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2026-02-06 - 21:12
[ 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 Fri Feb 06, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234870299112101,8cyclictest2436323-21latency_hist11:40:010
234870299110104,5cyclictest2420355-21kworker/u8:1+flush-179:011:57:150
234870299110100,7cyclictest2405261-21kworker/u8:1+events_unbound10:30:030
23487039910473,20cyclictest2413506-21apt-get10:30:001
23487029910191,7cyclictest2366175-21latency_hist08:05:020
23487039910087,10cyclictest266-21systemd-journal11:57:111
2348702998974,5cyclictest2355044-21kworker/u8:2+events_unbound07:55:250
2348703998777,7cyclictest2371454-21/usr/sbin/munin08:20:241
2348702998776,8cyclictest2355239-21/usr/sbin/munin07:30:220
2348703998677,6cyclictest2434704-21latency_hist11:35:001
2348702998578,5cyclictest2351862-21kworker/u8:0+flush-179:007:40:240
2348702998377,4cyclictest2420355-21kworker/u8:1+flush-179:011:25:250
2348702998372,8cyclictest2421942-21/usr/sbin/munin10:55:240
2348703998171,7cyclictest2423310-21latency_hist11:00:011
2348702998176,3cyclictest2390886-21kworker/u8:1+flush-179:009:35:150
2348702998172,4cyclictest2386868-21kworker/u8:3+events_unbound09:20:230
2348703998071,6cyclictest2417184-21/usr/sbin/munin10:40:221
2348702998066,11cyclictest2387399-21apt-get09:10:000
2348702997974,4cyclictest2405261-21kworker/u8:1+events_unbound10:20:200
2348702997873,4cyclictest2398893-21kworker/u8:3+flush-179:010:00:220
2348702997873,3cyclictest2410211-21kworker/u8:2+events_unbound11:30:210
2348702997870,7cyclictest2359843-21kworker/u8:3+events_unbound08:15:030
2348702997770,5cyclictest2398893-21kworker/u8:3+events_unbound09:50:200
2348702997769,6cyclictest2389209-21kworker/u8:2+events_unbound09:40:190
2348703997653,20cyclictest2426485-21latency_hist11:10:011
2348702997671,4cyclictest2398893-21kworker/u8:3+events_unbound10:15:240
2348702997666,4cyclictest2446655-21kworker/u8:2+events_unbound12:20:210
2348702997665,4cyclictest2345654-21kworker/u8:1+events_unbound07:20:150
2348702997568,5cyclictest2441105-21kworker/u8:0+events_unbound12:25:200
2348703997465,7cyclictest2383952-21latency_hist09:00:011
2348702997469,4cyclictest2411938-21kworker/u8:0+flush-179:010:50:240
2348702997469,4cyclictest2389209-21kworker/u8:2+events_unbound09:25:260
2348702997467,4cyclictest2398893-21kworker/u8:3+events_unbound09:55:200
2348703997367,4cyclictest2447757-21latency_hist12:10:011
2348703997361,9cyclictest2351862-21kworker/u8:0+flush-179:007:45:001
2348702997369,3cyclictest2359843-21kworker/u8:3+events_unbound08:10:240
2348702997368,4cyclictest2367786-21kworker/u8:0+events_unbound08:45:220
2348702997364,7cyclictest2441069-21latency_hist11:55:010
2348703997261,8cyclictest266-21systemd-journal08:00:001
2348702997267,3cyclictest2420355-21kworker/u8:1+flush-179:011:05:160
4577091710,18ptp4l61490irq/134-eno1-TxRx-007:09:583
2348703997165,4cyclictest1682128-21kworker/u8:4+flush-179:007:14:551
2348702997166,4cyclictest2363013-21kworker/u8:1+events_unbound08:05:230
2348702997166,4cyclictest2359843-21kworker/u8:3+events_unbound07:50:180
2348702997165,5cyclictest2375677-21kworker/u8:1+events_unbound09:00:260
2348703997061,7cyclictest2367759-21latency_hist08:10:011
2348702997065,4cyclictest2405261-21kworker/u8:1+flush-179:010:05:200
2348702997063,4cyclictest2405261-21kworker/u8:1+events_unbound10:25:170
2348703996962,5cyclictest2374387-21latency_hist08:30:011
2348702996964,3cyclictest2410211-21kworker/u8:2+flush-179:010:40:200
2348702996864,3cyclictest2410211-21kworker/u8:2+events_unbound11:20:220
2348702996864,3cyclictest2359843-21kworker/u8:3+flush-179:008:20:240
2348702996863,4cyclictest2410211-21kworker/u8:2+events_unbound11:10:240
2348702996863,3cyclictest2436317-21kworker/u8:3+flush-179:011:45:140
2348702996861,5cyclictest2410211-21kworker/u8:2+events_unbound11:00:180
2348708996662,2cyclictest0-21swapper/311:04:593
2348702996661,4cyclictest1682128-21kworker/u8:4+events_unbound07:15:230
2348702996661,3cyclictest2405261-21kworker/u8:1+flush-179:010:10:160
2348702996559,4cyclictest2345654-21kworker/u8:1+flush-179:007:25:200
2348703996452,10cyclictest2360064-21apt-get07:45:131
2348702996456,6cyclictest2441105-21kworker/u8:0+events_unbound12:15:080
234870599630,61cyclictest0-21swapper/209:07:592
2348703996351,10cyclictest2429706-21http11:20:001
2348702996357,4cyclictest2398893-21kworker/u8:3+events_unbound09:45:150
2348702996353,8cyclictest2375677-21kworker/u8:1+flush-179:008:55:000
234870599620,2cyclictest0-21swapper/209:58:592
2348703996257,4cyclictest2386867-21kworker/u8:0+flush-179:009:10:001
2348702996257,4cyclictest2411938-21kworker/u8:0+flush-179:010:35:220
2348705996158,2cyclictest0-21swapper/209:30:592
2348703996155,4cyclictest2387902-21apt-get09:10:111
2348703996149,11cyclictest2389209-21kworker/u8:2+flush-179:010:00:001
2348702996056,3cyclictest2446655-21kworker/u8:2+flush-179:012:05:280
2348702995954,4cyclictest2390886-21kworker/u8:1+events_unbound09:35:000
2348702995954,4cyclictest2355044-21kworker/u8:2+events_unbound07:39:550
2348702995954,4cyclictest2348665-21kworker/u8:2+events_unbound07:10:210
2348702995953,5cyclictest2375677-21kworker/u8:1+flush-179:008:40:190
2348703995848,8cyclictest2418789-21apt-get10:45:111
2348702995855,2cyclictest2375677-21kworker/u8:1+events_unbound08:30:250
2348703995734,18cyclictest2394324-21apt-get09:30:121
2348702995752,4cyclictest2436317-21kworker/u8:3+flush-179:011:40:240
2348702995752,4cyclictest2411938-21kworker/u8:0+flush-179:010:49:540
2348702995747,8cyclictest2383972-21apt-get09:00:000
2348702995647,3cyclictest2441105-21kworker/u8:0+events_unbound12:30:130
2348703995548,5cyclictest2385801-21latency_hist09:05:001
2348703995546,7cyclictest2375977-21latency_hist08:35:021
2348703995545,8cyclictest2439721-21/usr/sbin/munin11:50:241
2348703995545,7cyclictest2389209-21kworker/u8:2+flush-179:009:20:001
2348703995518,19cyclictest0-21swapper/111:50:021
2348702995551,3cyclictest2372825-21kworker/u8:2+events_unbound08:25:230
2348703995446,6cyclictest2446172-21latency_hist12:05:011
2348703995444,8cyclictest2351862-21kworker/u8:0+flush-179:007:40:011
2348703995444,7cyclictest266-21systemd-journal11:45:011
234870399543,38cyclictest2355071-21cat07:30:001
234870399540,49cyclictest0-21swapper/109:35:131
2348702995446,7cyclictest2386868-21kworker/u8:3+events_unbound09:15:130
2348705995350,2cyclictest0-21swapper/211:04:592
2348703995320,24cyclictest0-21swapper/110:10:191
2348703995221,23cyclictest2410246-21sshd10:15:311
2348702995247,4cyclictest2410211-21kworker/u8:2+flush-179:011:15:190
2348708995143,5cyclictest2385809-21turbostat09:05:003
2348703995113,20cyclictest0-21swapper/110:50:141
2348702995146,4cyclictest2386868-21kworker/u8:3+flush-179:009:10:260
2348702995139,4cyclictest2452838-21kworker/u8:4+events_unbound12:35:230
2348702995139,4cyclictest2452838-21kworker/u8:4+events_unbound12:35:220
234870399502,43cyclictest2392685-21apt-get09:25:141
2348703994940,7cyclictest2375677-21kworker/u8:1+events_unbound08:45:001
2348703994938,9cyclictest2399105-21apt-get09:45:131
2348703994915,25cyclictest0-21swapper/107:20:001
234870399490,45cyclictest0-21swapper/110:30:121
2348702994944,4cyclictest2441105-21kworker/u8:0+flush-179:012:12:100
234870399485,30cyclictest2410212-1kworker/1:1H+kblockd10:40:001
2348703994822,23cyclictest2369813-21sed08:15:021
234870399480,45cyclictest2429664-21apt-get11:20:031
2348702994837,9cyclictest2360351-21diskstats07:45:160
234870399471,43cyclictest2410573-21apt-get10:20:111
2348702994739,5cyclictest2348601-21latency_hist07:10:020
2348703994413,18cyclictest2362978-21latency_hist07:55:011
234870399440,30cyclictest2432577-21ntp_states11:25:221
234870399440,28cyclictest0-21swapper/112:40:021
234870399440,28cyclictest0-21swapper/112:40:011
2348708994336,5cyclictest2433123-21turbostat11:30:003
234870399431,40cyclictest714-21Xorg11:11:591
234870399431,27cyclictest2382363-21perf08:55:001
234870399430,29cyclictest2424900-21latency_hist11:05:011
234870899420,40cyclictest2456011-21turbostat12:40:013
234870899420,40cyclictest2456011-21turbostat12:40:003
234870899420,40cyclictest2405224-21turbostat10:05:003
2348703994239,2cyclictest0-21swapper/112:24:591
234870399420,26cyclictest2452841-21systemd-run12:30:001
234870899410,39cyclictest2415352-21turbostat10:35:013
234870899410,39cyclictest2366183-21turbostat08:05:013
2348703994132,7cyclictest2398893-21kworker/u8:3+flush-179:010:10:001
2348703994123,14cyclictest2391494-21fschecks_time09:20:151
234870399411,38cyclictest714-21Xorg09:42:591
234870399411,25cyclictest714-21Xorg08:35:591
234870399410,39cyclictest0-21swapper/107:24:591
234870399410,28cyclictest2380777-21perf08:50:001
234870899400,38cyclictest2446188-21turbostat12:05:003
234870899400,38cyclictest2383954-21turbostat09:00:013
2348705994037,2cyclictest0-21swapper/208:46:592
2348703994036,2cyclictest714-21Xorg12:33:591
2348703994020,18cyclictest2370280-21gltestperf08:15:141
2348702994035,4cyclictest2420355-21kworker/u8:1+flush-179:012:00:260
234870899390,38cyclictest2394076-21turbostat09:30:003
2348705993936,2cyclictest0-21swapper/212:31:002
2348703993933,3cyclictest2426-10pipewire-media-12:15:001
234870399390,23cyclictest2364953-21tr08:00:121
234870399390,22cyclictest2401906-21grep09:50:241
2348702993934,3cyclictest2377562-21sendmail08:40:010
234870599380,36cyclictest0-21swapper/208:30:592
234870599380,35cyclictest0-21swapper/207:51:592
234870399380,25cyclictest2355632-21tune2fs07:30:151
2348708993733,2cyclictest0-21swapper/310:20:593
2348708993732,3cyclictest0-21swapper/309:12:593
2348705993734,2cyclictest0-21swapper/210:21:592
2348705993734,2cyclictest0-21swapper/208:25:002
2348705993734,2cyclictest0-21swapper/208:09:562
234870599370,35cyclictest0-21swapper/211:53:002
234870599370,35cyclictest0-21swapper/209:13:592
234870399370,22cyclictest2436195-21grep11:35:251
2348708993634,1cyclictest0-21swapper/312:19:553
2348708993634,1cyclictest0-21swapper/309:08:593
2348708993634,1cyclictest0-21swapper/307:59:593
2348708993630,4cyclictest2408396-21turbostat10:15:013
234870899360,1cyclictest0-21swapper/310:27:583
2348705993633,2cyclictest0-21swapper/209:04:002
2348708993533,1cyclictest0-21swapper/307:26:003
2348708993533,1cyclictest0-21swapper/307:19:553
234870899350,1cyclictest0-21swapper/311:13:593
2348705993532,2cyclictest0-21swapper/210:33:582
2348705993532,2cyclictest0-21swapper/210:04:592
234870599350,1cyclictest0-21swapper/211:19:592
234870599350,1cyclictest0-21swapper/207:34:562
4577091340,3ptp4l441ktimers/310:15:123
234870399341,21cyclictest0-21swapper/112:15:111
2348708993332,1cyclictest0-21swapper/311:57:583
2348708993331,1cyclictest0-21swapper/312:09:003
2348708993331,1cyclictest0-21swapper/311:40:003
2348708993331,1cyclictest0-21swapper/308:15:593
2348708993330,2cyclictest0-21swapper/307:39:553
2348708993328,4cyclictest2433123-21turbostat11:34:553
2348705993330,2cyclictest0-21swapper/208:57:592
2348705993330,2cyclictest0-21swapper/208:13:592
2348705993330,2cyclictest0-21swapper/208:02:582
2348703993326,5cyclictest2348793-21latency_hist07:10:011
234870399330,19cyclictest2404405-21irqstats10:00:181
2348708993230,1cyclictest0-21swapper/312:32:593
2348708993230,1cyclictest0-21swapper/310:51:593
2348708993230,1cyclictest0-21swapper/307:43:003
2348705993229,2cyclictest0-21swapper/211:13:582
2348705993229,2cyclictest0-21swapper/210:27:592
2348705993227,2cyclictest0-21swapper/212:40:002
2348705993227,2cyclictest0-21swapper/212:40:002
2348708993129,1cyclictest0-21swapper/312:29:563
2348708993129,1cyclictest0-21swapper/311:20:593
2348708993129,1cyclictest0-21swapper/308:29:593
2348708993129,1cyclictest0-21swapper/308:10:593
2348705993129,1cyclictest0-21swapper/209:30:002
2348708993028,1cyclictest0-21swapper/310:42:003
2348708993028,1cyclictest0-21swapper/309:19:593
2348708993027,2cyclictest0-21swapper/312:22:593
2348705993027,2cyclictest0-21swapper/208:15:022
2348705993026,2cyclictest0-21swapper/212:05:002
234870599300,2cyclictest0-21swapper/210:15:122
234870599300,28cyclictest0-21swapper/207:45:152
4577091290,7ptp4l441ktimers/310:40:003
4577091290,6ptp4l441ktimers/311:10:003
2348708992927,1cyclictest0-21swapper/311:54:003
2348708992926,2cyclictest0-21swapper/310:05:593
2348708992925,2cyclictest0-21swapper/307:20:123
234870899290,27cyclictest0-21swapper/309:40:123
234870899290,27cyclictest0-21swapper/308:35:143
234870899290,27cyclictest0-21swapper/308:20:143
2348705992926,2cyclictest0-21swapper/211:20:022
234870599290,27cyclictest0-21swapper/211:25:132
234870599290,27cyclictest0-21swapper/208:35:132
4577091280,7ptp4l441ktimers/309:39:553
4577091280,6ptp4l441ktimers/312:15:013
4577091280,6ptp4l441ktimers/309:55:003
4577091280,4ptp4l441ktimers/308:50:013
234870899280,27cyclictest0-21swapper/307:45:143
2348705992826,1cyclictest0-21swapper/209:40:122
2348705992825,2cyclictest0-21swapper/208:30:002
2348705992825,2cyclictest0-21swapper/207:20:112
234870599280,2cyclictest0-21swapper/207:15:112
234870599280,27cyclictest0-21swapper/208:50:122
234870599280,26cyclictest0-21swapper/211:56:522
234870599280,26cyclictest0-21swapper/207:25:132
4577091270,6ptp4l441ktimers/311:19:563
4577091270,6ptp4l441ktimers/308:45:003
4577091270,6ptp4l441ktimers/308:34:563
4577091270,6ptp4l441ktimers/307:55:003
4577091270,4ptp4l441ktimers/307:35:003
2348708992725,1cyclictest0-21swapper/310:45:583
2348708992725,1cyclictest0-21swapper/309:30:593
234870899270,1cyclictest0-21swapper/308:45:123
2348705992724,2cyclictest0-21swapper/212:09:552
2348705992724,2cyclictest0-21swapper/211:40:002
2348705992724,2cyclictest0-21swapper/207:42:592
2348705992723,2cyclictest0-21swapper/212:19:562
234870599270,24cyclictest0-21swapper/209:37:592
234870599270,24cyclictest0-21swapper/207:10:272
234870599270,1cyclictest0-21swapper/209:15:132
4577091260,6ptp4l61490irq/134-eno1-TxRx-009:50:013
4577091260,5ptp4l61490irq/134-eno1-TxRx-007:14:553
4577091260,4ptp4l441ktimers/308:10:013
2348708992625,1cyclictest0-21swapper/309:57:003
2348708992624,1cyclictest0-21swapper/309:24:553
234870599260,2cyclictest0-21swapper/210:49:592
234870599260,24cyclictest0-21swapper/211:09:002
234870599260,1cyclictest0-21swapper/207:59:592
4577091250,5ptp4l61490irq/134-eno1-TxRx-011:50:013
2348708992523,1cyclictest0-21swapper/311:41:583
2348705992522,2cyclictest0-21swapper/210:07:592
2348705992522,2cyclictest0-21swapper/209:21:592
234870599250,1cyclictest0-21swapper/212:15:012
4577091240,4ptp4l61490irq/134-eno1-TxRx-010:59:563
2348705992421,2cyclictest0-21swapper/210:12:002
2348705992421,2cyclictest0-21swapper/208:44:592
2348705992421,2cyclictest0-21swapper/207:37:592
2348705992321,1cyclictest0-21swapper/211:31:582
2348705992320,2cyclictest0-21swapper/210:56:002
2348705992320,2cyclictest0-21swapper/210:50:582
2348705992220,1cyclictest0-21swapper/212:24:542
2348705992218,3cyclictest0-21swapper/212:29:552
2348705992118,2cyclictest0-21swapper/209:53:592
2348705991916,2cyclictest0-21swapper/210:42:002
2348705991815,2cyclictest0-21swapper/211:44:592
2348705991513,1cyclictest0-21swapper/211:50:002
23487059974,2cyclictest0-21swapper/209:46:512
23487059950,4cyclictest0-21swapper/210:35:212
23487059930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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