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2026-02-28 - 17:55
[ 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 Sat Feb 28, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41319152960,1sleep60-21swapper/609:18:286
3863088995956,2cyclictest4072885-21kworker/u16:2+events_unbound09:25:004
3863092995753,3cyclictest189074-21kworker/u16:4+events_unbound11:45:015
3863092995452,2cyclictest4108907-21kworker/u16:1+events_unbound09:55:005
3863092995452,2cyclictest4000851-21kworker/u16:0+events_unbound10:15:155
3863092995452,2cyclictest288506-21kworker/u16:2+events_unbound12:20:145
3863092995249,2cyclictest3901386-21kworker/u16:3+events_unbound07:35:045
386256225241,8sleep50-21swapper/507:01:185
3863088995149,2cyclictest4108907-21kworker/u16:1+flush-8:010:05:124
3863088995149,2cyclictest168082-21kworker/u16:0+events_unbound12:24:434
3863092995047,2cyclictest2879060-21kworker/u16:0+events_unbound07:20:015
3863092995047,2cyclictest2879060-21kworker/u16:0+events_unbound07:20:015
3863088995048,2cyclictest3901386-21kworker/u16:3+flush-8:007:35:164
3863092994947,2cyclictest3901386-21kworker/u16:3+events_unbound09:05:175
3863092994846,2cyclictest69447-21kworker/u16:2+flush-8:010:40:205
3863088994845,2cyclictest288506-21kworker/u16:2+events_unbound12:00:004
3863088994745,2cyclictest288506-21kworker/u16:2+events_unbound11:54:594
386279724737,7sleep60-21swapper/607:04:396
38546912473,37sleep70-21swapper/707:00:157
3863092994644,2cyclictest168082-21kworker/u16:0+events_unbound12:10:165
386279524636,7sleep40-21swapper/407:04:374
3863092994542,2cyclictest144381-21kworker/u16:3+flush-8:010:55:165
3863088994543,2cyclictest2879060-21kworker/u16:0+flush-8:007:09:524
3863088994541,3cyclictest4108907-21kworker/u16:1+flush-8:009:40:024
3863092994442,2cyclictest4108907-21kworker/u16:1+flush-8:009:35:155
3863092994442,2cyclictest4108907-21kworker/u16:1+events_unbound10:05:175
3863092994442,2cyclictest4000851-21kworker/u16:0+events_unbound08:30:115
3863092994442,2cyclictest189074-21kworker/u16:4+events_unbound11:10:185
3863088994440,3cyclictest104901-21kworker/u16:1+flush-8:011:30:014
3863092994341,2cyclictest4072885-21kworker/u16:2+events_unbound09:16:455
3863092994341,2cyclictest104901-21kworker/u16:1+events_unbound11:08:035
3863088994340,2cyclictest168082-21kworker/u16:0+events_unbound11:15:014
3863092994241,1cyclictest2879060-21kworker/u16:0+events_unbound07:09:515
3863092994240,2cyclictest4170165-21kworker/u16:3+events_unbound10:14:205
3863092994240,2cyclictest4170165-21kworker/u16:3+events_unbound10:14:205
3863092994240,2cyclictest4072885-21kworker/u16:2+events_unbound09:26:245
3863092994240,2cyclictest189074-21kworker/u16:4+events_unbound11:43:475
3863092994240,2cyclictest168082-21kworker/u16:0+events_unbound11:36:155
3863092994139,2cyclictest4170165-21kworker/u16:3+events_unbound09:52:255
3863092994139,2cyclictest4108907-21kworker/u16:1+events_unbound10:04:155
3863092994139,2cyclictest288506-21kworker/u16:2+events_unbound12:30:395
3863092994139,2cyclictest189074-21kworker/u16:4+events_unbound11:16:515
3863092994138,2cyclictest168082-21kworker/u16:0+events_unbound11:24:555
3863088994139,2cyclictest4072885-21kworker/u16:2+events_unbound09:10:204
3863088994139,2cyclictest189074-21kworker/u16:4+events_unbound11:50:044
3863088994138,3cyclictest189074-21kworker/u16:4+events_unbound11:05:194
3863092994038,2cyclictest4170165-21kworker/u16:3+events_unbound10:20:365
3863092994038,2cyclictest4000851-21kworker/u16:0+events_unbound10:26:085
3863092994038,2cyclictest4000851-21kworker/u16:0+events_unbound09:31:485
3863092994038,2cyclictest4000851-21kworker/u16:0+events_unbound09:31:485
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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