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2026-01-26 - 12:40
[ 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 50 highest latencies:
System rack0slot2.osadl.org (updated Mon Jan 26, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36556552950,1sleep73655656-21cat20:32:137
174532660,1sleep717455-21kthreadcore00:27:197
3486938995755,2cyclictest3925519-21kworker/u16:5+events_unbound00:22:165
3486938995755,2cyclictest3867811-21kworker/u16:0+events_unbound23:52:315
3486938995654,2cyclictest3925519-21kworker/u16:5+events_unbound00:27:155
348642225443,7sleep50-21swapper/519:03:425
3486939995350,2cyclictest4085450-21kworker/u16:1+events_unbound23:52:146
3486939995350,2cyclictest3925519-21kworker/u16:5+flush-8:023:17:156
348658525319,30sleep70-21swapper/719:06:017
3486939995149,2cyclictest3698864-21kworker/u16:1+flush-8:022:47:146
3486939995148,2cyclictest3698864-21kworker/u16:1+events_unbound22:42:146
3486939995148,2cyclictest3698864-21kworker/u16:1+events_unbound21:27:156
3486939995048,2cyclictest3925519-21kworker/u16:5+flush-8:000:17:296
3486938995048,2cyclictest4110225-21kworker/u16:3+flush-8:023:57:155
3486938994947,2cyclictest3519787-21kworker/u16:3+events_unbound21:02:185
348637224939,7sleep40-21swapper/419:03:014
3486939994846,2cyclictest3988982-21kworker/u16:2+events_unbound23:27:296
3486939994846,2cyclictest3867811-21kworker/u16:0+events_unbound23:22:306
3486939994845,2cyclictest3698864-21kworker/u16:1+events_unbound22:37:136
348639424837,7sleep60-21swapper/619:03:196
3486944994741,5cyclictest3496440-21latency_hist19:12:007
3486939994745,2cyclictest4180672-21kworker/u16:0+events_unbound00:27:266
3486939994745,2cyclictest3698864-21kworker/u16:1+events_unbound21:17:156
3486938994745,2cyclictest3698864-21kworker/u16:1+flush-8:022:22:155
3486938994644,2cyclictest3925519-21kworker/u16:5+flush-8:000:12:285
3486938994644,2cyclictest3925519-21kworker/u16:5+events_unbound23:32:325
348694499450,44cyclictest3746678-21latency_hist21:16:597
3486938994543,2cyclictest3925519-21kworker/u16:5+events_unbound00:32:165
3486938994543,2cyclictest3616009-21kworker/u16:2+flush-8:020:47:275
3486938994543,2cyclictest3519787-21kworker/u16:3+events_unbound20:42:305
3486938994543,2cyclictest3519787-21kworker/u16:3+events_unbound20:42:305
3486939994442,2cyclictest3988982-21kworker/u16:2+flush-8:023:12:306
3486939994442,2cyclictest3867811-21kworker/u16:0+events_unbound22:57:336
3486939994442,2cyclictest3698864-21kworker/u16:1+events_unbound22:32:146
3486939994442,2cyclictest3698864-21kworker/u16:1+events_unbound22:22:186
3486938994442,2cyclictest3867811-21kworker/u16:0+flush-8:023:02:155
3486938994442,2cyclictest3698864-21kworker/u16:1+events_unbound22:27:255
3486938994442,2cyclictest3519787-21kworker/u16:3+events_unbound19:47:275
3486939994342,1cyclictest3988982-21kworker/u16:2+events_unbound23:32:146
3486939994341,2cyclictest3867811-21kworker/u16:0+events_unbound23:47:256
3486939994340,2cyclictest3698864-21kworker/u16:1+events_unbound22:12:146
3486939994340,2cyclictest3698864-21kworker/u16:1+events_unbound22:02:146
3486939994340,2cyclictest3698864-21kworker/u16:1+events_unbound22:02:146
3486938994341,2cyclictest3925519-21kworker/u16:5+flush-8:000:07:285
3486938994341,2cyclictest3925519-21kworker/u16:5+flush-8:000:07:285
3486938994341,2cyclictest3925519-21kworker/u16:5+events_unbound22:37:275
3486938994340,2cyclictest3698864-21kworker/u16:1+events_unbound21:32:015
3486939994240,2cyclictest3842511-21kworker/u16:3+flush-8:021:57:346
3486939994240,2cyclictest3519787-21kworker/u16:3+flush-8:019:52:156
3486938994240,2cyclictest3988982-21kworker/u16:2+flush-8:023:22:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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