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2026-02-26 - 13:58
[ 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 792 highest latencies:
System rackeslot6.osadl.org (updated Thu Feb 26, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
239610399114108,4cyclictest2450192-21kworker/u8:0+flush-179:022:10:000
23961059910595,7cyclictest266-21systemd-journal22:59:591
23961039910292,7cyclictest2410413-21latency_hist19:55:000
23961059910094,5cyclictest2467531-21kworker/u8:1+flush-179:023:20:001
2396105999991,4cyclictest2397155-21kworker/u8:1+flush-179:019:45:001
2396105999589,5cyclictest2402503-21kworker/u8:3+events_unbound20:05:231
2396105999586,4cyclictest2440895-21kworker/u8:2+events_unbound21:30:231
2396105999287,4cyclictest2450192-21kworker/u8:0+events_unbound22:30:001
2396105998776,9cyclictest2412010-21latency_hist20:00:021
2396103998777,8cyclictest2408829-21latency_hist19:50:010
2396105998668,5cyclictest2446515-21kworker/u8:1+events_unbound22:20:231
2396103998675,8cyclictest266-21systemd-journal23:40:010
2396103998578,5cyclictest2465608-21kworker/u8:4+flush-179:023:10:010
2396105998272,7cyclictest2402503-21kworker/u8:3+events_unbound19:45:191
2396105998271,4cyclictest2397155-21kworker/u8:1+events_unbound19:50:231
2396103998274,6cyclictest2499557-21apt-get00:29:470
2396103998274,6cyclictest2425266-21kworker/u8:0+flush-179:020:45:010
2396105998075,4cyclictest2428587-21kworker/u8:3+events_unbound20:50:031
2396103997968,9cyclictest2459436-21/usr/sbin/munin22:25:220
2396105997873,4cyclictest2443054-21kworker/u8:3+events_unbound21:40:221
2396105997872,4cyclictest2428587-21kworker/u8:3+events_unbound20:55:211
2396105997872,4cyclictest2425266-21kworker/u8:0+events_unbound20:45:021
2396105997870,6cyclictest2428587-21kworker/u8:3+events_unbound21:20:191
2396105997866,9cyclictest266-21systemd-journal23:25:001
2396105997865,5cyclictest2494162-21kworker/u8:0+events_unbound00:20:211
2396105997772,4cyclictest2465608-21kworker/u8:4+events_unbound22:50:241
2396105997772,3cyclictest2425268-21kworker/u8:1+flush-179:021:00:201
2396105997671,4cyclictest2482538-21kworker/u8:2+events_unbound00:25:251
2396105997569,5cyclictest2461447-21kworker/u8:2+flush-179:022:35:241
2396105997566,6cyclictest2494162-21kworker/u8:0+events_unbound00:15:201
2396103997568,6cyclictest2465608-21kworker/u8:4+flush-179:023:05:000
2396103997567,5cyclictest2440895-21kworker/u8:2+flush-179:021:55:010
2396105997469,4cyclictest2402503-21kworker/u8:3+events_unbound20:15:141
2396105997469,4cyclictest2394364-21kworker/u8:3+events_unbound19:15:241
2396105997468,4cyclictest2397155-21kworker/u8:1+events_unbound20:00:021
2396103997468,5cyclictest2482538-21kworker/u8:2+flush-179:000:34:560
2396105997367,5cyclictest2478593-21kworker/u8:3+flush-179:023:40:001
2396105997367,4cyclictest2450192-21kworker/u8:0+flush-179:022:15:211
2396103997366,5cyclictest2488346-21kworker/u8:0+flush-179:000:00:000
2396105997264,6cyclictest2400881-21latency_hist19:25:011
2396105997261,9cyclictest2426609-21apt-get20:45:001
2396103997267,3cyclictest2438516-21kworker/u8:0+flush-179:021:30:010
2396105997167,3cyclictest2402503-21kworker/u8:3+events_unbound20:35:231
2396103997161,7cyclictest266-21systemd-journal21:07:400
2396105997065,4cyclictest2425268-21kworker/u8:1+events_unbound21:10:241
2396103996962,4cyclictest2478531-21kworker/u8:0+flush-179:023:30:220
2396103996960,7cyclictest2432130-21/usr/sbin/munin21:00:230
2396105996863,4cyclictest2450192-21kworker/u8:0+flush-179:022:10:191
2396105996863,4cyclictest2394364-21kworker/u8:3+events_unbound19:10:221
2396105996861,6cyclictest2482538-21kworker/u8:2+events_unbound23:50:001
2396103996862,4cyclictest2494162-21kworker/u8:0+events_unbound00:35:130
2396105996760,5cyclictest2404054-21latency_hist19:35:011
2396105996759,5cyclictest2489738-21kworker/u8:1+flush-179:000:10:181
2396105996758,7cyclictest2446515-21kworker/u8:1+events_unbound21:45:121
2396105996661,3cyclictest266-21systemd-journal19:40:011
2396105996660,4cyclictest2440895-21kworker/u8:2+flush-179:021:40:001
2396105996660,4cyclictest2440895-21kworker/u8:2+events_unbound21:50:131
2396105996659,5cyclictest2425268-21kworker/u8:1+flush-179:021:10:001
2396103996659,5cyclictest2399332-21kworker/u8:2+flush-179:019:25:000
2396105996558,5cyclictest2402503-21kworker/u8:3+flush-179:020:10:141
2396105996556,6cyclictest2467531-21kworker/u8:1+events_unbound23:10:131
2396105996459,4cyclictest2482538-21kworker/u8:2+events_unbound23:40:241
2396105996456,6cyclictest2446515-21kworker/u8:1+events_unbound22:30:141
2396105996456,6cyclictest2418613-21kworker/u8:2+events_unbound20:20:181
2396105996358,4cyclictest2465608-21kworker/u8:4+flush-179:023:00:211
2396103996357,4cyclictest2450192-21kworker/u8:0+events_unbound22:30:180
2396105996257,3cyclictest2478531-21kworker/u8:0+flush-179:023:35:011
2396103996255,5cyclictest2450192-21kworker/u8:0+flush-179:022:10:200
2396103996255,4cyclictest2418613-21kworker/u8:2+flush-179:020:40:000
2396103996156,4cyclictest2478531-21kworker/u8:0+events_unbound23:25:240
2396105996051,6cyclictest2494162-21kworker/u8:0+events_unbound00:30:131
2396103996052,6cyclictest2443017-21latency_hist21:35:020
2396105995954,4cyclictest2482538-21kworker/u8:2+flush-179:023:55:221
2396103995953,4cyclictest2428587-21kworker/u8:3+events_unbound21:20:140
2396105995853,4cyclictest2478531-21kworker/u8:0+flush-179:023:25:261
2396105995853,4cyclictest2450192-21kworker/u8:0+flush-179:022:45:201
2396105995847,10cyclictest2482538-21kworker/u8:2+flush-179:023:50:231
2396103995853,3cyclictest2402503-21kworker/u8:3+flush-179:020:15:200
2396103995852,5cyclictest2450192-21kworker/u8:0+flush-179:022:40:010
2396103995744,11cyclictest2428452-21apt-get20:50:000
2396105995651,4cyclictest2438516-21kworker/u8:0+flush-179:021:25:251
2396103995653,2cyclictest2418613-21kworker/u8:2+events_unbound20:30:250
2396103995649,5cyclictest2478593-21kworker/u8:3+flush-179:023:40:200
2396103995545,7cyclictest2465608-21kworker/u8:4+events_unbound22:55:200
2396105995449,3cyclictest2482538-21kworker/u8:2+events_unbound00:05:201
2396103995442,6cyclictest2461447-21kworker/u8:2+events_unbound22:40:230
2396109995349,3cyclictest0-21swapper/219:12:592
2396105995348,4cyclictest2489738-21kworker/u8:1+events_unbound00:04:031
2396103995348,3cyclictest1-21systemd00:04:490
2396103995347,4cyclictest2430286-21latency_hist20:55:000
2396114995249,1cyclictest0-21swapper/319:12:593
2396105995248,3cyclictest2450192-21kworker/u8:0+flush-179:022:05:251
2396103995241,9cyclictest2486758-21apt-get23:50:100
2396103995240,9cyclictest2497713-21apt-get00:25:000
2396105995146,4cyclictest2418613-21kworker/u8:2+flush-179:020:30:221
2396103995146,4cyclictest2418613-21kworker/u8:2+flush-179:020:20:200
2396105995046,3cyclictest2446515-21kworker/u8:1+flush-179:022:00:211
2396105995043,6cyclictest2433526-21kworker/u8:2+flush-179:021:19:561
2396103995043,5cyclictest2430524-21/usr/sbin/munin20:55:240
2396103995040,8cyclictest2475113-21apt-get23:15:010
2396105994944,4cyclictest2397155-21kworker/u8:1+events_unbound19:25:171
2396105994938,5cyclictest2461447-21kworker/u8:2+events_unbound22:40:171
2396103994944,3cyclictest2494162-21kworker/u8:0+flush-179:000:15:180
2396103994943,5cyclictest2397155-21kworker/u8:1+flush-179:019:25:210
2396103994942,6cyclictest2402503-21kworker/u8:3+flush-179:019:35:210
2396103994942,5cyclictest2397155-21kworker/u8:1+flush-179:020:05:210
2396105994843,4cyclictest2494162-21kworker/u8:0+flush-179:000:35:261
2396103994842,4cyclictest2478593-21kworker/u8:3+flush-179:023:45:240
4577091470,12ptp4l441ktimers/319:09:563
2396105994735,3cyclictest2465608-21kworker/u8:4+events_unbound23:05:171
2396103994743,3cyclictest2397155-21kworker/u8:1+flush-179:020:00:170
2396103994638,6cyclictest2450192-21kworker/u8:0+flush-179:022:50:010
2396103994539,4cyclictest2449895-21apt-get21:55:120
2396105994433,9cyclictest2420490-21apt-get20:25:101
2396103994439,4cyclictest2394364-21kworker/u8:3+flush-179:019:10:210
2396103994438,4cyclictest2482538-21kworker/u8:2+events_unbound00:05:140
2396103994237,4cyclictest2399332-21kworker/u8:2+flush-179:019:30:190
2396103994236,4cyclictest2475612-21apt-get23:15:110
2396103994233,7cyclictest2440895-21kworker/u8:2+events_unbound21:40:020
239611499410,38cyclictest0-21swapper/321:50:593
2396103994136,4cyclictest2402503-21kworker/u8:3+flush-179:020:10:210
2396103994134,5cyclictest2421835-21awk20:30:000
2396103994134,5cyclictest2402503-21kworker/u8:3+events_unbound19:55:140
239610399411,38cyclictest714-21Xorg22:20:590
239610399410,39cyclictest266-21systemd-journal21:20:000
239610999400,37cyclictest0-21swapper/220:40:592
2396103994036,3cyclictest2467531-21kworker/u8:1+flush-179:023:20:210
239610399400,38cyclictest2444599-21cron21:40:000
239610399400,38cyclictest2407252-21munin-run19:45:000
239611499390,1cyclictest0-21swapper/322:35:593
239610999390,36cyclictest0-21swapper/221:22:002
239610999390,36cyclictest0-21swapper/200:34:562
239610999390,2cyclictest0-21swapper/219:33:002
239610999390,1cyclictest0-21swapper/221:50:592
2396109993835,2cyclictest0-21swapper/223:22:592
2396109993834,2cyclictest0-21swapper/221:43:592
239610999380,36cyclictest0-21swapper/223:47:582
239610999380,35cyclictest0-21swapper/219:26:582
239610999380,2cyclictest0-21swapper/222:35:592
2396105993834,3cyclictest2446515-21kworker/u8:1+events_unbound21:57:401
2396103993834,3cyclictest1-21systemd19:20:000
239610399381,35cyclictest484-21dbus-daemon22:05:010
231999380,25rtkit-daemon2396043-21ls19:10:030
2396114993735,1cyclictest0-21swapper/322:10:593
2396114993734,2cyclictest0-21swapper/323:20:583
2396114993734,2cyclictest0-21swapper/323:17:593
2396114993734,2cyclictest0-21swapper/321:43:593
2396114993734,2cyclictest0-21swapper/319:21:593
239611499370,36cyclictest0-21swapper/320:41:003
239611499370,36cyclictest0-21swapper/320:34:593
239611499370,35cyclictest0-21swapper/323:44:583
2396109993734,2cyclictest0-21swapper/223:00:002
2396109993734,2cyclictest0-21swapper/221:35:592
2396109993734,2cyclictest0-21swapper/219:45:592
2396109993733,2cyclictest0-21swapper/223:33:592
239610999370,35cyclictest0-21swapper/220:34:592
239611499360,1cyclictest0-21swapper/320:48:593
2396109993631,2cyclictest0-21swapper/222:19:552
239610999360,1cyclictest0-21swapper/223:44:592
2396103993630,5cyclictest2446515-21kworker/u8:1+flush-179:021:50:000
2396103993629,5cyclictest2425268-21kworker/u8:1+flush-179:021:10:210
2396114993533,1cyclictest0-21swapper/321:35:593
2396114993533,1cyclictest0-21swapper/319:46:003
239611499350,1cyclictest0-21swapper/319:32:593
2396109993531,2cyclictest0-21swapper/223:54:552
2396109993531,2cyclictest0-21swapper/219:19:562
239610999350,1cyclictest0-21swapper/220:49:002
2396114993432,1cyclictest0-21swapper/323:00:003
2396114993431,2cyclictest0-21swapper/323:33:593
2396114993427,5cyclictest2499610-21turbostat00:30:013
2396109993431,2cyclictest0-21swapper/200:21:592
239610999340,2cyclictest0-21swapper/221:58:592
2396103993431,2cyclictest2467402-21apt22:50:130
2396103993429,4cyclictest2450192-21kworker/u8:0+flush-179:022:15:160
2396114993331,1cyclictest0-21swapper/322:19:553
2396114993331,1cyclictest0-21swapper/319:19:553
2396114993329,2cyclictest0-21swapper/322:53:593
2396109993330,2cyclictest0-21swapper/219:37:002
2396109993329,2cyclictest0-21swapper/222:53:582
2396109993329,2cyclictest0-21swapper/221:11:592
2396109993329,2cyclictest0-21swapper/220:14:002
2396114993230,1cyclictest0-21swapper/323:54:553
2396114993230,1cyclictest0-21swapper/319:36:593
2396114993230,1cyclictest0-21swapper/319:28:593
2396114993228,2cyclictest0-21swapper/321:11:593
2396114993228,2cyclictest0-21swapper/320:13:593
2396109993228,2cyclictest0-21swapper/220:23:582
2396109993228,2cyclictest0-21swapper/219:21:592
2396114993129,1cyclictest0-21swapper/321:00:003
2396114993129,1cyclictest0-21swapper/300:21:593
2396114993125,5cyclictest2473526-21turbostat23:10:003
239611499310,30cyclictest0-21swapper/321:07:593
2396109993129,1cyclictest0-21swapper/220:59:592
2396109993128,2cyclictest0-21swapper/200:15:592
2396109993127,2cyclictest0-21swapper/222:25:122
239610999310,29cyclictest0-21swapper/221:07:592
239610999310,28cyclictest0-21swapper/223:19:592
2396114993028,1cyclictest0-21swapper/300:15:583
2396114993027,2cyclictest0-21swapper/320:23:593
239611499300,28cyclictest0-21swapper/320:50:013
239611499300,28cyclictest0-21swapper/319:55:123
239611499300,27cyclictest0-21swapper/300:35:123
239611499300,1cyclictest0-21swapper/321:58:593
2396109993027,2cyclictest0-21swapper/222:12:592
2396109993027,2cyclictest0-21swapper/220:50:022
2396109993027,2cyclictest0-21swapper/200:39:002
2396109993026,2cyclictest0-21swapper/200:04:562
239610399301,28cyclictest0-21swapper/000:10:110
2396114992927,1cyclictest0-21swapper/322:25:583
239611499290,27cyclictest0-21swapper/322:20:133
239611499290,27cyclictest0-21swapper/319:40:123
239610999290,2cyclictest0-21swapper/200:25:032
239610999290,27cyclictest0-21swapper/223:05:132
239610999290,27cyclictest0-21swapper/222:20:132
239610999290,27cyclictest0-21swapper/221:00:142
239610999290,27cyclictest0-21swapper/220:00:022
239610999290,27cyclictest0-21swapper/219:55:122
239610999290,27cyclictest0-21swapper/219:40:112
4577091280,7ptp4l441ktimers/319:55:003
2396114992825,2cyclictest0-21swapper/323:01:593
2396114992824,2cyclictest0-21swapper/322:45:123
239611499280,2cyclictest0-21swapper/300:13:593
239611499280,27cyclictest0-21swapper/321:00:133
239611499280,27cyclictest0-21swapper/320:00:033
239611499280,1cyclictest0-21swapper/320:35:133
2396109992825,2cyclictest0-21swapper/222:45:122
239610999280,2cyclictest0-21swapper/220:35:132
4577091270,6ptp4l441ktimers/322:10:003
4577091270,6ptp4l441ktimers/321:35:023
4577091270,6ptp4l441ktimers/321:20:013
2396114992723,3cyclictest0-21swapper/323:55:143
2396109992724,2cyclictest0-21swapper/223:55:142
2396109992724,2cyclictest0-21swapper/220:28:002
2396109992724,2cyclictest0-21swapper/200:13:592
2396109992723,2cyclictest0-21swapper/220:06:002
4577091260,6ptp4l441ktimers/322:05:013
4577091260,5ptp4l441ktimers/322:45:013
4577091260,4ptp4l441ktimers/300:10:013
2396114992624,1cyclictest0-21swapper/300:04:553
2396109992624,1cyclictest0-21swapper/223:10:112
2396109992623,2cyclictest0-21swapper/223:26:592
2396109992623,2cyclictest0-21swapper/200:08:592
239610999260,24cyclictest0-21swapper/222:32:002
4577091250,6ptp4l61490irq/134-eno1-TxRx-021:50:013
4577091250,5ptp4l441ktimers/323:15:013
4577091250,5ptp4l441ktimers/320:10:013
2396114992523,1cyclictest0-21swapper/323:27:003
2396114992523,1cyclictest0-21swapper/320:27:593
2396114992522,2cyclictest0-21swapper/300:30:123
2396109992522,2cyclictest0-21swapper/223:03:592
2396109992522,1cyclictest0-21swapper/221:34:592
2396109992521,2cyclictest0-21swapper/221:25:592
45782912421,2phc2sys0-21swapper/323:35:113
4577091240,5ptp4l61490irq/134-eno1-TxRx-020:20:003
2396109992421,2cyclictest0-21swapper/222:40:592
2396109992420,2cyclictest0-21swapper/222:00:592
2396105992420,3cyclictest0-21swapper/119:10:031
2396114992321,2cyclictest0-21swapper/321:25:593
2396114992321,1cyclictest0-21swapper/321:22:593
2396114992317,5cyclictest2486510-21turbostat23:50:003
2396109992320,2cyclictest0-21swapper/221:16:592
4577091220,3ptp4l61490irq/134-eno1-TxRx-022:34:553
2396109992219,2cyclictest0-21swapper/222:05:122
2396109992219,2cyclictest0-21swapper/219:50:132
2396109992117,2cyclictest0-21swapper/220:18:592
2396109991916,2cyclictest0-21swapper/221:47:592
2396109991613,2cyclictest0-21swapper/223:38:592
23961099940,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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