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2026-02-16 - 18:39
[ 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 100 highest latencies:
System rack0slot2.osadl.org (updated Mon Feb 16, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116838221060,1sleep71168383-21ssh10:24:587
13243522920,1sleep60-21swapper/611:28:206
74304125545,7sleep40-21swapper/407:03:594
743436994640,5cyclictest1012272-21latency_hist09:20:347
743436994536,8cyclictest1179070-21pool-gnome-soft10:27:347
743432994037,2cyclictest1277373-21kworker/u16:0+flush-8:011:10:346
7428662403,31sleep70-21swapper/707:01:297
743427993936,2cyclictest879846-21kworker/u16:2+events_unbound09:50:485
74301623929,7sleep60-21swapper/607:03:366
743436993832,5cyclictest833015-21latency_hist07:50:347
743423993835,2cyclictest1095013-21kworker/u16:1+flush-8:011:40:344
743432993735,2cyclictest918609-21kworker/u16:3+flush-8:008:40:346
743427993733,3cyclictest1155465-21kworker/u16:0+flush-8:010:25:345
743427993635,1cyclictest1095013-21kworker/u16:1+events_unbound11:31:485
743423993533,2cyclictest1444007-21kworker/u16:0+events_unbound12:20:554
743423993532,2cyclictest644986-21kworker/u16:1+events_unbound08:35:474
743436993432,1cyclictest0-21swapper/711:25:547
743432993332,1cyclictest1095013-21kworker/u16:1+flush-8:010:06:046
743432993331,2cyclictest879846-21kworker/u16:2+flush-8:009:46:006
743432993230,2cyclictest1121003-21kworker/u16:3+flush-8:010:27:546
743427993230,2cyclictest1095013-21kworker/u16:1+flush-8:011:45:575
743427993230,2cyclictest1095013-21kworker/u16:1+flush-8:011:21:115
743436993128,2cyclictest1250830-21ssh10:56:027
743436993125,5cyclictest899862-21latency_hist08:25:357
743423993129,2cyclictest1095013-21kworker/u16:1+events_unbound11:50:494
743436993025,4cyclictest650-21systemd-journal09:55:347
743432993028,2cyclictest842711-21kworker/u16:3+flush-8:008:11:006
74296823019,8sleep50-21swapper/507:02:555
743436992927,1cyclictest1459235-21ssh12:25:467
743432992927,2cyclictest1361748-21kworker/u16:4+events_unbound12:15:506
743427992926,2cyclictest785465-21kworker/u16:2+events_unbound07:30:485
743423992927,2cyclictest1095013-21kworker/u16:1+events_unbound12:30:494
743436992826,1cyclictest1310461-21ssh11:20:597
743436992823,4cyclictest650-21systemd-journal08:05:347
743432992826,2cyclictest899535-21kworker/u16:0+flush-8:008:31:006
743432992826,2cyclictest1277373-21kworker/u16:0+flush-8:011:36:036
743427992826,2cyclictest1095013-21kworker/u16:1+events_unbound10:46:025
743423992825,2cyclictest879846-21kworker/u16:2+flush-8:010:00:444
743423992825,2cyclictest879846-21kworker/u16:2+flush-8:010:00:444
743423992825,2cyclictest1312217-21kworker/u16:2+events_unbound11:25:464
743423992825,2cyclictest1155465-21kworker/u16:0+flush-8:010:28:034
74343699272,24cyclictest1024457-21sed09:25:347
743436992721,5cyclictest937998-21latency_hist08:45:347
743427992725,2cyclictest956947-21kworker/u16:0+events_unbound09:15:475
743423992725,2cyclictest1095013-21kworker/u16:1+events_unbound10:37:364
12284092270,1chrt1228410-21sh10:49:187
743432992624,2cyclictest1312217-21kworker/u16:2+events_unbound12:05:366
743432992624,2cyclictest1312217-21kworker/u16:2+events_unbound11:41:036
743427992624,2cyclictest1312217-21kworker/u16:2+flush-8:011:35:585
743427992624,2cyclictest1024367-21kworker/u16:3+events_unbound09:40:595
743423992523,2cyclictest751913-21kworker/u16:4+events_unbound07:20:524
743423992523,2cyclictest1361748-21kworker/u16:4+flush-8:012:15:294
12409082250,0chrt1240906-21ssh10:55:037
743432992422,2cyclictest966789-21kworker/u16:1+events_unbound09:00:526
743432992422,2cyclictest879846-21kworker/u16:2+flush-8:009:25:296
743432992422,2cyclictest1024367-21kworker/u16:3+events_unbound09:40:366
743427992421,2cyclictest1095013-21kworker/u16:1+events_unbound10:26:025
743423992422,2cyclictest1312217-21kworker/u16:2+events_unbound11:45:524
743423992422,2cyclictest1217137-21kworker/u16:4+events_unbound10:51:034
743423992421,3cyclictest1095013-21kworker/u16:1+flush-8:011:56:024
743423992421,3cyclictest1095013-21kworker/u16:1+flush-8:011:56:024
743423992421,2cyclictest644986-21kworker/u16:1+flush-8:008:45:514
743432992321,2cyclictest918609-21kworker/u16:3+events_unbound08:50:526
743432992321,2cyclictest879846-21kworker/u16:2+events_unbound09:07:246
743423992320,2cyclictest879846-21kworker/u16:2+events_unbound08:25:494
743436992218,3cyclictest902-21dbus-daemon11:20:337
743436992218,3cyclictest902-21dbus-daemon11:20:337
743427992219,2cyclictest1217137-21kworker/u16:4+events_unbound10:50:475
743423992220,2cyclictest879846-21kworker/u16:2+flush-8:010:10:294
743436992121,0cyclictest0-21swapper/711:55:527
743436992121,0cyclictest0-21swapper/711:55:527
743436992120,0cyclictest0-21swapper/710:15:507
743436992120,0cyclictest0-21swapper/709:35:517
743432992119,2cyclictest918609-21kworker/u16:3+flush-8:008:45:346
743432992117,3cyclictest918609-21kworker/u16:3+flush-8:008:45:546
743427992118,2cyclictest918609-21kworker/u16:3+flush-8:008:55:515
743423992118,2cyclictest832690-21kworker/u16:2+flush-8:007:55:344
743436992019,1cyclictest0-21swapper/712:10:517
743436992019,0cyclictest0-21swapper/711:45:487
743436992018,1cyclictest1330706-21ssh11:30:537
743432992018,2cyclictest39245-21kworker/u16:0+flush-8:007:06:006
743432992018,2cyclictest1361748-21kworker/u16:4+flush-8:011:55:556
743432992018,2cyclictest1361748-21kworker/u16:4+flush-8:011:55:556
743432992018,2cyclictest1095013-21kworker/u16:1+events_unbound12:20:476
743423992018,2cyclictest1095013-21kworker/u16:1+events_unbound11:16:024
743423992018,2cyclictest1095013-21kworker/u16:1+events_unbound11:16:024
743423992017,2cyclictest1095013-21kworker/u16:1+flush-8:011:10:504
743436991919,0cyclictest0-21swapper/710:40:487
743436991917,1cyclictest976151-21diskmemload10:35:517
743436991914,4cyclictest1096480-21latency_hist09:55:347
743432991917,2cyclictest842711-21kworker/u16:3+flush-8:008:20:506
743432991917,2cyclictest1155465-21kworker/u16:0+events_unbound10:41:036
743427991917,2cyclictest751913-21kworker/u16:4+flush-8:007:25:345
743423991916,3cyclictest1024367-21kworker/u16:3+events_unbound09:50:594
743436991817,0cyclictest0-21swapper/707:35:497
743436991813,4cyclictest957044-21latency_hist08:55:347
743432991816,2cyclictest1457144-21kworker/u16:2+events_unbound12:27:396
743432991816,2cyclictest1312217-21kworker/u16:2+events_unbound11:46:356
743432991816,2cyclictest1121003-21kworker/u16:3+events_unbound10:22:566
743432991815,2cyclictest0-21swapper/608:00:466
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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