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2026-02-21 - 15:40
[ 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 Sat Feb 21, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309965625847,7sleep50-21swapper/507:00:345
310867325444,7sleep40-21swapper/407:04:024
3109039995350,2cyclictest3603958-21kworker/u16:1+events_unbound10:55:164
3109049994539,5cyclictest3366107-21latency_hist09:15:147
3109039994542,2cyclictest3353056-21kworker/u16:0+events_unbound09:45:164
3109039994341,2cyclictest3400722-21kworker/u16:5+events_unbound09:42:324
3109039994341,2cyclictest3366108-21kworker/u16:4+events_unbound09:28:324
3109039994340,2cyclictest3353056-21kworker/u16:0+events_unbound09:35:164
310860024332,8sleep60-21swapper/607:02:596
3109044994139,2cyclictest3218328-21kworker/u16:2+events_unbound08:05:386
3109039994139,2cyclictest3679339-21kworker/u16:1+events_unbound11:39:244
3109044994038,2cyclictest3179683-21kworker/u16:1+flush-8:008:00:426
3109039994038,2cyclictest3700504-21kworker/u16:3+events_unbound11:33:524
3109039994038,2cyclictest3498594-21kworker/u16:5+events_unbound10:10:174
3109039994038,2cyclictest3484630-21kworker/u16:2+events_unbound10:28:044
3109039994038,2cyclictest3400723-21kworker/u16:6+events_unbound09:32:364
3109039994038,2cyclictest3366108-21kworker/u16:4+flush-8:009:15:154
3109039994038,2cyclictest3366108-21kworker/u16:4+flush-8:009:15:154
3109049993937,1cyclictest3342096-21diskmemload11:15:287
3109039993938,1cyclictest3519591-21kworker/u16:0+events_unbound10:45:554
3109039993936,3cyclictest3629206-21kworker/u16:0+events_unbound12:12:474
3109039993936,3cyclictest3400722-21kworker/u16:5+events_unbound09:51:044
3109039993936,2cyclictest3629206-21kworker/u16:0+events_unbound12:00:154
3109039993936,2cyclictest3568367-21kworker/u16:2+events_unbound10:50:194
3109039993936,2cyclictest3366108-21kworker/u16:4+events_unbound09:20:514
31084522393,31sleep70-21swapper/707:01:007
3109049993833,4cyclictest3558734-21latency_hist10:35:147
3109039993836,2cyclictest3810020-21kworker/u16:1+events_unbound12:32:594
3109039993836,2cyclictest3294350-21kworker/u16:3+flush-8:009:05:434
3109049993729,7cyclictest3426423-21latency_hist09:40:147
3109044993735,2cyclictest3810020-21kworker/u16:1+events_unbound12:18:596
3109044993735,2cyclictest3546645-21kworker/u16:1+events_unbound10:38:086
3109044993735,2cyclictest3546645-21kworker/u16:1+events_unbound10:38:086
3109039993735,2cyclictest3629206-21kworker/u16:0+events_unbound11:56:134
3109039993735,2cyclictest3353056-21kworker/u16:0+flush-8:009:56:354
3109039993735,2cyclictest3353056-21kworker/u16:0+flush-8:009:56:354
3109049993629,6cyclictest650-21systemd-journal12:15:137
3109044993634,2cyclictest3700504-21kworker/u16:3+events_unbound11:45:086
3109039993634,2cyclictest3810020-21kworker/u16:1+events_unbound12:28:224
3109039993634,2cyclictest3700504-21kworker/u16:3+events_unbound11:54:474
3109039993634,2cyclictest3700504-21kworker/u16:3+events_unbound11:54:474
3109039993634,2cyclictest3472238-21kworker/u16:1+events_unbound10:03:234
3109039993634,2cyclictest3366108-21kworker/u16:4+events_unbound11:08:434
3109039993634,2cyclictest3366108-21kworker/u16:4+events_unbound10:06:074
3109044993533,2cyclictest3629206-21kworker/u16:0+events_unbound11:56:386
3109044993533,2cyclictest3603958-21kworker/u16:1+events_unbound10:59:326
3109039993533,2cyclictest3810020-21kworker/u16:1+events_unbound12:20:444
3109039993533,2cyclictest3679339-21kworker/u16:1+events_unbound11:28:594
3109039993533,2cyclictest3643310-21kworker/u16:2+events_unbound11:42:594
3109039993533,2cyclictest3643310-21kworker/u16:2+events_unbound11:21:354
3109039993533,2cyclictest3643310-21kworker/u16:2+events_unbound11:14:044
3109039993533,2cyclictest3519591-21kworker/u16:0+events_unbound10:39:324
3109039993533,2cyclictest3519591-21kworker/u16:0+events_unbound10:39:324
3109039993533,2cyclictest3519591-21kworker/u16:0+events_unbound10:32:034
3109039993533,2cyclictest3484630-21kworker/u16:2+events_unbound10:17:394
3109049993429,4cyclictest650-21systemd-journal10:10:147
3109044993432,2cyclictest3823435-21kworker/u16:4+events_unbound12:31:336
3109044993432,2cyclictest3629206-21kworker/u16:0+events_unbound11:18:396
3109040993432,2cyclictest3643310-21kworker/u16:2+events_unbound11:30:395
3109039993432,2cyclictest3700504-21kworker/u16:3+events_unbound12:08:004
3109039993432,2cyclictest3700504-21kworker/u16:3+events_unbound11:49:164
3109039993432,2cyclictest3366108-21kworker/u16:4+events_unbound11:01:244
3109039993432,2cyclictest3323099-21kworker/u16:1+events_unbound09:14:204
3109039993432,2cyclictest3218328-21kworker/u16:2+flush-8:008:35:144
3109044993331,2cyclictest3629206-21kworker/u16:0+events_unbound12:05:596
3109044993331,2cyclictest3519591-21kworker/u16:0+events_unbound10:46:076
3109040993330,2cyclictest3366108-21kworker/u16:4+flush-8:010:05:315
3109039993331,2cyclictest3484630-21kworker/u16:2+events_unbound10:23:274
3109049993226,5cyclictest3678910-21latency_hist11:25:147
3109044993230,2cyclictest3629206-21kworker/u16:0+events_unbound12:04:456
3109044993229,2cyclictest3323099-21kworker/u16:1+events_unbound09:10:216
3109039993230,2cyclictest3700504-21kworker/u16:3+events_unbound12:18:004
3109039993230,2cyclictest3629206-21kworker/u16:0+events_unbound11:18:514
3109039993229,2cyclictest3568367-21kworker/u16:2+events_unbound10:40:154
3109049993126,4cyclictest3642921-21latency_hist11:10:137
3109044993129,2cyclictest3643310-21kworker/u16:2+events_unbound11:29:386
3109044993129,2cyclictest3568367-21kworker/u16:2+events_unbound10:40:586
3109044993129,2cyclictest3179683-21kworker/u16:1+events_unbound08:00:006
3109044993129,2cyclictest3131958-21kworker/u16:1+events_unbound07:24:286
3109049993024,5cyclictest3618900-21latency_hist11:00:147
3109044993028,2cyclictest3629206-21kworker/u16:0+flush-8:012:11:116
3109044993028,2cyclictest3603958-21kworker/u16:1+events_unbound10:54:186
3109044993028,2cyclictest3568367-21kworker/u16:2+flush-8:011:00:496
3109044993028,2cyclictest3546645-21kworker/u16:1+events_unbound10:33:296
3109044993028,2cyclictest3400722-21kworker/u16:5+events_unbound09:38:016
3109044993028,2cyclictest3366108-21kworker/u16:4+events_unbound11:09:056
3109044993028,2cyclictest3353056-21kworker/u16:0+events_unbound09:55:056
3109044993028,2cyclictest3264629-21kworker/u16:4+events_unbound08:24:456
3109044993027,2cyclictest3400723-21kworker/u16:6+events_unbound09:40:236
3109044993027,2cyclictest3353056-21kworker/u16:0+flush-8:009:27:556
3109044992927,2cyclictest3700504-21kworker/u16:3+events_unbound11:52:386
3109044992927,2cyclictest3700504-21kworker/u16:3+events_unbound11:52:386
3109044992927,2cyclictest3700504-21kworker/u16:3+events_unbound11:32:426
3109044992927,2cyclictest3629206-21kworker/u16:0+events_unbound11:46:056
3109044992927,2cyclictest3366108-21kworker/u16:4+events_unbound09:19:216
3109044992927,2cyclictest3366108-21kworker/u16:4+events_unbound09:19:216
3109044992927,2cyclictest3353056-21kworker/u16:0+events_unbound09:09:336
3109044992926,2cyclictest3400723-21kworker/u16:6+events_unbound09:45:226
3109044992826,2cyclictest3822744-21kworker/u16:3+events_unbound12:28:416
3109044992826,2cyclictest3484630-21kworker/u16:2+events_unbound10:01:576
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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