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2026-02-27 - 19:12
[ 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 Fri Feb 27, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29700562980,1sleep40-21swapper/410:10:144
257122225646,7sleep60-21swapper/607:04:116
257122025242,7sleep40-21swapper/407:04:094
2571553995148,2cyclictest3176204-21kworker/u16:0+events_unbound12:10:045
2571558994942,6cyclictest650-21systemd-journal10:04:507
2571557994441,2cyclictest2553433-21kworker/u16:2+flush-8:007:24:516
2571558994337,4cyclictest2632691-21latency_hist07:34:507
2571557994341,2cyclictest3032132-21kworker/u16:2+events_unbound12:30:116
2571553994341,2cyclictest3176204-21kworker/u16:0+flush-8:012:05:185
2571553994341,2cyclictest3032132-21kworker/u16:2+events_unbound10:41:205
2571553994240,2cyclictest2962492-21kworker/u16:2+events_unbound10:10:205
2571553994240,2cyclictest2865920-21kworker/u16:2+events_unbound09:34:365
2571557994139,2cyclictest3071100-21kworker/u16:4+events_unbound11:47:476
2571557994139,2cyclictest3032132-21kworker/u16:2+events_unbound12:26:316
2571557994038,2cyclictest3071100-21kworker/u16:4+events_unbound11:43:236
2571557994038,2cyclictest3009983-21kworker/u16:0+events_unbound10:33:276
2571553994038,2cyclictest3009983-21kworker/u16:0+events_unbound10:29:095
2571548994037,2cyclictest2795753-21kworker/u16:1+events_unbound09:05:054
2571558993934,4cyclictest2804966-21latency_hist09:04:507
2571553993937,2cyclictest2962492-21kworker/u16:2+events_unbound10:22:195
2571553993937,2cyclictest2776593-21kworker/u16:3+events_unbound09:35:445
25712142395,30sleep70-21swapper/707:04:047
2571557993836,2cyclictest3176204-21kworker/u16:0+events_unbound12:10:156
2571557993836,2cyclictest3071100-21kworker/u16:4+events_unbound11:58:556
2571557993836,2cyclictest2776593-21kworker/u16:3+events_unbound09:34:036
2571557993836,2cyclictest2766805-21kworker/u16:0+events_unbound09:29:316
2571553993836,2cyclictest3159712-21kworker/u16:3+events_unbound11:51:325
2571553993836,2cyclictest3159712-21kworker/u16:3+events_unbound11:51:325
2571553993835,2cyclictest2690112-21kworker/u16:0+events_unbound08:29:515
2571553993835,2cyclictest2690112-21kworker/u16:0+events_unbound08:29:515
2571553993735,2cyclictest3176204-21kworker/u16:0+events_unbound12:15:285
2571553993735,2cyclictest3159712-21kworker/u16:3+events_unbound12:27:515
2571557993634,2cyclictest3176204-21kworker/u16:0+events_unbound11:50:066
2571557993634,2cyclictest3176204-21kworker/u16:0+events_unbound11:50:066
2571557993634,2cyclictest3032132-21kworker/u16:2+events_unbound10:41:596
2571553993634,2cyclictest3032132-21kworker/u16:2+flush-8:010:55:145
2571553993634,2cyclictest2795753-21kworker/u16:1+events_unbound09:06:395
2571557993533,2cyclictest3240624-21kworker/u16:1+events_unbound12:21:596
2571557993533,2cyclictest3096050-21kworker/u16:0+events_unbound11:21:596
2571557993533,2cyclictest3071100-21kworker/u16:4+events_unbound11:28:326
2571553993533,2cyclictest3240624-21kworker/u16:1+events_unbound12:30:355
2571553993533,2cyclictest3159712-21kworker/u16:3+events_unbound11:47:235
2571553993533,2cyclictest2786248-21kworker/u16:5+events_unbound09:26:355
2571553993533,2cyclictest2776593-21kworker/u16:3+events_unbound10:00:435
257113623525,7sleep50-21swapper/507:02:575
2571557993432,2cyclictest2959797-21kworker/u16:1+events_unbound10:38:326
2571557993432,2cyclictest2776593-21kworker/u16:3+events_unbound10:56:196
2571557993432,2cyclictest2533852-21kworker/u16:0+events_unbound07:06:456
2571553993432,2cyclictest3159712-21kworker/u16:3+events_unbound12:04:335
2571553993432,2cyclictest2766805-21kworker/u16:0+events_unbound09:22:415
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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