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2026-02-24 - 08:34
[ 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 50 highest latencies:
System rack0slot2.osadl.org (updated Tue Feb 24, 2026 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7169662940,1sleep7716968-21sh00:02:327
54721996461,2cyclictest431829-21kworker/u16:1+events_unbound22:25:305
5433926250,8sleep50-21swapper/519:03:575
5435625242,7sleep40-21swapper/419:04:124
463062493,36sleep70-21swapper/719:00:227
54721994542,2cyclictest730344-21kworker/u16:4+flush-8:000:25:045
54726994442,2cyclictest309732-21kworker/u16:0+flush-8:021:25:046
54726994442,2cyclictest309732-21kworker/u16:0+flush-8:021:25:046
54719994341,2cyclictest248821-21kworker/u16:0+flush-8:020:45:044
54721994240,2cyclictest584618-21kworker/u16:0+events_unbound23:38:185
54721994240,2cyclictest3273460-21kworker/u16:0+flush-8:020:10:305
54719994139,2cyclictest694410-21kworker/u16:1+events_unbound00:12:224
54719994139,2cyclictest584618-21kworker/u16:0+events_unbound23:45:064
54719994139,2cyclictest259679-21kworker/u16:3+events_unbound21:00:044
54721994038,2cyclictest616376-21kworker/u16:2+events_unbound23:27:025
54719994038,2cyclictest616376-21kworker/u16:2+events_unbound23:33:294
5428224030,7sleep60-21swapper/619:03:096
54721993937,2cyclictest248821-21kworker/u16:0+events_unbound20:50:045
54719993937,2cyclictest694410-21kworker/u16:1+events_unbound00:02:344
54719993937,2cyclictest489348-21kworker/u16:3+events_unbound22:37:534
54719993937,2cyclictest381337-21kworker/u16:2+events_unbound21:56:464
54719993937,2cyclictest309732-21kworker/u16:0+events_unbound21:14:024
54721993836,2cyclictest584618-21kworker/u16:0+events_unbound23:45:045
54721993836,2cyclictest381337-21kworker/u16:2+flush-8:022:20:415
54719993837,1cyclictest309732-21kworker/u16:0+events_unbound21:53:454
54719993836,2cyclictest695682-21kworker/u16:2+events_unbound23:57:054
54719993836,2cyclictest489348-21kworker/u16:3+events_unbound22:52:504
54719993836,2cyclictest381337-21kworker/u16:2+events_unbound22:22:504
54719993836,2cyclictest381337-21kworker/u16:2+events_unbound21:41:304
54719993836,2cyclictest335982-21kworker/u16:1+events_unbound21:36:544
54719993836,2cyclictest309732-21kworker/u16:0+events_unbound22:17:064
54719993836,2cyclictest309732-21kworker/u16:0+events_unbound21:33:544
54719993836,2cyclictest309732-21kworker/u16:0+events_unbound21:24:104
54719993836,2cyclictest309732-21kworker/u16:0+events_unbound21:24:104
54719993836,2cyclictest2665121-21kworker/u16:1+flush-8:019:05:334
54719993836,2cyclictest259679-21kworker/u16:3+events_unbound21:27:064
54721993735,2cyclictest489348-21kworker/u16:3+events_unbound23:05:325
54721993735,2cyclictest489348-21kworker/u16:3+events_unbound22:37:235
54721993735,2cyclictest406610-21kworker/u16:5+events_unbound21:55:035
54721993735,2cyclictest309732-21kworker/u16:0+events_unbound21:19:035
54719993735,2cyclictest584618-21kworker/u16:0+events_unbound23:37:504
54719993735,2cyclictest584618-21kworker/u16:0+events_unbound23:28:224
54719993735,2cyclictest527051-21kworker/u16:1+events_unbound22:56:504
54719993735,2cyclictest500817-21kworker/u16:6+events_unbound22:42:384
54719993735,2cyclictest500817-21kworker/u16:6+events_unbound22:42:384
54719993735,2cyclictest381337-21kworker/u16:2+flush-8:022:10:454
54719993735,2cyclictest278645-21kworker/u16:1+events_unbound21:06:154
54719993735,2cyclictest192088-21kworker/u16:2+events_unbound21:17:184
54726993633,2cyclictest527051-21kworker/u16:1+events_unbound23:10:216
54721993634,2cyclictest730344-21kworker/u16:4+events_unbound00:17:255
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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