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2026-01-13 - 07:55
[ 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 Tue Jan 13, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322361021010,1sleep40-21swapper/400:22:024
252111225948,8sleep40-21swapper/419:07:514
2521425995651,4cyclictest2858700-21latency_hist21:52:517
252082625646,7sleep50-21swapper/519:03:515
252083725520,30sleep70-21swapper/719:04:017
2521425995247,4cyclictest3041695-21latency_hist23:07:517
2521425994843,4cyclictest3005074-21latency_hist22:52:527
251999624835,8sleep60-21swapper/619:03:206
2521416994240,2cyclictest3017447-21kworker/u16:4+events_unbound00:05:165
2521420994139,2cyclictest3102562-21kworker/u16:3+events_unbound23:33:366
2521420994139,2cyclictest2944143-21kworker/u16:1+events_unbound22:56:366
2521420994139,2cyclictest2680013-21kworker/u16:0+events_unbound21:12:156
2521416994139,2cyclictest3017447-21kworker/u16:4+events_unbound22:59:165
2521416994139,2cyclictest2758131-21kworker/u16:5+events_unbound21:17:005
2521425994035,4cyclictest2680336-21latency_hist20:27:517
2521420994038,2cyclictest3212289-21kworker/u16:0+events_unbound00:21:176
2521420994038,2cyclictest3102562-21kworker/u16:3+events_unbound00:35:556
2521420994038,2cyclictest3102562-21kworker/u16:3+events_unbound00:35:556
2521420994038,2cyclictest3102051-21kworker/u16:1+events_unbound23:55:476
2521420994038,2cyclictest3102051-21kworker/u16:1+events_unbound23:55:476
2521420994038,2cyclictest3017447-21kworker/u16:4+events_unbound00:11:566
2521420994038,2cyclictest2944143-21kworker/u16:1+events_unbound23:12:126
2521420993937,2cyclictest3151205-21kworker/u16:2+events_unbound00:25:006
2521420993937,2cyclictest3017447-21kworker/u16:4+events_unbound23:16:246
2521420993937,2cyclictest2944143-21kworker/u16:1+events_unbound22:49:206
2521420993937,2cyclictest2931300-21kworker/u16:0+events_unbound22:33:566
2521420993937,2cyclictest2822530-21kworker/u16:3+events_unbound22:06:486
2521420993937,2cyclictest2796567-21kworker/u16:1+flush-8:021:58:396
2521420993937,2cyclictest2758131-21kworker/u16:5+events_unbound21:21:166
2521416993937,2cyclictest3102562-21kworker/u16:3+events_unbound00:28:005
2521416993937,2cyclictest3102562-21kworker/u16:3+events_unbound00:23:485
2521416993937,2cyclictest2991483-21kworker/u16:2+events_unbound22:56:285
2521416993937,2cyclictest2944143-21kworker/u16:1+events_unbound23:05:325
2521416993937,2cyclictest2758131-21kworker/u16:5+events_unbound22:05:325
2521416993937,2cyclictest2680013-21kworker/u16:0+events_unbound21:36:525
2521416993936,2cyclictest2895370-21kworker/u16:1+flush-8:022:12:575
2521420993836,2cyclictest3064360-21kworker/u16:0+events_unbound23:21:166
2521420993836,2cyclictest2931300-21kworker/u16:0+events_unbound22:30:056
2521420993836,2cyclictest2931300-21kworker/u16:0+events_unbound22:30:056
2521420993836,2cyclictest2758131-21kworker/u16:5+events_unbound22:13:486
2521420993836,2cyclictest2758131-21kworker/u16:5+events_unbound21:16:096
2521416993836,2cyclictest3102562-21kworker/u16:3+events_unbound00:34:155
2521416993836,2cyclictest3102562-21kworker/u16:3+events_unbound00:34:155
2521416993836,2cyclictest2931300-21kworker/u16:0+events_unbound22:22:365
2521416993836,2cyclictest2796567-21kworker/u16:1+events_unbound21:56:195
2521420993735,2cyclictest3078131-21kworker/u16:2+events_unbound23:30:366
2521420993735,2cyclictest3017447-21kworker/u16:4+events_unbound00:17:356
2521420993735,2cyclictest2931300-21kworker/u16:0+events_unbound22:40:486
2521420993735,2cyclictest2796567-21kworker/u16:1+events_unbound21:43:276
2521420993735,2cyclictest2758131-21kworker/u16:5+events_unbound21:37:516
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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