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2026-01-23 - 20:01
[ 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 Fri Jan 23, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9356819910897,8cyclictest1000577-21latency_hist10:40:011
9356799910292,6cyclictest1008018-21latency_hist11:20:010
935679999681,5cyclictest974558-21kworker/u8:1+events_unbound09:10:230
935679999681,5cyclictest974558-21kworker/u8:1+events_unbound09:10:220
935679999584,4cyclictest995284-21kworker/u8:1+events_unbound10:15:230
935681999371,20cyclictest1004579-21apt-get11:05:001
935679999382,8cyclictest1004572-21latency_hist11:05:010
935679999280,10cyclictest266-21systemd-journal10:30:010
935679999280,10cyclictest266-21systemd-journal10:30:000
935679999080,8cyclictest1004842-21latency_hist11:10:010
935681998476,6cyclictest996863-21latency_hist10:20:021
935679998475,7cyclictest1000313-21latency_hist10:35:000
935681998377,4cyclictest977807-21kworker/u8:0+events_unbound09:35:241
935679998379,3cyclictest1014452-21kworker/u8:3+flush-179:011:40:230
935679998379,3cyclictest1014452-21kworker/u8:3+flush-179:011:40:230
935681998176,3cyclictest933293-21kworker/u8:0+events_unbound07:25:231
935681998075,3cyclictest976145-21kworker/u8:2+events_unbound09:45:231
935679997974,4cyclictest966114-21kworker/u8:0+events_unbound08:45:230
935681997872,4cyclictest1004612-21kworker/u8:3+flush-179:011:20:241
935681997667,6cyclictest976145-21kworker/u8:2+flush-179:009:55:211
935681997666,7cyclictest943522-21latency_hist07:35:011
935681997666,7cyclictest943522-21latency_hist07:35:011
935681997662,5cyclictest976145-21kworker/u8:2+flush-179:009:19:591
935679997565,8cyclictest935805-21/usr/sbin/munin07:10:230
935679997465,7cyclictest946755-21latency_hist07:45:000
935679997465,3cyclictest966114-21kworker/u8:0+events_unbound08:55:240
935681997367,4cyclictest940384-21kworker/u8:1+flush-179:007:39:591
935679997369,3cyclictest977807-21kworker/u8:0+events_unbound09:25:200
935679997367,5cyclictest976197-21kworker/u8:3+events_unbound09:20:230
935679997267,4cyclictest976197-21kworker/u8:3+events_unbound10:00:220
935679997267,4cyclictest933293-21kworker/u8:0+events_unbound07:45:240
935679997265,5cyclictest954717-21http08:10:010
935681997165,4cyclictest933293-21kworker/u8:0+events_unbound08:10:021
935681997164,4cyclictest948557-21/usr/sbin/munin07:50:221
935681997162,6cyclictest938765-21latency_hist07:20:011
935681997159,5cyclictest1030361-21kworker/u8:2+events_unbound12:40:001
935679997166,4cyclictest1023934-21kworker/u8:0+flush-179:012:25:410
935679997064,4cyclictest945174-21kworker/u8:3+events_unbound07:50:140
935681996963,5cyclictest1011190-21kworker/u8:0+flush-179:011:35:001
935681996962,4cyclictest1023934-21kworker/u8:0+events_unbound12:20:131
935681996958,9cyclictest966112-21apt-get08:45:001
935679996964,3cyclictest1020731-21kworker/u8:0+events_unbound12:00:190
935681996762,4cyclictest1020739-21kworker/u8:3+flush-179:012:14:561
935681996758,7cyclictest992333-21/usr/sbin/munin10:05:231
935679996763,3cyclictest919318-21kworker/u8:2+flush-179:007:55:210
935679996763,3cyclictest919318-21kworker/u8:2+flush-179:007:55:200
935679996762,4cyclictest1011190-21kworker/u8:0+flush-179:011:30:260
935679996759,3cyclictest959784-21kworker/u8:2+events_unbound08:25:190
935681996661,4cyclictest977807-21kworker/u8:0+events_unbound09:30:231
935679996661,4cyclictest1011190-21kworker/u8:0+flush-179:011:35:200
935679996660,5cyclictest982565-21kworker/u8:1+events_unbound09:40:220
935679996659,6cyclictest971655-21apt-get09:00:110
93567999661,64cyclictest191rcuc/008:30:580
935681996561,3cyclictest976197-21kworker/u8:3+flush-179:009:30:011
935681996561,3cyclictest951546-21kworker/u8:3+events_unbound08:20:251
935679996560,4cyclictest992129-21kworker/u8:0+events_unbound10:20:230
935681996458,5cyclictest1019143-21kworker/u8:2+flush-179:012:05:011
935681996458,3cyclictest976197-21kworker/u8:3+events_unbound09:20:201
935679996459,4cyclictest1007368-21kworker/u8:1+flush-179:011:55:250
935679996458,5cyclictest933293-21kworker/u8:0+events_unbound08:10:170
935681996358,3cyclictest1019143-21kworker/u8:2+flush-179:012:15:201
935681996356,5cyclictest1019143-21kworker/u8:2+flush-179:011:55:001
935679996359,3cyclictest976145-21kworker/u8:2+events_unbound09:55:230
935679996356,5cyclictest1011213-21latency_hist11:30:010
935679996257,4cyclictest1020739-21kworker/u8:3+events_unbound12:10:260
935681996154,4cyclictest985728-21latency_hist09:45:011
935681996153,5cyclictest1002440-21latency_hist10:50:011
935679996156,4cyclictest974558-21kworker/u8:1+flush-179:009:15:250
935681996051,7cyclictest266-21systemd-journal11:44:591
935681996051,7cyclictest266-21systemd-journal11:44:591
935679996056,3cyclictest1007368-21kworker/u8:1+events_unbound11:45:230
935679995955,3cyclictest1020739-21kworker/u8:3+flush-179:012:05:210
935679995954,4cyclictest951546-21kworker/u8:3+flush-179:008:20:210
935681995853,3cyclictest933293-21kworker/u8:0+flush-179:008:05:141
935679995854,3cyclictest919318-21kworker/u8:2+flush-179:007:15:210
935679995853,4cyclictest1000551-21kworker/u8:2+flush-179:010:41:190
935684995754,2cyclictest0-21swapper/209:07:002
935681995750,5cyclictest1004293-21latency_hist11:00:001
935681995749,6cyclictest964498-21latency_hist08:40:011
935679995752,4cyclictest976197-21kworker/u8:3+flush-179:009:49:560
935679995752,4cyclictest919318-21kworker/u8:2+flush-179:008:00:200
935679995752,4cyclictest1007368-21kworker/u8:1+events_unbound11:50:250
935681995651,4cyclictest974558-21kworker/u8:1+flush-179:009:10:211
935681995651,4cyclictest974558-21kworker/u8:1+flush-179:009:10:201
935681995651,4cyclictest919318-21kworker/u8:2+flush-179:007:44:551
935681995650,4cyclictest992129-21kworker/u8:0+events_unbound10:20:201
935681995647,7cyclictest999005-21diskstats10:25:151
935681995647,7cyclictest999005-21diskstats10:25:151
935679995652,3cyclictest1030361-21kworker/u8:2+flush-179:012:35:410
935679995651,4cyclictest1020739-21kworker/u8:3+flush-179:012:19:550
935681995450,3cyclictest972969-21kworker/u8:2+flush-179:009:05:221
935681995449,3cyclictest959784-21kworker/u8:2+flush-179:008:25:231
935681995446,5cyclictest992129-21kworker/u8:0+events_unbound10:10:211
935681995443,3cyclictest951546-21kworker/u8:3+events_unbound08:30:241
935679995449,4cyclictest972969-21kworker/u8:2+events_unbound09:05:210
935681995348,4cyclictest919318-21kworker/u8:2+flush-179:007:59:561
935681995348,4cyclictest919318-21kworker/u8:2+flush-179:007:59:561
935679995348,4cyclictest1000551-21kworker/u8:2+flush-179:010:54:390
935679995347,4cyclictest1020739-21kworker/u8:3+events_unbound12:23:430
935681995247,4cyclictest1028966-21kworker/u8:1+flush-179:012:30:001
935681995246,4cyclictest919318-21kworker/u8:2+flush-179:008:00:181
935681995246,4cyclictest1007368-21kworker/u8:1+events_unbound11:55:231
935679995247,4cyclictest959770-21kworker/u8:1+flush-179:008:35:210
935681995145,4cyclictest966114-21kworker/u8:0+flush-179:008:55:001
935679995147,3cyclictest919318-21kworker/u8:2+events_unbound07:35:210
935679995146,4cyclictest976197-21kworker/u8:3+events_unbound09:50:190
935679995146,4cyclictest1004612-21kworker/u8:3+flush-179:011:20:250
935679995146,4cyclictest1002214-21kworker/u8:3+flush-179:010:49:550
935679995146,3cyclictest940384-21kworker/u8:1+flush-179:007:30:100
935679995146,3cyclictest940384-21kworker/u8:1+flush-179:007:30:100
935681995044,4cyclictest966114-21kworker/u8:0+flush-179:008:55:211
935681995041,3cyclictest1002678-21kworker/u8:0+events_unbound11:15:141
935681994943,4cyclictest1007368-21kworker/u8:1+flush-179:011:45:211
935681994941,6cyclictest958123-21latency_hist08:20:011
935679994944,4cyclictest1004612-21kworker/u8:3+flush-179:011:11:590
935679994944,4cyclictest1000551-21kworker/u8:2+events_unbound10:55:150
935679994941,5cyclictest266-21systemd-journal12:31:530
935679994939,8cyclictest266-21systemd-journal10:11:380
4577091490,13ptp4l441ktimers/307:10:013
935681994842,5cyclictest1000551-21kworker/u8:2+flush-179:010:55:011
935681994742,4cyclictest919318-21kworker/u8:2+flush-179:007:24:551
935681994740,6cyclictest266-21systemd-journal11:12:391
935679994742,4cyclictest968181-21kworker/u8:2+events_unbound08:50:180
935679994742,4cyclictest956524-21kworker/u8:1+flush-179:008:15:210
93568599460,44cyclictest966104-21turbostat08:45:013
935684994643,2cyclictest0-21swapper/210:06:582
935681994541,3cyclictest976145-21kworker/u8:2+events_unbound10:00:251
935681994540,4cyclictest966114-21kworker/u8:0+flush-179:008:49:391
935681994540,3cyclictest1002219-21systemd-run10:45:001
935681994536,6cyclictest919318-21kworker/u8:2+flush-179:007:45:151
935679994536,7cyclictest940349-21latency_hist07:25:010
935679994440,3cyclictest976197-21kworker/u8:3+flush-179:009:39:130
93568499430,40cyclictest0-21swapper/212:07:592
93568199417,1cyclictest171rcu_preempt11:25:141
93568599400,2cyclictest0-21swapper/307:21:593
93568499400,1cyclictest0-21swapper/212:20:592
935681994034,4cyclictest919318-21kworker/u8:2+flush-179:007:10:151
93568199400,39cyclictest1012810-21turbostat11:39:551
935679994036,3cyclictest992129-21kworker/u8:0+events_unbound10:05:030
935685993933,4cyclictest971137-21turbostat09:00:003
93568599390,4cyclictest973002-21turbostat09:05:013
93568599390,3cyclictest962914-21turbostat08:34:593
93568499390,36cyclictest0-21swapper/210:57:592
935679993935,3cyclictest951546-21kworker/u8:3+flush-179:008:41:100
935685993832,4cyclictest998475-21turbostat10:25:003
93568499380,36cyclictest0-21swapper/209:46:592
93568499380,35cyclictest0-21swapper/210:33:592
93568499380,35cyclictest0-21swapper/207:44:552
935681993832,5cyclictest1020739-21kworker/u8:3+events_unbound12:05:141
935679993831,5cyclictest1000632-21systemd-run10:40:010
935679993827,6cyclictest0-21swapper/009:31:000
935685993730,6cyclictest1022372-21turbostat12:05:003
935684993734,2cyclictest0-21swapper/208:28:592
935684993734,2cyclictest0-21swapper/208:13:592
93568499370,35cyclictest0-21swapper/210:53:592
93568499370,35cyclictest0-21swapper/210:42:592
93568499370,35cyclictest0-21swapper/210:37:582
93568499370,35cyclictest0-21swapper/209:19:002
93568499370,2cyclictest0-21swapper/207:28:592
93568499370,1cyclictest0-21swapper/211:56:592
935681993733,3cyclictest1030361-21kworker/u8:2+flush-179:012:34:561
935681993727,8cyclictest266-21systemd-journal09:00:001
935685993634,1cyclictest0-21swapper/309:55:583
935685993634,1cyclictest0-21swapper/308:46:593
935685993634,1cyclictest0-21swapper/308:10:593
935685993633,2cyclictest0-21swapper/312:10:593
935685993633,2cyclictest0-21swapper/311:33:583
935685993631,4cyclictest1017596-21turbostat11:50:013
93568599360,35cyclictest0-21swapper/311:17:003
93568599360,35cyclictest0-21swapper/309:38:583
93568599360,1cyclictest0-21swapper/309:34:563
93568499360,34cyclictest0-21swapper/210:29:002
93568499360,34cyclictest0-21swapper/210:28:592
93568499360,1cyclictest0-21swapper/209:28:592
935681993633,2cyclictest0-21swapper/110:34:001
935681993627,4cyclictest976197-21kworker/u8:3+events_unbound09:50:171
935679993632,3cyclictest940384-21kworker/u8:1+events_unbound07:26:410
935685993533,1cyclictest0-21swapper/310:14:593
935685993533,1cyclictest0-21swapper/307:34:593
935685993533,1cyclictest0-21swapper/307:34:593
93568599350,1cyclictest0-21swapper/307:55:593
93568599350,1cyclictest0-21swapper/307:55:583
935684993532,2cyclictest0-21swapper/211:40:592
935684993532,2cyclictest0-21swapper/211:40:592
935684993532,2cyclictest0-21swapper/211:04:562
935684993532,2cyclictest0-21swapper/210:24:592
93568499350,1cyclictest0-21swapper/210:03:592
93568499350,1cyclictest0-21swapper/209:40:582
93568499350,1cyclictest0-21swapper/208:36:592
935685993331,1cyclictest0-21swapper/311:54:593
935685993331,1cyclictest0-21swapper/308:19:553
935685993331,1cyclictest0-21swapper/307:29:593
935685993330,2cyclictest0-21swapper/308:24:563
935685993230,1cyclictest0-21swapper/309:51:003
935685993225,5cyclictest974588-21turbostat09:10:003
935684993229,2cyclictest0-21swapper/208:44:552
935684993229,2cyclictest0-21swapper/208:17:592
935685993129,1cyclictest0-21swapper/310:39:553
935684993027,2cyclictest0-21swapper/211:08:592
93568499300,29cyclictest0-21swapper/209:20:132
93568499300,29cyclictest0-21swapper/208:45:032
93568499300,28cyclictest0-21swapper/211:50:122
93568499300,27cyclictest0-21swapper/208:50:132
935685992927,1cyclictest0-21swapper/310:45:593
935685992925,2cyclictest0-21swapper/312:32:593
93568599290,28cyclictest0-21swapper/308:00:133
93568599290,27cyclictest0-21swapper/312:25:283
93568599290,27cyclictest0-21swapper/308:25:143
935684992926,2cyclictest0-21swapper/212:26:132
935684992926,2cyclictest0-21swapper/212:18:592
935684992926,2cyclictest0-21swapper/209:57:002
935684992926,2cyclictest0-21swapper/209:35:132
935684992926,2cyclictest0-21swapper/208:20:592
935684992926,2cyclictest0-21swapper/207:55:132
935684992926,2cyclictest0-21swapper/207:55:132
935684992925,2cyclictest0-21swapper/208:30:592
93568499290,27cyclictest0-21swapper/212:00:122
93568499290,27cyclictest0-21swapper/209:10:112
93568499290,27cyclictest0-21swapper/209:10:112
93568499290,1cyclictest0-21swapper/207:45:132
935681992924,3cyclictest1002678-21kworker/u8:0+events_unbound11:05:391
935685992826,1cyclictest0-21swapper/311:25:133
935685992826,1cyclictest0-21swapper/310:55:103
935685992826,1cyclictest0-21swapper/310:15:113
935685992826,1cyclictest0-21swapper/310:00:113
935685992826,1cyclictest0-21swapper/309:43:593
93568599280,2cyclictest0-21swapper/311:10:093
93568599280,27cyclictest0-21swapper/309:22:583
93568599280,26cyclictest0-21swapper/311:40:123
93568599280,26cyclictest0-21swapper/311:40:123
93568599280,26cyclictest0-21swapper/307:10:133
935684992825,2cyclictest0-21swapper/208:56:582
935684992825,2cyclictest0-21swapper/207:21:592
93568499280,26cyclictest0-21swapper/209:00:022
93568499280,26cyclictest0-21swapper/208:05:142
935685992725,1cyclictest0-21swapper/312:23:593
935685992725,1cyclictest0-21swapper/312:05:113
935685992725,1cyclictest0-21swapper/311:20:593
935685992725,1cyclictest0-21swapper/311:06:593
935685992725,1cyclictest0-21swapper/310:40:093
935685992725,1cyclictest0-21swapper/307:47:593
935685992725,1cyclictest0-21swapper/307:35:593
935684992724,2cyclictest0-21swapper/207:54:002
935684992724,2cyclictest0-21swapper/207:10:132
93568499270,26cyclictest0-21swapper/207:15:102
935685992624,1cyclictest0-21swapper/307:18:593
93568599260,25cyclictest0-21swapper/312:16:593
93568599260,24cyclictest0-21swapper/312:35:083
935684992623,2cyclictest0-21swapper/211:15:132
935684992623,2cyclictest0-21swapper/207:31:592
935684992623,2cyclictest0-21swapper/207:31:592
93568499260,2cyclictest0-21swapper/212:36:592
935685992523,1cyclictest0-21swapper/311:03:583
93568599250,24cyclictest0-21swapper/308:38:593
935684992522,2cyclictest0-21swapper/212:12:592
4577091250,3ptp4l441ktimers/308:10:003
935685992422,1cyclictest0-21swapper/311:36:593
93568599240,23cyclictest0-21swapper/309:18:003
93568599240,1cyclictest0-21swapper/310:54:553
93568599240,1cyclictest0-21swapper/308:54:583
4577091240,3ptp4l61490irq/134-eno1-TxRx-010:35:003
4577091240,3ptp4l61490irq/134-eno1-TxRx-007:55:013
4577091240,3ptp4l61490irq/134-eno1-TxRx-007:45:013
4577091240,3ptp4l441ktimers/310:29:563
4577091240,3ptp4l441ktimers/310:29:553
4577091240,3ptp4l441ktimers/310:09:563
4577091240,3ptp4l441ktimers/309:30:013
4577091240,3ptp4l441ktimers/309:15:013
4577091240,3ptp4l441ktimers/309:15:003
935684992321,1cyclictest0-21swapper/212:35:012
935684992320,2cyclictest0-21swapper/211:22:002
4577091230,3ptp4l441ktimers/312:00:003
4577091230,3ptp4l441ktimers/309:49:563
231999230,12rtkit-daemon935576-21systemd-run07:10:011
935684992219,2cyclictest0-21swapper/208:01:582
935684992118,2cyclictest0-21swapper/207:38:002
935684992016,2cyclictest0-21swapper/211:15:002
935684991816,1cyclictest0-21swapper/210:20:002
935679991811,2cyclictest171rcu_preempt07:10:020
935684991713,2cyclictest0-21swapper/209:31:002
935684991512,2cyclictest0-21swapper/211:39:592
93568499107,2cyclictest0-21swapper/211:30:592
9356849990,7cyclictest0-21swapper/209:52:272
9356849985,2cyclictest0-21swapper/210:11:412
9356849970,6cyclictest0-21swapper/211:49:202
9356849970,6cyclictest0-21swapper/210:45:402
9356849963,2cyclictest0-21swapper/211:29:252
9356849930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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