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2026-01-17 - 08:56
[ 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 Jan 17, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39863672980,1sleep73986370-21cut20:02:557
386971525948,8sleep50-21swapper/519:03:165
386978525319,30sleep70-21swapper/719:04:147
386988724939,7sleep40-21swapper/419:05:404
3870341994640,5cyclictest3903008-21latency_hist19:22:367
3870341994640,5cyclictest3903008-21latency_hist19:22:367
3870336994341,2cyclictest44742-21kworker/u16:5+events_unbound22:15:035
3870336994239,2cyclictest3933638-21kworker/u16:3+events_unbound21:02:375
3870331994240,2cyclictest59456-21kworker/u16:2+flush-8:022:37:514
3870331994239,2cyclictest3980198-21kworker/u16:2+events_unbound20:02:494
3870331994138,2cyclictest3933638-21kworker/u16:3+events_unbound20:37:514
2215732410,0sleep50-21swapper/523:12:535
3870336994038,2cyclictest44742-21kworker/u16:5+events_unbound22:30:025
3870336994037,2cyclictest44742-21kworker/u16:5+flush-8:022:23:015
3870331994038,2cyclictest10414-21kworker/u16:1+events_unbound21:58:344
3870331994037,2cyclictest205049-21kworker/u16:2+events_unbound23:47:374
3870336993937,2cyclictest44742-21kworker/u16:5+events_unbound23:19:545
3870336993937,2cyclictest44742-21kworker/u16:5+events_unbound23:07:185
3870336993937,2cyclictest44742-21kworker/u16:5+events_unbound22:46:295
3870336993937,2cyclictest251407-21kworker/u16:1+events_unbound00:31:025
3870336993937,2cyclictest178377-21kworker/u16:1+events_unbound22:54:265
3870336993937,2cyclictest178377-21kworker/u16:1+events_unbound22:54:265
3870331993937,2cyclictest44742-21kworker/u16:5+events_unbound22:22:504
3870331993936,2cyclictest205048-21kworker/u16:0+flush-8:000:17:534
3870331993936,2cyclictest205048-21kworker/u16:0+flush-8:000:17:534
386972523928,8sleep60-21swapper/619:03:256
3870336993836,2cyclictest59456-21kworker/u16:2+events_unbound22:35:425
3870336993836,2cyclictest44742-21kworker/u16:5+events_unbound22:11:185
3870336993836,2cyclictest4106317-21kworker/u16:0+events_unbound21:24:385
3870336993836,2cyclictest3820915-21kworker/u16:0+events_unbound19:12:495
3870336993836,2cyclictest312203-21kworker/u16:3+events_unbound00:33:055
3870331993836,2cyclictest4087321-21kworker/u16:2+flush-8:021:42:464
3870331993836,2cyclictest4087321-21kworker/u16:2+flush-8:021:32:544
3870331993835,2cyclictest251407-21kworker/u16:1+flush-8:000:32:454
3870331993835,2cyclictest129952-21kworker/u16:0+flush-8:022:52:354
3870336993735,2cyclictest44742-21kworker/u16:5+events_unbound23:02:175
3870336993735,2cyclictest4106317-21kworker/u16:0+events_unbound21:42:255
3870336993735,2cyclictest4087321-21kworker/u16:2+events_unbound21:46:065
3870336993735,2cyclictest251407-21kworker/u16:1+events_unbound23:35:425
3870336993735,2cyclictest251407-21kworker/u16:1+events_unbound23:35:425
3870336993735,2cyclictest205049-21kworker/u16:2+events_unbound23:48:555
3870336993735,2cyclictest205049-21kworker/u16:2+events_unbound23:28:425
3870336993735,2cyclictest178377-21kworker/u16:1+events_unbound23:12:095
3870336993735,2cyclictest165446-21kworker/u16:3+events_unbound22:49:175
3870336993734,2cyclictest4106317-21kworker/u16:0+events_unbound22:02:215
3870331993735,2cyclictest44742-21kworker/u16:5+flush-8:023:18:094
3870331993735,2cyclictest44742-21kworker/u16:5+events_unbound23:04:354
3870331993735,2cyclictest4179557-21kworker/u16:4+events_unbound21:41:344
3870331993735,2cyclictest4106317-21kworker/u16:0+events_unbound21:23:474
3870331993735,2cyclictest251407-21kworker/u16:1+events_unbound00:32:344
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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