010
2326130996351,10cyclictest2356841-21apt-get20:45:130
2326130996255,5cyclictest2325990-21latency_hist19:10:020
2326130996049,9cyclictest2375688-21latency_hist21:45:000
2326130996049,8cyclictest2424014-21latency_hist00:15:010
2326135995956,2cyclictest0-21swapper/223:44:582
2326135995956,2cyclictest0-21swapper/221:30:002
2326132995950,7cyclictest2422427-21latency_hist00:10:011
2326130995956,2cyclictest714-21Xorg23:41:590
2326132995851,5cyclictest2330835-21kworker/u8:1+flush-179:019:40:011
2326130995850,6cyclictest2387097-21latency_hist22:20:020
2326132995756,1cyclictest0-21swapper/121:33:591
2326132995756,1cyclictest0-21swapper/121:33:581
2326132995751,4cyclictest2338758-21apt-get19:46:571
2326132995749,6cyclictest2411202-21/usr/sbin/munin23:35:221
2326132995746,7cyclictest2410946-21kworker/u8:2+flush-179:023:45:021
2326136995654,1cyclictest0-21swapper/323:43:593
2326132995646,7cyclictest2375666-21kworker/u8:1+flush-179:021:50:201
2326130995651,3cyclictest510-21rs:main0
2326130995649,5cyclictest2396637-21latency_hist22:50:010
2326130995649,5cyclictest2396637-21latency_hist22:50:000
2326130995646,8cyclictest2339061-21apt-get19:50:120
2326130995646,8cyclictest2332642-21apt-get19:30:110
2326132995547,6cyclictest2399840-21kworker/u8:2+flush-179:023:15:241
2326132995547,6cyclictest2359786-21systemd-run20:55:011
2326130995548,6cyclictest2355705-21kworker/u8:0+flush-179:020:55:260
2326132995445,6cyclictest2410099-21kworker/u8:1+flush-179:000:25:011
2326130995449,4cyclictest2400088-21apt-get23:00:100
2326130995445,7cyclictest266-21systemd-journal00:39:210
232613099540,53cyclictest1-21systemd20:33:210
2326132995329,4cyclictest2332642-21apt-get19:30:121
2326130995345,5cyclictest2429053-21latency_hist00:30:000
2326132995243,7cyclictest2380722-21apt-get22:00:111
2326132995139,9cyclictest2375733-21kworker/u8:3+flush-179:022:20:011
2326132995135,4cyclictest2393463-21turbostat22:44:551
2326130995043,5cyclictest2372482-21kworker/u8:0+events_unbound22:10:130
2326130995041,7cyclictest2343590-21latency_hist20:05:010
2326132994947,1cyclictest0-21swapper/122:22:591
2326132994947,1cyclictest0-21swapper/122:22:591
2326132994942,5cyclictest2327639-21kworker/u8:3+flush-179:019:25:161
2326130994942,5cyclictest2410946-21kworker/u8:2+flush-179:023:35:160
2326130994941,6cyclictest2378859-21latency_hist21:55:020
2326130994940,7cyclictest2369354-21kworker/u8:2+flush-179:021:35:020
2326130994940,7cyclictest2369354-21kworker/u8:2+flush-179:021:35:020
2326130994940,7cyclictest2355705-21kworker/u8:0+flush-179:021:05:010
4577091480,13ptp4l441ktimers/319:10:013
2326132994838,8cyclictest266-21systemd-journal19:55:211
2326132994741,5cyclictest2375733-21kworker/u8:3+events_unbound22:30:011
2326132994740,5cyclictest2425898-21kworker/u8:3+events_unbound00:35:001
2326132994736,9cyclictest2364515-21kworker/u8:3+flush-179:021:15:201
2326132994736,8cyclictest266-21systemd-journal22:35:011
2326130994737,8cyclictest2334231-21apt-get19:35:120
2326132994637,6cyclictest2340382-21kworker/u8:2+flush-179:020:10:191
232613299461,41cyclictest2424027-21apt-get00:15:001
2326130994639,6cyclictest2345209-21kworker/u8:1+flush-179:020:15:010
2326130994637,7cyclictest2383641-21latency_hist22:10:000
2326136994540,4cyclictest2327617-21turbostat19:15:003
2326130994535,9cyclictest2403261-21apt-get23:10:110
2326130994535,8cyclictest266-21systemd-journal21:20:000
232613099450,43cyclictest2391861-21munin-run22:35:010
2326132994432,9cyclictest2419254-21kworker/u8:0+flush-179:000:15:021
232613099441,40cyclictest2330805-21munin-run19:25:000
232613299432,39cyclictest2374093-21turbostat21:44:551
2326130994340,2cyclictest0-21swapper/020:36:590
2326130994337,4cyclictest2377273-21latency_hist21:50:010
2326130994335,6cyclictest2387332-21/usr/sbin/munin22:20:220
2326130994335,6cyclictest2387332-21/usr/sbin/munin22:20:210
232613099432,39cyclictest2351556-21perf20:30:000
2326132994235,5cyclictest2372482-21kworker/u8:0+events_unbound21:55:241
2326132994235,5cyclictest2372482-21kworker/u8:0+events_unbound21:55:241
2326132994234,5cyclictest2355705-21kworker/u8:0+flush-179:020:40:201
232613099427,33cyclictest0-21swapper/022:55:120
2326130994234,6cyclictest2334010-21kworker/u8:0+flush-179:020:10:010
2326136994139,1cyclictest0-21swapper/323:29:003
2326136994134,6cyclictest2335580-21turbostat19:40:003
2326132994136,4cyclictest2355705-21kworker/u8:0+events_unbound20:55:261
2326132994131,8cyclictest2409631-21apt-get23:30:111
2326132994131,8cyclictest2409631-21apt-get23:30:101
2326130994136,4cyclictest0-21swapper/021:23:590
232613099411,38cyclictest714-21Xorg20:51:580
2326136994038,1cyclictest0-21swapper/321:29:593
2326136994035,4cyclictest2420853-21turbostat00:05:003
2326136994034,5cyclictest2393463-21turbostat22:40:013
2326132994035,4cyclictest2410099-21kworker/u8:1+flush-179:000:25:211
2326132994034,4cyclictest2377397-21latency_hist21:50:011
2326132994032,6cyclictest2375733-21kworker/u8:3+flush-179:022:15:011
2326132994030,6cyclictest0-21swapper/122:09:591
232613299401,38cyclictest714-21Xorg23:24:591
232613099407,32cyclictest2408045-21apt-get23:25:130
2326130994033,5cyclictest2389224-21diskstats22:25:170
2326130994032,5cyclictest2342001-21latency_hist20:00:010
232613099401,37cyclictest714-21Xorg21:36:580
2326136993934,4cyclictest2338814-21turbostat19:50:013
2326132993928,8cyclictest266-21systemd-journal21:00:211
2326130993935,3cyclictest714-21Xorg23:16:580
2326130993934,4cyclictest2365658-21proc_pri21:10:210
2326130993933,5cyclictest2326255-21kworker/u8:2+flush-179:019:20:000
2326130993929,8cyclictest0-21swapper/000:20:140
2326135993834,2cyclictest0-21swapper/219:57:592
232613599380,36cyclictest0-21swapper/220:35:592
232613599380,35cyclictest0-21swapper/221:53:592
232613599380,35cyclictest0-21swapper/220:06:592
2326132993834,3cyclictest2364515-21kworker/u8:3+flush-179:021:20:251
2326132993833,4cyclictest2334010-21kworker/u8:0+flush-179:019:44:561
2326130993831,5cyclictest2398225-21latency_hist22:55:000
2326136993732,4cyclictest2398235-21turbostat22:55:003
2326136993731,5cyclictest2356589-21turbostat20:45:003
232613699370,36cyclictest0-21swapper/322:58:593
2326132993730,5cyclictest2340382-21kworker/u8:2+flush-179:020:05:221
232613099374,32cyclictest0-21swapper/023:45:120
2326130993731,4cyclictest714-21Xorg23:59:590
2326130993729,5cyclictest0-21swapper/020:40:590
232613099370,1cyclictest0-21swapper/022:38:000
2326136993631,4cyclictest2401435-21turbostat23:05:003
2326136993630,5cyclictest2429057-21turbostat00:30:003
232613599360,1cyclictest0-21swapper/219:36:592
2326132993631,4cyclictest2366155-21kworker/u8:1+flush-179:021:29:561
2326132993631,3cyclictest2419254-21kworker/u8:0+flush-179:000:00:161
2326130993629,5cyclictest510-21rs:main0
4577091350,3ptp4l61490irq/134-eno1-TxRx-000:15:043
2326136993530,4cyclictest2343605-21turbostat20:05:003
2326136993529,5cyclictest2390275-21turbostat22:29:593
2326136993528,6cyclictest2362965-21turbostat21:05:013
2326135993533,1cyclictest0-21swapper/222:04:582
2326135993532,2cyclictest0-21swapper/222:24:562
2326135993532,2cyclictest0-21swapper/222:24:552
232613599350,1cyclictest0-21swapper/223:25:002
232613599350,1cyclictest0-21swapper/220:26:592
2326132993530,3cyclictest2407834-21kworker/u8:3+flush-179:023:25:141
2326132993529,4cyclictest2351522-21kworker/u8:1+flush-179:020:45:191
2326132993528,5cyclictest2396623-21kworker/u8:1+flush-179:023:10:001
2326132993526,7cyclictest2430670-21kworker/u8:2+flush-179:000:40:001
232613299352,5cyclictest2400088-21apt-get23:00:131
2326130993532,2cyclictest2417592-21/usr/sbin/munin23:55:010
2326130993532,2cyclictest0-21swapper/021:55:590
2326130993532,2cyclictest0-21swapper/021:55:590
2326130993526,8cyclictest2422430-21cron00:10:000
2326136993429,4cyclictest2410971-21turbostat23:34:593
2326136993429,4cyclictest2410971-21turbostat23:34:593
2326136993428,5cyclictest2345179-21turbostat20:10:003
2326136993427,6cyclictest2354986-21turbostat20:40:013
2326135993432,1cyclictest0-21swapper/223:15:002
2326135993432,1cyclictest0-21swapper/221:10:012
2326135993431,2cyclictest0-21swapper/221:32:592
2326135993431,2cyclictest0-21swapper/221:32:592
232613299343,3cyclictest2329468-21apt-get19:20:121
232613299341,30cyclictest0-21swapper/121:05:121
2326135993330,2cyclictest0-21swapper/219:23:592
2326132993330,2cyclictest0-21swapper/120:04:001
2326130993329,3cyclictest2348347-21cron20:20:000
2326130993328,3cyclictest2395086-21/usr/sbin/munin22:45:000
2326130993327,4cyclictest2399840-21kworker/u8:2+events_unbound23:05:220
4577091320,6ptp4l441ktimers/319:29:553
2326136993227,4cyclictest2332395-21turbostat19:34:553
2326135993229,2cyclictest0-21swapper/219:46:592
2326135993229,1cyclictest0-21swapper/222:35:002
232613599320,2cyclictest0-21swapper/219:32:592
2326132993225,5cyclictest2393501-21kworker/u8:0+events_unbound22:50:241
2326136993129,1cyclictest0-21swapper/319:59:543
2326135993128,2cyclictest0-21swapper/223:18:592
232613599310,29cyclictest0-21swapper/222:49:552
232613599310,29cyclictest0-21swapper/222:49:552
2326130993128,2cyclictest0-21swapper/023:20:150
2326130993127,2cyclictest0-21swapper/019:10:120
2326136993028,1cyclictest0-21swapper/321:06:593
2326135993027,2cyclictest0-21swapper/221:45:112
2326135993027,2cyclictest0-21swapper/220:19:562
2326135993027,2cyclictest0-21swapper/200:10:132
2326130993026,2cyclictest2349966-21apt20:25:000
4577091290,7ptp4l441ktimers/321:15:003
2326136992926,2cyclictest0-21swapper/322:10:023
2326136992926,2cyclictest0-21swapper/300:20:143
2326136992924,4cyclictest2375698-21turbostat21:44:593
232613699290,28cyclictest0-21swapper/323:50:133
232613699290,27cyclictest0-21swapper/322:15:123
232613699290,1cyclictest0-21swapper/320:55:153
2326135992926,2cyclictest0-21swapper/200:33:592
2326135992926,2cyclictest0-21swapper/200:20:142
232613599290,27cyclictest0-21swapper/223:45:122
232613599290,27cyclictest0-21swapper/223:25:132
232613599290,27cyclictest0-21swapper/222:55:132
232613599290,27cyclictest0-21swapper/221:36:592
232613599290,27cyclictest0-21swapper/221:15:122
232613599290,27cyclictest0-21swapper/220:00:102
232613599290,27cyclictest0-21swapper/200:00:132
2326132992926,2cyclictest0-21swapper/121:10:121
4577091280,7ptp4l441ktimers/319:54:563
4577091280,6ptp4l441ktimers/323:50:013
4577091280,6ptp4l441ktimers/320:20:003
4577091280,6ptp4l441ktimers/319:25:003
4577091280,6ptp4l441ktimers/300:10:013
2326136992826,1cyclictest0-21swapper/323:15:133
2326136992826,1cyclictest0-21swapper/322:07:593
2326136992826,1cyclictest0-21swapper/321:32:003
2326136992826,1cyclictest0-21swapper/321:31:593
2326136992826,1cyclictest0-21swapper/300:34:593
2326136992826,1cyclictest0-21swapper/300:10:133
232613699280,27cyclictest0-21swapper/321:15:133
232613699280,26cyclictest0-21swapper/323:05:133
232613699280,26cyclictest0-21swapper/320:30:033
2326135992825,2cyclictest0-21swapper/222:05:132
2326135992825,2cyclictest0-21swapper/220:30:592
2326135992825,2cyclictest0-21swapper/219:10:122
232613599280,26cyclictest0-21swapper/223:51:592
4577091270,7ptp4l61490irq/134-eno1-TxRx-022:05:013
4577091270,6ptp4l441ktimers/322:49:563
4577091270,6ptp4l441ktimers/322:49:553
4577091270,6ptp4l441ktimers/319:20:013
4577091270,6ptp4l441ktimers/300:00:023
4577091270,3ptp4l441ktimers/320:24:553
2326136992725,1cyclictest0-21swapper/323:20:153
2326136992725,1cyclictest0-21swapper/322:31:583
232613699270,26cyclictest0-21swapper/300:35:593
232613599270,2cyclictest0-21swapper/200:36:592
232613599270,25cyclictest0-21swapper/221:03:002
232613599270,25cyclictest0-21swapper/219:51:592
232613599270,25cyclictest0-21swapper/219:27:322
232613599270,24cyclictest0-21swapper/223:07:592
232613599270,24cyclictest0-21swapper/222:54:002
232613599270,24cyclictest0-21swapper/221:21:592
2326130992724,2cyclictest714-21Xorg22:02:000
4577091260,5ptp4l61490irq/134-eno1-TxRx-022:25:013
4577091260,5ptp4l61490irq/134-eno1-TxRx-022:25:003
4577091260,5ptp4l441ktimers/322:00:003
4577091260,5ptp4l441ktimers/322:00:003
2326136992624,1cyclictest0-21swapper/321:24:593
2326135992623,2cyclictest0-21swapper/220:57:582
2326135992623,2cyclictest0-21swapper/219:42:592
2326130992621,4cyclictest689-21sshd19:49:210
4577091250,6ptp4l61490irq/134-eno1-TxRx-019:45:013
4577091250,5ptp4l61490irq/134-eno1-TxRx-021:40:013
4577091250,5ptp4l441ktimers/323:14:553
4577091250,5ptp4l441ktimers/322:45:003
4577091250,5ptp4l441ktimers/321:50:013
4577091250,4ptp4l441ktimers/321:55:013
2326135992523,1cyclictest0-21swapper/221:15:002
2326135992523,1cyclictest0-21swapper/220:49:592
2326135992523,1cyclictest0-21swapper/200:19:592
2326135992522,2cyclictest0-21swapper/220:51:592
2326135992522,2cyclictest0-21swapper/219:17:592
2326135992522,2cyclictest0-21swapper/200:07:592
4577091240,4ptp4l61490irq/134-eno1-TxRx-020:14:563
4577091240,4ptp4l441ktimers/320:55:003
2326135992421,2cyclictest0-21swapper/223:59:582
2326135992421,2cyclictest0-21swapper/223:30:122
2326135992421,2cyclictest0-21swapper/223:30:112
2326135992421,2cyclictest0-21swapper/222:18:582
2326135992420,2cyclictest0-21swapper/222:37:592
2326135992321,1cyclictest0-21swapper/220:24:582
2326135992320,2cyclictest0-21swapper/223:37:592
2326135992320,2cyclictest0-21swapper/221:56:002
2326135992320,2cyclictest0-21swapper/221:55:592
2326135992320,2cyclictest0-21swapper/200:29:592
2326136992220,1cyclictest0-21swapper/320:26:593
2326136992119,1cyclictest0-21swapper/323:36:593
2326135991916,2cyclictest0-21swapper/222:42:002
2326135991916,2cyclictest0-21swapper/220:10:592
2326135991612,2cyclictest0-21swapper/222:26:002
2326132991614,1cyclictest2325990-21latency_hist19:10:011
4577091150,3ptp4l441ktimers/320:45:223
2326135991512,2cyclictest0-21swapper/220:41:582
232613599108,1cyclictest0-21swapper/222:12:002
23261359974,2cyclictest0-21swapper/223:02:582
23261359950,4cyclictest0-21swapper/221:40:232
23261359930,2cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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