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2026-02-11 - 17:24
[ 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 Wed Feb 11, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300522521020,0sleep50-21swapper/511:01:145
248053325420,29sleep70-21swapper/707:03:427
2480968994440,3cyclictest2513718-21kworker/u16:3+flush-8:007:28:086
2480967994442,2cyclictest3133097-21kworker/u16:3+flush-8:012:31:235
2480967994341,2cyclictest3096090-21kworker/u16:3+events_unbound11:41:195
248040624232,7sleep40-21swapper/407:01:544
2480973994136,4cyclictest650-21systemd-journal10:15:537
2480967994139,2cyclictest2963427-21kworker/u16:0+events_unbound11:21:175
247147424129,8sleep50-21swapper/507:00:595
2480967994038,2cyclictest2963427-21kworker/u16:0+flush-8:011:16:155
248097399390,38cyclictest6471-21gnome-software07:28:087
2480967993937,2cyclictest2581590-21kworker/u16:0+events_unbound09:31:455
2480967993836,2cyclictest2697629-21kworker/u16:1+events_unbound10:23:015
2480967993836,2cyclictest2697629-21kworker/u16:1+events_unbound10:23:015
248059723816,7sleep60-21swapper/607:04:376
2480967993735,2cyclictest2826361-21kworker/u16:3+events_unbound09:49:365
2480967993634,2cyclictest2581590-21kworker/u16:0+events_unbound09:37:255
2480967993633,2cyclictest2471476-21kworker/u16:3+events_unbound07:05:575
2480967993533,2cyclictest2697629-21kworker/u16:1+events_unbound10:29:045
2480963993532,2cyclictest2581590-21kworker/u16:0+flush-8:008:46:254
2480967993432,2cyclictest3133097-21kworker/u16:3+events_unbound11:51:565
2480967993432,2cyclictest2864968-21kworker/u16:2+events_unbound11:30:205
2480967993331,2cyclictest3133097-21kworker/u16:3+events_unbound12:20:385
2480967993331,2cyclictest2963427-21kworker/u16:0+events_unbound10:50:205
2480967993331,2cyclictest2901701-21kworker/u16:3+flush-8:010:41:295
2480967993331,2cyclictest2864968-21kworker/u16:2+events_unbound12:30:385
2480967993331,2cyclictest2532864-21kworker/u16:2+events_unbound07:43:505
2480967993230,2cyclictest2864968-21kworker/u16:2+events_unbound11:45:565
2480967993230,2cyclictest2864968-21kworker/u16:2+events_unbound11:10:385
2480967993229,2cyclictest2864968-21kworker/u16:2+events_unbound11:56:125
2480973993126,4cyclictest2926224-21latency_hist10:30:547
2480967993129,2cyclictest2864968-21kworker/u16:2+events_unbound10:37:305
2480967993028,2cyclictest967783-21kworker/u16:0+events_unbound07:20:045
2480967993028,2cyclictest3172828-21kworker/u16:4+flush-8:012:11:265
2480967993028,2cyclictest3133097-21kworker/u16:3+events_unbound12:24:585
2480967993028,2cyclictest3133097-21kworker/u16:3+events_unbound12:08:035
2480967993028,2cyclictest2963427-21kworker/u16:0+events_unbound10:51:395
2480967993028,2cyclictest2864968-21kworker/u16:2+events_unbound11:37:345
2480967993028,2cyclictest2826361-21kworker/u16:3+events_unbound10:03:245
2480967993028,2cyclictest2697629-21kworker/u16:1+flush-8:009:55:495
2480967993028,2cyclictest2697629-21kworker/u16:1+events_unbound10:33:305
2480967993028,2cyclictest2697629-21kworker/u16:1+events_unbound09:42:225
2480967993028,2cyclictest2697629-21kworker/u16:1+events_unbound09:42:225
2480967993028,2cyclictest2532864-21kworker/u16:2+events_unbound08:23:135
2480967993028,2cyclictest2532864-21kworker/u16:2+events_unbound07:50:055
2480967993028,2cyclictest2532864-21kworker/u16:2+events_unbound07:34:255
2480967993028,2cyclictest2532864-21kworker/u16:2+events_unbound07:34:255
2480967993028,2cyclictest2488834-21kworker/u16:4+events_unbound08:00:565
2480967993027,2cyclictest2488834-21kworker/u16:4+events_unbound08:25:555
31244622290,1chrt0-21swapper/611:51:086
30864892290,1chrt3086490-21latency_hist11:35:547
2480973992924,4cyclictest650-21systemd-journal07:40:547
2480973992924,4cyclictest650-21systemd-journal07:33:307
2480973992924,4cyclictest650-21systemd-journal07:33:307
2480968992927,2cyclictest2864968-21kworker/u16:2+events_unbound10:16:086
2480968992927,2cyclictest2738987-21kworker/u16:2+events_unbound09:41:216
2480968992927,2cyclictest2738987-21kworker/u16:2+events_unbound09:41:216
2480967992927,2cyclictest3133097-21kworker/u16:3+events_unbound12:03:225
2480967992927,2cyclictest2963427-21kworker/u16:0+flush-8:011:31:555
2480967992927,2cyclictest2963427-21kworker/u16:0+events_unbound11:13:445
2480967992927,2cyclictest2839460-21kworker/u16:0+events_unbound10:11:525
2480967992927,2cyclictest2581590-21kworker/u16:0+events_unbound08:39:015
2480967992927,2cyclictest2581590-21kworker/u16:0+events_unbound08:12:015
2480967992927,2cyclictest2532864-21kworker/u16:2+events_unbound07:52:145
2480967992926,2cyclictest2581590-21kworker/u16:0+events_unbound09:15:555
2480967992826,2cyclictest2532864-21kworker/u16:2+events_unbound07:38:245
2480973992725,1cyclictest2779616-21ssh09:31:087
2480967992725,2cyclictest2697629-21kworker/u16:1+events_unbound10:07:275
2480967992725,2cyclictest2532864-21kworker/u16:2+events_unbound08:32:105
2480967992725,2cyclictest2532864-21kworker/u16:2+events_unbound08:20:215
2480967992725,2cyclictest2532864-21kworker/u16:2+events_unbound08:20:215
2480967992725,2cyclictest2532864-21kworker/u16:2+events_unbound08:08:245
2480973992622,3cyclictest2987847-21basename10:55:547
2480967992624,2cyclictest2697629-21kworker/u16:1+flush-8:009:06:425
2480967992624,2cyclictest2532864-21kworker/u16:2+flush-8:008:56:045
2480967992624,2cyclictest2532864-21kworker/u16:2+events_unbound08:55:145
2480973992520,4cyclictest2687808-21latency_hist08:50:547
2480968992523,2cyclictest2738987-21kworker/u16:2+events_unbound09:36:186
2480968992521,3cyclictest2488834-21kworker/u16:4+flush-8:007:16:066
2480967992523,2cyclictest967783-21kworker/u16:0+events_unbound07:13:175
2480967992523,2cyclictest2864968-21kworker/u16:2+events_unbound10:56:205
2480967992523,2cyclictest2581590-21kworker/u16:0+events_unbound08:42:265
2480967992523,2cyclictest2532864-21kworker/u16:2+events_unbound07:28:455
2480967992523,2cyclictest2481190-21kworker/u16:1+flush-8:007:22:305
2480973992419,4cyclictest2839931-21latency_hist09:55:547
2480967992422,2cyclictest2532864-21kworker/u16:2+events_unbound07:59:095
2480967992321,2cyclictest2697629-21kworker/u16:1+flush-8:009:57:105
2480973992221,1cyclictest2750604-21ssh09:16:197
2480967992220,2cyclictest2488834-21kworker/u16:4+events_unbound08:49:575
2480963992219,2cyclictest2826361-21kworker/u16:3+flush-8:009:51:104
2480973992116,4cyclictest3025448-21grep11:11:047
248097399210,20cyclictest2766195-21sed09:25:547
2480967992119,2cyclictest2864968-21kworker/u16:2+events_unbound10:18:155
2480967992018,2cyclictest2697629-21kworker/u16:1+events_unbound09:02:575
2480973991816,1cyclictest0-21swapper/710:06:187
2480973991815,2cyclictest3049444-21latency_hist11:20:547
2480973991812,5cyclictest2649243-21latency_hist08:30:547
2480973991716,0cyclictest0-21swapper/707:41:067
2480973991713,3cyclictest1267-21snmpd11:24:357
248097399170,16cyclictest650-21systemd-journal08:05:537
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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