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2026-01-21 - 08:30
[ 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 Jan 21, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12439572960,1sleep71243958-21cat21:17:377
98131025747,7sleep50-21swapper/519:05:315
98124725622,30sleep70-21swapper/719:04:377
98132025444,7sleep60-21swapper/619:05:406
981755995350,2cyclictest4181914-21kworker/u16:1+events_unbound21:22:336
981755995350,2cyclictest4181914-21kworker/u16:1+events_unbound21:22:336
981747994845,2cyclictest4181914-21kworker/u16:1+events_unbound21:27:354
98125324838,7sleep40-21swapper/419:04:424
981755994744,2cyclictest1014737-21kworker/u16:4+events_unbound19:42:356
981747994644,2cyclictest4181914-21kworker/u16:1+events_unbound20:02:334
981747994644,2cyclictest1604994-21kworker/u16:2+events_unbound00:32:514
981755994543,2cyclictest1337217-21kworker/u16:3+flush-8:022:22:356
981747994542,2cyclictest1458280-21kworker/u16:2+events_unbound23:02:344
981755994442,2cyclictest1566131-21kworker/u16:4+events_unbound23:32:506
981755994442,2cyclictest1337217-21kworker/u16:3+events_unbound22:52:506
981755994442,2cyclictest1110992-21kworker/u16:0+events_unbound21:12:336
981747994441,2cyclictest1471914-21kworker/u16:4+flush-8:023:07:354
981755994341,2cyclictest1337217-21kworker/u16:3+flush-8:022:48:226
981755994341,2cyclictest1337217-21kworker/u16:3+events_unbound23:17:356
981755994340,2cyclictest1337217-21kworker/u16:3+events_unbound22:17:476
981747994239,2cyclictest4181914-21kworker/u16:1+events_unbound20:22:334
981755994139,2cyclictest1604994-21kworker/u16:2+flush-8:023:52:456
981755994139,2cyclictest1251256-21kworker/u16:2+events_unbound21:43:456
981747994139,2cyclictest1265585-21kworker/u16:0+flush-8:021:52:464
981747994139,2cyclictest1197928-21kworker/u16:3+flush-8:021:22:544
981747994139,2cyclictest1197928-21kworker/u16:3+flush-8:021:22:544
981747994138,2cyclictest1251256-21kworker/u16:2+events_unbound22:12:214
981755994038,2cyclictest1723598-21kworker/u16:0+events_unbound00:34:586
981755994038,2cyclictest1604994-21kworker/u16:2+flush-8:000:02:546
981747994037,2cyclictest1651197-21kworker/u16:0+flush-8:000:07:354
981755993937,2cyclictest1651197-21kworker/u16:0+events_unbound00:16:306
981755993937,2cyclictest1458280-21kworker/u16:2+events_unbound23:02:446
981755993937,2cyclictest1110992-21kworker/u16:0+events_unbound21:17:456
981754993936,2cyclictest1005098-21kworker/u16:0+flush-8:019:37:465
981747993937,2cyclictest1337217-21kworker/u16:3+flush-8:022:58:504
981747993937,2cyclictest1265585-21kworker/u16:0+events_unbound22:02:504
981747993936,2cyclictest1565255-21kworker/u16:1+events_unbound23:32:224
981755993836,2cyclictest1604908-21kworker/u16:1+events_unbound00:30:296
981755993836,2cyclictest1590639-21kworker/u16:0+events_unbound23:46:306
981755993836,2cyclictest1337217-21kworker/u16:3+events_unbound23:11:306
981755993836,2cyclictest1337217-21kworker/u16:3+events_unbound22:45:596
981755993836,2cyclictest1337217-21kworker/u16:3+events_unbound22:45:596
981755993836,2cyclictest1337217-21kworker/u16:3+events_unbound22:17:186
981755993836,2cyclictest1265585-21kworker/u16:0+events_unbound22:05:056
981755993836,2cyclictest1265585-21kworker/u16:0+events_unbound22:01:306
981755993836,2cyclictest1265585-21kworker/u16:0+events_unbound21:41:146
981747993836,2cyclictest4181914-21kworker/u16:1+events_unbound21:17:474
981747993836,2cyclictest1429625-21kworker/u16:1+events_unbound22:32:504
981747993835,2cyclictest1197928-21kworker/u16:3+events_unbound21:47:224
981755993735,2cyclictest1604994-21kworker/u16:2+events_unbound00:21:316
981755993735,2cyclictest1604908-21kworker/u16:1+events_unbound00:25:346
981755993735,2cyclictest1566131-21kworker/u16:4+events_unbound23:49:346
981755993735,2cyclictest1458280-21kworker/u16:2+events_unbound22:59:256
981755993735,2cyclictest1337217-21kworker/u16:3+events_unbound23:59:176
981755993735,2cyclictest1014737-21kworker/u16:4+events_unbound19:52:506
981747993734,2cyclictest1337217-21kworker/u16:3+flush-8:023:47:354
981755993634,2cyclictest1423775-21kworker/u16:0+events_unbound22:39:466
981755993634,2cyclictest1265585-21kworker/u16:0+events_unbound22:10:146
981755993634,2cyclictest1110992-21kworker/u16:0+events_unbound20:42:336
981755993634,2cyclictest1110992-21kworker/u16:0+events_unbound20:42:336
981747993634,2cyclictest1337217-21kworker/u16:3+events_unbound21:59:194
981755993533,2cyclictest927801-21kworker/u16:2+flush-8:019:17:466
981755993533,2cyclictest1604994-21kworker/u16:2+events_unbound00:09:016
981755993533,2cyclictest1590639-21kworker/u16:0+events_unbound23:38:306
981755993533,2cyclictest1337217-21kworker/u16:3+events_unbound23:28:266
981755993533,2cyclictest1337217-21kworker/u16:3+events_unbound23:26:426
981755993533,2cyclictest1337217-21kworker/u16:3+events_unbound22:33:336
981755993533,2cyclictest1337217-21kworker/u16:3+events_unbound22:29:156
981755993533,2cyclictest1197928-21kworker/u16:3+events_unbound21:33:396
981755993533,2cyclictest1197928-21kworker/u16:3+events_unbound21:10:436
981747993533,2cyclictest1251256-21kworker/u16:2+events_unbound21:43:194
981747993532,2cyclictest4181914-21kworker/u16:1+events_unbound19:37:344
981760993430,3cyclictest124-21kswapd022:27:337
981760993429,4cyclictest1338315-21latency_hist21:57:197
981755993432,2cyclictest1265585-21kworker/u16:0+events_unbound21:28:306
981747993432,2cyclictest1565255-21kworker/u16:1+flush-8:023:37:354
981747993432,2cyclictest1337217-21kworker/u16:3+events_unbound22:25:304
981747993432,2cyclictest1337217-21kworker/u16:3+events_unbound00:01:064
981747993431,2cyclictest4181914-21kworker/u16:1+events_unbound20:47:344
981747993431,2cyclictest1541962-21kworker/u16:0+flush-8:023:22:304
981755993331,2cyclictest4181914-21kworker/u16:1+events_unbound20:39:316
981755993331,2cyclictest1471914-21kworker/u16:4+events_unbound23:12:326
981755993331,2cyclictest1265585-21kworker/u16:0+events_unbound21:49:036
981755993331,2cyclictest1005098-21kworker/u16:0+events_unbound19:27:386
981754993331,2cyclictest1072529-21kworker/u16:2+flush-8:020:22:455
981747993331,2cyclictest1651197-21kworker/u16:0+events_unbound00:13:294
981747993331,2cyclictest1604908-21kworker/u16:1+flush-8:000:22:294
14280092330,0chrt1428012-21cut22:32:397
981747993230,2cyclictest4181914-21kworker/u16:1+flush-8:020:57:504
981747993230,2cyclictest1651197-21kworker/u16:0+events_unbound00:04:334
981747993230,2cyclictest1337352-21kworker/u16:4+events_unbound22:27:514
981747993230,2cyclictest1265585-21kworker/u16:0+events_unbound21:39:154
981760993129,1cyclictest1187198-21ntpq20:47:457
981755993129,2cyclictest1337352-21kworker/u16:4+events_unbound21:57:166
981754993129,2cyclictest1458280-21kworker/u16:2+flush-8:023:02:155
981754993128,3cyclictest4181914-21kworker/u16:1+flush-8:021:27:425
981747993129,2cyclictest4181914-21kworker/u16:1+events_unbound20:42:444
981747993129,2cyclictest4181914-21kworker/u16:1+events_unbound20:42:444
981747993129,2cyclictest1699383-21kworker/u16:3+events_unbound00:30:074
981747993129,2cyclictest1337217-21kworker/u16:3+events_unbound22:17:314
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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