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2026-02-05 - 18:42
[ 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 Thu Feb 05, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23180799910581,22cyclictest2322872-21latency_hist19:25:011
2318074999280,10cyclictest2387302-21latency_hist22:45:000
2318079998879,6cyclictest2424516-21latency_hist00:40:011
2318079998570,11cyclictest2356289-21latency_hist21:10:011
2318079998172,6cyclictest2338773-21latency_hist20:15:011
2318079998162,18cyclictest2401912-21kworker/u8:2+flush-179:000:05:001
2318079997871,5cyclictest2359746-21latency_hist21:20:011
2318079997858,18cyclictest2368586-21kworker/u8:0+events_unbound22:40:011
2318074997767,7cyclictest2375562-21kworker/u8:2+events_unbound22:15:180
2318079997670,4cyclictest2311560-21kworker/u8:3+events_unbound19:15:011
2318074997669,5cyclictest2408340-21kworker/u8:1+flush-179:023:50:140
2318079997566,6cyclictest2372969-21latency_hist22:00:001
2318074997569,4cyclictest2401912-21kworker/u8:2+flush-179:000:00:040
2318079997464,8cyclictest2401912-21kworker/u8:2+flush-179:000:00:011
2318079997362,8cyclictest266-21systemd-journal19:55:001
2318079997361,9cyclictest266-21systemd-journal22:34:591
2318074997361,9cyclictest2401912-21kworker/u8:2+flush-179:000:20:010
2318074997260,9cyclictest266-21systemd-journal00:00:000
2318079997165,4cyclictest2326025-21kworker/u8:1+flush-179:019:35:001
2318079997164,5cyclictest2397124-21kworker/u8:0+flush-179:023:30:161
231807999701,67cyclictest1-21systemd23:00:001
2318074997059,7cyclictest2367688-21latency_hist21:45:010
2318074997057,5cyclictest2320214-21journal-offline19:15:150
2318074997056,4cyclictest2408289-21latency_hist23:50:000
2318079996960,7cyclictest2405104-21latency_hist23:40:021
2318074996959,8cyclictest2390762-21/usr/sbin/munin22:55:220
2318079996862,3cyclictest2311560-21kworker/u8:3+events_unbound20:00:251
2318079996759,6cyclictest2416555-21latency_hist00:15:011
2318074996758,7cyclictest2327907-21apt-get19:40:120
2318074996453,8cyclictest2371136-21apt-get21:55:030
2318079996352,8cyclictest2351506-21latency_hist20:55:011
2318074996254,6cyclictest2390474-21apt-get22:51:570
2318074996156,3cyclictest2351512-21grep20:55:000
231807999600,58cyclictest1-21systemd23:15:001
2318079995946,9cyclictest2408302-21apt-get23:49:591
2318074995948,8cyclictest2364532-21kworker/u8:1+flush-179:022:00:200
2318079995751,5cyclictest2368586-21kworker/u8:0+events_unbound22:45:251
2318079995751,4cyclictest2356277-21kworker/u8:0+flush-179:021:35:011
2318079995743,10cyclictest2371136-21apt-get21:55:001
2318079995742,5cyclictest2322334-21kworker/u8:0+events_unbound19:30:001
2318079995651,4cyclictest2375562-21kworker/u8:2+flush-179:022:10:221
2318079995650,4cyclictest2388872-21kworker/u8:1+flush-179:023:20:161
2318079995648,5cyclictest2364532-21kworker/u8:1+flush-179:021:45:161
2318074995650,4cyclictest1-21systemd22:15:000
2318074995548,5cyclictest2354957-21apt-get21:05:120
2318074995546,6cyclictest2397149-21latency_hist23:15:010
2318074995450,3cyclictest2311560-21kworker/u8:3+flush-179:020:00:140
2318079995348,4cyclictest2401912-21kworker/u8:2+events_unbound23:50:251
2318079995347,4cyclictest2368586-21kworker/u8:0+events_unbound22:05:241
2318079995343,8cyclictest2356277-21kworker/u8:0+flush-179:021:35:211
2318074995344,8cyclictest2335860-21apt-get20:05:090
2318074995344,8cyclictest2335860-21apt-get20:05:090
2318079995244,6cyclictest2338806-21kworker/u8:2+flush-179:021:00:261
2318079995242,7cyclictest2401912-21kworker/u8:2+flush-179:023:45:001
2318074995245,5cyclictest2349921-21latency_hist20:50:010
2318079995145,4cyclictest2358174-21kworker/u8:3+flush-179:021:20:241
2318079995145,4cyclictest2338806-21kworker/u8:2+flush-179:020:45:171
2318079995045,4cyclictest2319712-21kworker/u8:2+events_unbound19:15:231
2318079995044,4cyclictest2416539-21kworker/u8:0+flush-179:000:25:251
2318074995043,5cyclictest714-21Xorg00:21:590
4577091490,13ptp4l441ktimers/319:10:003
2318079994942,5cyclictest2394010-21kworker/u8:2+flush-179:023:05:011
2318074994942,6cyclictest2395570-21munin-plugin-st23:10:010
2318095994846,1cyclictest0-21swapper/320:24:593
2318074994841,5cyclictest2398995-21/usr/sbin/munin23:20:230
2318079994741,4cyclictest2388872-21kworker/u8:1+flush-179:023:20:011
2318079994734,10cyclictest266-21systemd-journal20:20:001
2318074994743,2cyclictest2401931-21munin-run23:30:000
2318074994737,8cyclictest510-21rs:main0
2318079994641,4cyclictest2416539-21kworker/u8:0+flush-179:000:20:211
2318079994641,4cyclictest2338806-21kworker/u8:2+flush-179:020:40:211
2318079994641,4cyclictest2338806-21kworker/u8:2+events_unbound20:30:251
2318079994641,4cyclictest2338806-21kworker/u8:2+events_unbound20:30:251
2318079994641,4cyclictest2338806-21kworker/u8:2+events_unbound20:25:181
2318079994641,3cyclictest2416539-21kworker/u8:0+flush-179:000:15:261
2318074994644,1cyclictest0-21swapper/019:59:590
2318074994638,6cyclictest2364532-21kworker/u8:1+flush-179:021:40:010
2318074994636,8cyclictest266-21systemd-journal22:50:010
231807499460,44cyclictest2421354-21idleruntime-cro00:30:000
2318079994537,5cyclictest2388872-21kworker/u8:1+flush-179:022:50:161
2318079994439,4cyclictest2311560-21kworker/u8:3+flush-179:019:40:221
2318079994434,6cyclictest0-21swapper/121:44:591
2318074994440,2cyclictest266-21systemd-journal19:35:000
2318074994439,3cyclictest2361363-21systemd-run21:25:000
2318074994437,5cyclictest2338806-21kworker/u8:2+flush-179:021:00:010
2318074994433,9cyclictest2342509-21diskstats20:25:160
2318079994330,11cyclictest0-21swapper/122:20:011
2318074994334,7cyclictest2347006-21apt-get20:40:110
231807499432,39cyclictest2322877-21turbostat19:29:550
2318079994234,7cyclictest2413641-21apt-get00:05:111
2318074994236,4cyclictest2376172-21perf22:10:000
2318074994236,4cyclictest2375562-21kworker/u8:2+flush-179:022:25:220
231807499421,4cyclictest266-21systemd-journal00:34:590
231807499421,39cyclictest266-21systemd-journal21:55:000
4577191410,2getstats0-21swapper/322:05:533
2318095994139,1cyclictest0-21swapper/320:54:553
2318079994134,5cyclictest2338806-21kworker/u8:2+events_unbound20:20:141
2318079994132,5cyclictest0-21swapper/123:09:591
2318074994136,3cyclictest714-21Xorg21:45:590
2318074994132,7cyclictest2352048-21diskstats20:55:150
2318074994132,5cyclictest0-21swapper/020:21:590
231807499411,38cyclictest2405110-21munin-run23:40:000
231807499411,38cyclictest2385716-21tr22:39:590
231807499411,38cyclictest2330819-21cron19:50:010
2318079994034,4cyclictest2311560-21kworker/u8:3+flush-179:019:35:161
2318079994032,5cyclictest0-21swapper/119:45:121
2318079994031,7cyclictest2362910-21latency_hist21:30:011
2318079994030,8cyclictest2332645-21/usr/sbin/munin19:55:181
231807999400,38cyclictest2400351-21turbostat23:29:551
2318074994034,5cyclictest2338806-21kworker/u8:2+flush-179:020:30:260
2318074994034,5cyclictest2338806-21kworker/u8:2+flush-179:020:30:260
231807499401,37cyclictest2406714-21dump-pmu-power23:45:010
231807499401,2cyclictest714-21Xorg20:35:590
231809599390,38cyclictest2416557-21turbostat00:14:593
231809599390,38cyclictest0-21swapper/300:34:593
2318085993936,2cyclictest0-21swapper/220:29:552
2318079993934,3cyclictest2318213-21cat19:10:021
2318079993933,5cyclictest2375562-21kworker/u8:2+flush-179:022:25:211
231807999391,2cyclictest714-21Xorg22:20:591
2318074993935,2cyclictest2338786-21apt20:15:000
2318074993934,4cyclictest2311509-21kworker/u8:0+flush-179:019:10:140
231807499390,38cyclictest2332424-21ls19:55:000
231807499390,37cyclictest2359748-21munin-plugin-st21:20:010
2318085993835,2cyclictest0-21swapper/220:13:592
231808599380,35cyclictest0-21swapper/222:49:552
231808599380,35cyclictest0-21swapper/221:50:592
2318079993833,4cyclictest2385677-21kworker/u8:1+flush-179:022:40:231
2318079993829,7cyclictest2337188-21latency_hist20:10:001
2318079993829,7cyclictest2337188-21latency_hist20:10:001
2318079993826,11cyclictest0-21swapper/122:05:011
2318074993835,2cyclictest0-21swapper/023:19:590
2318074993830,7cyclictest2356800-21apt-get21:10:120
2318074993830,5cyclictest0-21swapper/019:22:590
2318095993735,1cyclictest0-21swapper/323:22:003
231809599370,36cyclictest0-21swapper/322:54:563
2318085993734,2cyclictest0-21swapper/223:35:012
2318085993734,2cyclictest0-21swapper/200:14:552
2318085993734,1cyclictest0-21swapper/221:00:002
231808599370,34cyclictest0-21swapper/221:40:012
231808599370,1cyclictest0-21swapper/219:57:592
2318079993734,2cyclictest0-21swapper/121:13:001
2318074993731,4cyclictest2397124-21kworker/u8:0+flush-179:023:30:000
2318074993730,5cyclictest2409213-21kworker/u8:3+flush-179:000:14:550
231807499372,5cyclictest2423176-21apt-get00:35:120
2318095993634,1cyclictest0-21swapper/321:59:553
2318095993634,1cyclictest0-21swapper/321:41:593
2318095993634,1cyclictest0-21swapper/320:11:593
231809599360,35cyclictest0-21swapper/319:47:593
2318085993634,1cyclictest0-21swapper/220:05:002
2318085993634,1cyclictest0-21swapper/200:25:002
2318085993633,2cyclictest0-21swapper/223:59:552
2318085993633,2cyclictest0-21swapper/223:14:562
231808599360,34cyclictest0-21swapper/223:20:002
231808599360,1cyclictest0-21swapper/220:47:592
2318095993533,1cyclictest0-21swapper/323:28:593
2318095993533,1cyclictest0-21swapper/323:07:003
231809599350,1cyclictest0-21swapper/300:05:593
2318085993533,1cyclictest0-21swapper/223:55:012
2318085993533,1cyclictest0-21swapper/220:45:002
2318085993532,2cyclictest0-21swapper/219:53:002
2318079993531,3cyclictest2352561-21kworker/u8:1+events_unbound20:55:251
2318074993532,2cyclictest2392462-21apt-key23:00:010
2318074993526,7cyclictest266-21systemd-journal22:25:000
2318095993432,1cyclictest0-21swapper/323:46:593
2318095993432,1cyclictest0-21swapper/321:51:593
2318095993432,1cyclictest0-21swapper/319:44:593
2318085993431,2cyclictest0-21swapper/220:25:002
2318085993431,2cyclictest0-21swapper/200:26:592
2318085993431,2cyclictest0-21swapper/200:09:002
2318095993331,1cyclictest0-21swapper/319:58:593
2318095993331,1cyclictest0-21swapper/319:54:553
2318095993331,1cyclictest0-21swapper/319:39:593
2318085993330,2cyclictest0-21swapper/219:39:552
231807499332,3cyclictest2326301-21apt-get19:35:130
2318095993230,1cyclictest0-21swapper/322:21:593
2318095993227,4cyclictest2319685-21turbostat19:15:003
2318085993230,1cyclictest0-21swapper/219:20:012
2318079993225,5cyclictest2345400-21apt-get20:35:101
231807999321,29cyclictest2422932-21idleruntime-cro00:35:001
2318095993129,1cyclictest0-21swapper/300:03:003
2318085993129,1cyclictest0-21swapper/223:04:592
2318074993128,2cyclictest714-21Xorg22:32:590
2318074993127,3cyclictest2339380-21fschecks_time20:15:200
2318095993028,1cyclictest0-21swapper/321:03:593
231808599300,27cyclictest0-21swapper/222:18:592
231807499301,28cyclictest0-21swapper/021:25:140
4577091290,7ptp4l441ktimers/323:05:003
4577091290,7ptp4l441ktimers/320:50:013
2318095992928,1cyclictest0-21swapper/322:12:593
2318095992926,2cyclictest0-21swapper/321:08:593
2318095992926,2cyclictest0-21swapper/320:18:593
231809599290,28cyclictest0-21swapper/321:10:033
231809599290,28cyclictest0-21swapper/320:00:133
231809599290,27cyclictest0-21swapper/323:15:113
231809599290,27cyclictest0-21swapper/323:10:123
2318085992927,1cyclictest0-21swapper/219:49:592
2318085992926,2cyclictest0-21swapper/222:37:002
2318085992926,2cyclictest0-21swapper/221:55:022
2318085992926,2cyclictest0-21swapper/221:45:032
2318085992926,2cyclictest0-21swapper/219:20:122
2318085992926,2cyclictest0-21swapper/200:35:112
2318085992926,2cyclictest0-21swapper/200:15:152
231808599290,28cyclictest0-21swapper/223:35:122
231808599290,27cyclictest0-21swapper/223:20:112
231808599290,27cyclictest0-21swapper/222:55:132
231808599290,27cyclictest0-21swapper/222:00:132
231808599290,27cyclictest0-21swapper/221:30:112
2318074992927,1cyclictest714-21Xorg21:31:590
4577091280,7ptp4l61490irq/134-eno1-TxRx-020:10:003
4577091280,7ptp4l61490irq/134-eno1-TxRx-020:10:003
4577091280,7ptp4l441ktimers/323:55:003
2318095992827,1cyclictest0-21swapper/319:15:593
2318095992826,1cyclictest0-21swapper/322:32:593
2318095992826,1cyclictest0-21swapper/300:00:013
2318095992825,2cyclictest0-21swapper/300:37:003
231809599280,27cyclictest0-21swapper/323:34:593
231809599280,27cyclictest0-21swapper/321:45:023
231809599280,27cyclictest0-21swapper/319:30:133
231809599280,26cyclictest0-21swapper/322:55:123
231809599280,26cyclictest0-21swapper/300:20:123
2318085992826,1cyclictest0-21swapper/221:10:002
2318085992825,2cyclictest0-21swapper/223:41:582
2318085992825,2cyclictest0-21swapper/222:52:002
2318085992825,2cyclictest0-21swapper/222:25:132
2318085992825,2cyclictest0-21swapper/221:25:142
2318085992825,2cyclictest0-21swapper/220:35:112
2318085992825,2cyclictest0-21swapper/219:27:592
231808599280,2cyclictest0-21swapper/200:30:152
231808599280,26cyclictest0-21swapper/222:30:132
231808599280,26cyclictest0-21swapper/221:22:592
231808599280,26cyclictest0-21swapper/220:52:592
231808599280,26cyclictest0-21swapper/220:31:592
231808599280,26cyclictest0-21swapper/220:31:592
231808599280,25cyclictest0-21swapper/222:07:592
4577091270,6ptp4l61490irq/134-eno1-TxRx-021:29:593
4577091270,6ptp4l61490irq/134-eno1-TxRx-021:20:013
4577091270,6ptp4l61490irq/134-eno1-TxRx-020:45:003
4577091270,6ptp4l441ktimers/322:29:563
4577091270,5ptp4l441ktimers/319:30:013
2318095992725,1cyclictest0-21swapper/321:33:593
2318095992725,1cyclictest0-21swapper/321:23:593
231809599270,26cyclictest0-21swapper/322:41:583
231809599270,26cyclictest0-21swapper/322:37:593
231809599270,26cyclictest0-21swapper/300:25:583
2318085992725,1cyclictest0-21swapper/222:25:012
2318085992724,2cyclictest0-21swapper/221:43:592
231808599270,26cyclictest0-21swapper/223:50:012
231808599270,25cyclictest0-21swapper/221:14:002
231808599270,19cyclictest0-21swapper/222:11:002
4577091260,6ptp4l61490irq/134-eno1-TxRx-023:40:003
4577091260,6ptp4l61490irq/134-eno1-TxRx-022:04:553
4577091260,5ptp4l61490irq/134-eno1-TxRx-022:50:013
4577091260,5ptp4l61490irq/134-eno1-TxRx-021:39:553
2318095992625,1cyclictest0-21swapper/320:25:133
231809599260,25cyclictest0-21swapper/320:30:593
231809599260,25cyclictest0-21swapper/320:30:593
231809599260,24cyclictest0-21swapper/319:20:093
2318085992623,2cyclictest0-21swapper/219:10:232
231808599260,2cyclictest0-21swapper/221:15:132
231808599260,24cyclictest0-21swapper/223:07:592
231808599260,24cyclictest0-21swapper/220:09:592
231808599260,24cyclictest0-21swapper/220:09:592
4577091250,5ptp4l61490irq/134-eno1-TxRx-022:20:013
4577091250,5ptp4l61490irq/134-eno1-TxRx-020:59:563
4577091250,4ptp4l441ktimers/300:19:563
2318085992522,2cyclictest0-21swapper/200:01:592
4577091240,4ptp4l441ktimers/320:39:553
2318095992422,1cyclictest0-21swapper/323:42:593
2318085992421,2cyclictest0-21swapper/223:29:562
2318085992118,2cyclictest0-21swapper/221:05:002
2318085992118,2cyclictest0-21swapper/219:40:592
2318085991715,1cyclictest351rcuc/219:35:002
231807499169,5cyclictest2318230-21cat19:10:020
2318085991513,1cyclictest0-21swapper/222:44:582
23180859970,6cyclictest0-21swapper/220:18:482
23180859940,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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