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2026-02-08 - 10:12
[ 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 Feb 08, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23443449910690,12cyclictest2379456-21latency_hist21:00:010
2344347999990,6cyclictest2392702-21latency_hist21:40:011
2344347999787,7cyclictest2404367-21latency_hist22:15:011
2344344999386,5cyclictest2413976-21kworker/u8:3+events_unbound23:20:250
2344347999182,6cyclictest2410736-21latency_hist22:35:011
2344344998780,5cyclictest2373081-21kworker/u8:2+flush-179:021:35:220
2344344998779,5cyclictest2357147-21kworker/u8:1+flush-179:020:15:000
234434499871,84cyclictest1-21systemd00:10:000
2344344998272,8cyclictest2417361-21apt-get22:55:120
2344344998074,4cyclictest2366104-21kworker/u8:0+flush-179:020:30:150
2344344997970,6cyclictest2404603-21kworker/u8:2+events_unbound22:35:260
2344344997970,6cyclictest2404603-21kworker/u8:2+events_unbound22:35:260
2344344997969,7cyclictest2391113-21latency_hist21:35:000
2344347997766,8cyclictest2374632-21latency_hist20:45:011
2344347997766,8cyclictest2374632-21latency_hist20:45:001
2344347997667,6cyclictest2357113-21latency_hist19:50:011
2344344997669,5cyclictest2396130-21kworker/u8:1+events_unbound21:55:240
2344344997665,8cyclictest266-21systemd-journal00:04:000
2344344997569,4cyclictest2407598-21kworker/u8:3+flush-179:022:25:220
2344344997567,5cyclictest2428495-21kworker/u8:2+events_unbound23:55:020
2344344997365,6cyclictest2353947-21kworker/u8:4+flush-179:019:50:000
2344344997265,5cyclictest2392755-21kworker/u8:3+flush-179:021:50:150
2344344997264,5cyclictest2430101-21latency_hist23:35:010
2344344997162,7cyclictest2349397-21/usr/sbin/munin19:25:220
2344344997063,4cyclictest2432752-21kworker/u8:1+events_unbound00:00:000
2344344996960,7cyclictest2431949-21/usr/sbin/munin23:40:230
2344344996957,10cyclictest2371696-21apt-get20:35:120
2344344996861,5cyclictest2441610-21kworker/u8:2+flush-179:000:15:250
234435399670,63cyclictest0-21swapper/320:21:593
2344347996758,7cyclictest2347828-21apt-get19:20:121
2344344996660,4cyclictest2337536-21kworker/u8:3+flush-179:020:00:220
2344344996659,5cyclictest2414188-21apt-get22:45:110
2344353996561,2cyclictest0-21swapper/322:24:003
234435399650,63cyclictest0-21swapper/321:27:003
2344344996562,2cyclictest0-21swapper/022:23:590
234434499650,62cyclictest0-21swapper/021:27:000
234434499650,2cyclictest0-21swapper/020:21:580
2344351996461,2cyclictest0-21swapper/222:23:592
234435199640,2cyclictest0-21swapper/220:21:592
2344344996357,4cyclictest2439946-21kworker/u8:0+flush-179:000:10:150
2344344996357,4cyclictest2417134-21kworker/u8:1+events_unbound22:55:010
2344344996357,4cyclictest2366104-21kworker/u8:0+flush-179:020:50:260
2344353996260,1cyclictest0-21swapper/320:55:593
234435199620,60cyclictest0-21swapper/221:26:592
2344344996258,3cyclictest2399841-21kworker/u8:0+flush-179:022:15:260
2344344996257,4cyclictest2366104-21kworker/u8:0+flush-179:021:14:550
2344347996153,6cyclictest2396151-21latency_hist21:50:011
2344344996154,5cyclictest2404603-21kworker/u8:2+events_unbound22:45:000
2344344996154,5cyclictest2357147-21kworker/u8:1+events_unbound20:15:380
2344351996055,3cyclictest0-21swapper/223:53:002
2344344996055,3cyclictest2443424-21kworker/u8:3+flush-179:000:25:140
2344344995952,5cyclictest2443424-21kworker/u8:3+events_unbound00:35:250
2344344995951,6cyclictest2386336-21latency_hist21:20:010
2344347995851,5cyclictest266-21systemd-journal21:22:171
2344344995853,4cyclictest2399841-21kworker/u8:0+flush-179:022:00:220
234434499581,55cyclictest2425116-21true23:20:000
2344347995752,4cyclictest2337536-21kworker/u8:3+flush-179:020:00:251
2344344995751,4cyclictest2399841-21kworker/u8:0+flush-179:022:30:230
234434499570,55cyclictest1-21systemd23:14:590
2344353995654,1cyclictest0-21swapper/323:53:003
2344347995648,6cyclictest2446374-21apt-get00:24:591
2344347995647,7cyclictest2420277-21kworker/u8:0+events_unbound23:25:011
2344347995545,7cyclictest2394308-21latency_hist21:45:011
2344347995448,5cyclictest2396130-21kworker/u8:1+events_unbound22:00:021
2344344995449,4cyclictest2417134-21kworker/u8:1+flush-179:023:00:170
2344347995351,1cyclictest0-21swapper/123:26:591
2344344995348,4cyclictest2392755-21kworker/u8:3+flush-179:021:45:210
2344344995342,9cyclictest2386607-21apt-get21:20:110
2344347995241,8cyclictest266-21systemd-journal23:00:001
2344344995246,4cyclictest2353947-21kworker/u8:4+flush-179:019:55:220
2344344995244,6cyclictest2401434-21/usr/sbin/munin22:05:230
2344344995243,7cyclictest2430341-21/usr/sbin/munin23:35:240
2344344995239,10cyclictest266-21systemd-journal21:10:010
4577091510,14ptp4l441ktimers/319:10:013
2344347995140,9cyclictest266-21systemd-journal19:35:001
2344344995147,3cyclictest2357147-21kworker/u8:1+flush-179:021:00:220
2344344995146,3cyclictest2357147-21kworker/u8:1+flush-179:020:25:160
2344347995043,5cyclictest2439946-21kworker/u8:0+flush-179:000:30:001
2344347995042,6cyclictest2383155-21latency_hist21:10:001
2344344995044,4cyclictest2441610-21kworker/u8:2+flush-179:000:20:150
2344344995038,5cyclictest2347528-21kworker/u8:1+events_unbound19:30:190
2344344994944,4cyclictest2392755-21kworker/u8:3+flush-179:021:44:550
2344344994938,8cyclictest2353947-21kworker/u8:4+events_unbound19:50:100
2344347994842,4cyclictest2420300-21latency_hist23:05:011
2344344994836,9cyclictest266-21systemd-journal19:40:000
2344347994741,4cyclictest2368264-21latency_hist20:25:001
2344347994740,5cyclictest2404603-21kworker/u8:2+flush-179:022:35:261
2344347994740,5cyclictest2404603-21kworker/u8:2+flush-179:022:35:261
2344347994739,6cyclictest2405958-21latency_hist22:20:001
2344344994743,2cyclictest714-21Xorg19:22:590
2344344994742,4cyclictest2344101-21apt-get19:10:040
2344347994641,4cyclictest2449808-21turbostat00:39:551
2344347994638,6cyclictest2345963-21latency_hist19:15:011
2344347994541,3cyclictest2347609-21systemd-run19:20:011
2344347994538,5cyclictest2438450-40gzip00:00:011
2344353994442,1cyclictest0-21swapper/319:22:593
2344347994440,3cyclictest2357147-21kworker/u8:1+flush-179:021:00:221
2344347994438,5cyclictest2399841-21kworker/u8:0+flush-179:022:50:001
2344347994435,7cyclictest2355528-21latency_hist19:45:011
2344344994440,3cyclictest2344141-21kworker/u8:0+flush-179:019:15:240
2344344994439,4cyclictest2366104-21kworker/u8:0+flush-179:020:40:240
2344344994439,4cyclictest2366104-21kworker/u8:0+flush-179:020:40:240
234435399430,41cyclictest0-21swapper/300:14:593
234434799436,19cyclictest2360281-21cron20:00:001
2344347994341,1cyclictest714-21Xorg21:25:591
2344347994339,3cyclictest2377894-21systemd-run20:55:001
2344344994339,3cyclictest2413976-21kworker/u8:3+flush-179:023:09:560
2344344994338,4cyclictest2401160-21kworker/u8:3+flush-179:022:10:150
2344351994238,2cyclictest0-21swapper/221:42:592
2344344994235,4cyclictest2449801-21latency_hist00:35:010
2344353994135,5cyclictest2421890-21turbostat23:10:003
2344353994135,4cyclictest2407577-21turbostat22:29:553
2344353994134,5cyclictest2353928-21turbostat19:40:003
234435399410,39cyclictest2373062-21turbostat20:44:553
234435399410,39cyclictest2373062-21turbostat20:44:553
234435399410,38cyclictest2355537-21turbostat19:45:013
2344351994138,2cyclictest0-21swapper/221:07:592
234435199410,1cyclictest0-21swapper/200:14:592
2344347994136,3cyclictest266-21systemd-journal00:03:591
2344344994136,3cyclictest2363485-21munin-run20:10:000
2344344994135,5cyclictest2421920-21kworker/u8:1+flush-179:023:25:260
2344353994035,4cyclictest2423484-21turbostat23:14:593
2344353994033,5cyclictest2446366-21turbostat00:25:003
234435399400,39cyclictest2426685-21turbostat23:25:013
234435399400,38cyclictest2415526-21turbostat22:54:553
234435399400,38cyclictest2399353-21turbostat22:00:003
234435399400,36cyclictest0-21swapper/322:12:593
2344347994036,3cyclictest2379658-21ls21:00:011
2344347994035,4cyclictest2374644-21turbostat20:49:541
2344347994032,6cyclictest2446858-21kworker/u8:1+flush-179:000:30:251
2344353993937,1cyclictest0-21swapper/321:42:593
2344353993936,2cyclictest0-21swapper/321:08:003
2344353993934,4cyclictest2363493-21turbostat20:10:003
2344353993933,4cyclictest2344099-21turbostat19:14:553
234435399390,37cyclictest2377868-21turbostat20:55:013
2344351993936,2cyclictest0-21swapper/223:10:002
234435199390,36cyclictest0-21swapper/222:06:592
234435199390,36cyclictest0-21swapper/221:50:002
234435199390,36cyclictest0-21swapper/219:29:562
234435199390,2cyclictest0-21swapper/200:32:582
2344347993936,2cyclictest2413976-21kworker/u8:3+flush-179:023:15:241
2344347993932,5cyclictest2435137-21apt-get23:50:101
234434799390,37cyclictest714-21Xorg23:05:591
234434799390,2cyclictest714-21Xorg21:14:591
234434499391,2cyclictest2355530-21munin-run19:45:010
234435399380,35cyclictest0-21swapper/300:20:003
2344351993834,2cyclictest0-21swapper/219:14:562
2344351993833,2cyclictest0-21swapper/222:33:592
234435199380,35cyclictest0-21swapper/219:39:582
2344347993835,2cyclictest0-21swapper/123:49:591
2344347993833,3cyclictest484-21dbus-daemon22:55:001
234434799380,2cyclictest714-21Xorg23:11:001
234434799380,2cyclictest0-21swapper/120:35:581
2344353993731,5cyclictest2386359-21turbostat21:20:003
2344351993734,2cyclictest0-21swapper/222:55:002
2344351993734,2cyclictest0-21swapper/221:00:002
2344351993734,2cyclictest0-21swapper/200:21:002
2344351993733,2cyclictest0-21swapper/223:36:582
2344351993733,2cyclictest0-21swapper/220:33:582
234435199370,2cyclictest0-21swapper/221:56:592
2344347993734,2cyclictest0-21swapper/100:07:001
2344347993733,2cyclictest714-21Xorg23:33:591
234434799370,36cyclictest0-21swapper/123:42:581
234434799370,1cyclictest0-21swapper/100:12:591
2344353993634,1cyclictest0-21swapper/322:59:593
2344353993634,1cyclictest0-21swapper/319:58:003
234435399360,1cyclictest0-21swapper/322:19:563
234435399360,1cyclictest0-21swapper/300:32:593
2344351993633,2cyclictest0-21swapper/223:59:552
234435199360,1cyclictest0-21swapper/223:35:002
234435199360,1cyclictest0-21swapper/222:30:012
234435199360,1cyclictest0-21swapper/222:12:592
234435199360,1cyclictest0-21swapper/220:05:012
234434799368,14cyclictest2406216-21/usr/sbin/munin22:20:161
2344347993630,4cyclictest2369850-21latency_hist20:30:021
2344347993611,10cyclictest2357570-21seq19:50:141
2344344993632,3cyclictest2376255-21systemd-run20:50:010
2344353993532,2cyclictest0-21swapper/323:36:593
2344353993532,1cyclictest0-21swapper/322:33:593
2344353993530,4cyclictest2440003-21turbostat00:05:003
2344351993532,1cyclictest0-21swapper/221:20:012
2344351993531,2cyclictest0-21swapper/222:57:002
2344351993531,2cyclictest0-21swapper/221:24:552
2344351993531,2cyclictest0-21swapper/220:50:592
2344351993531,2cyclictest0-21swapper/219:49:562
234435199350,1cyclictest0-21swapper/200:19:592
2344347993530,4cyclictest2391130-21perf21:34:591
2344347993511,10cyclictest0-21swapper/119:25:581
2344353993431,2cyclictest0-21swapper/321:45:583
2344353993429,4cyclictest2391125-21turbostat21:34:593
2344351993430,2cyclictest0-21swapper/222:48:592
234434799349,10cyclictest714-21Xorg19:37:591
234434799347,26cyclictest2409150-21munin-run22:30:001
2344344993429,3cyclictest0-21swapper/019:10:030
4577091330,5ptp4l441ktimers/319:50:003
2344353993331,1cyclictest0-21swapper/323:59:563
2344353993331,1cyclictest0-21swapper/320:33:583
234435399330,21cyclictest0-21swapper/320:15:123
2344351993330,2cyclictest0-21swapper/221:35:002
2344351993330,1cyclictest0-21swapper/200:05:002
234434799339,8cyclictest714-21Xorg21:15:581
2344347993328,4cyclictest0-21swapper/120:10:011
234434799331,3cyclictest714-21Xorg00:18:591
2344353993228,3cyclictest0-21swapper/322:48:593
2344351993228,2cyclictest0-21swapper/220:08:592
234435199320,28cyclictest0-21swapper/222:35:142
234435199320,28cyclictest0-21swapper/222:35:142
234435199320,21cyclictest0-21swapper/222:40:112
234434799329,9cyclictest2364536-21ntpq20:10:221
234434799325,14cyclictest2371439-21latency_hist20:35:021
2344347993227,4cyclictest2413970-21systemd22:45:001
2344347993223,7cyclictest2402779-21latency_hist22:10:011
234434799321,3cyclictest0-21swapper/122:00:131
234434799320,30cyclictest2430362-21http23:35:141
2344344993229,2cyclictest2428495-21kworker/u8:2+events_unbound23:45:100
2344353993129,1cyclictest0-21swapper/321:24:553
2344351993127,2cyclictest0-21swapper/223:00:592
2344351993126,3cyclictest0-21swapper/223:26:002
2344353993025,4cyclictest2420310-21turbostat23:05:013
2344353993024,4cyclictest2441587-21turbostat00:10:003
234435399300,2cyclictest0-21swapper/323:15:143
234435399300,27cyclictest0-21swapper/322:35:143
234435399300,27cyclictest0-21swapper/322:35:143
2344351993027,2cyclictest0-21swapper/219:54:582
234435199300,2cyclictest0-21swapper/219:20:142
234435199300,28cyclictest0-21swapper/219:30:132
234435199300,27cyclictest0-21swapper/220:40:142
234435199300,27cyclictest0-21swapper/220:40:132
234435399290,2cyclictest0-21swapper/319:30:123
234435399290,27cyclictest0-21swapper/323:40:133
234435399290,26cyclictest0-21swapper/321:50:123
234435399290,1cyclictest0-21swapper/320:46:583
2344351992926,2cyclictest0-21swapper/222:15:142
2344351992926,2cyclictest0-21swapper/220:15:122
234435199290,2cyclictest0-21swapper/219:40:122
234435199290,27cyclictest0-21swapper/223:40:132
234435199290,27cyclictest0-21swapper/221:50:132
234435199290,27cyclictest0-21swapper/219:56:592
234435199290,27cyclictest0-21swapper/200:35:132
234435199290,27cyclictest0-21swapper/200:06:002
234435199290,26cyclictest0-21swapper/223:48:592
234434799297,7cyclictest714-21Xorg21:50:591
4577091280,6ptp4l441ktimers/321:40:003
2344353992826,1cyclictest0-21swapper/319:54:583
2344353992826,1cyclictest0-21swapper/319:28:003
2344353992826,1cyclictest0-21swapper/319:16:003
2344353992826,1cyclictest0-21swapper/300:35:133
2344353992825,2cyclictest0-21swapper/323:26:003
234435399280,2cyclictest0-21swapper/323:45:133
234435399280,27cyclictest0-21swapper/322:40:123
234435199280,2cyclictest0-21swapper/223:15:132
4577091270,6ptp4l441ktimers/300:30:003
4577091270,5ptp4l441ktimers/320:05:013
2344351992723,2cyclictest0-21swapper/219:17:112
2344351992722,2cyclictest0-21swapper/220:14:552
4577091260,6ptp4l61490irq/134-eno1-TxRx-021:15:013
4577091260,5ptp4l441ktimers/322:04:553
4577091260,5ptp4l441ktimers/320:14:563
4577091260,4ptp4l441ktimers/321:05:013
4577091260,4ptp4l441ktimers/320:40:023
2344353992624,1cyclictest0-21swapper/323:34:553
4577091250,6ptp4l61490irq/134-eno1-TxRx-020:29:553
2344347992521,3cyclictest2365763-21hwlatdetect20:15:151
4577091240,4ptp4l441ktimers/322:09:553
2344351992319,2cyclictest0-21swapper/200:25:592
231999230,12rtkit-daemon2342348-21apt-get19:05:021
234435199220,2cyclictest0-21swapper/220:46:582
2344351992118,2cyclictest0-21swapper/221:15:002
2344351992116,2cyclictest0-21swapper/220:36:582
2344351992018,1cyclictest0-21swapper/220:30:012
2344351992017,2cyclictest0-21swapper/221:39:592
2344351991916,2cyclictest0-21swapper/223:24:002
2344351991916,2cyclictest0-21swapper/223:12:592
234435199140,13cyclictest0-21swapper/222:05:012
23443519996,2cyclictest0-21swapper/221:00:132
23443519930,2cyclictest0-21swapper/219:10:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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