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2026-01-19 - 08:10
[ 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 19, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256672121110,0sleep60-21swapper/620:42:446
28836832970,1sleep70-21swapper/722:57:487
2377899996558,6cyclictest2856850-21latency_hist22:47:277
2377898996058,2cyclictest3025358-21kworker/u16:1+events_unbound00:12:276
236837426048,8sleep50-21swapper/519:02:365
2377899995045,4cyclictest2759711-21latency_hist22:07:277
236837325039,7sleep40-21swapper/419:02:354
2377889994946,2cyclictest2881081-21kworker/u16:3+flush-8:023:47:274
2377889994745,2cyclictest2710333-21kworker/u16:1+events_unbound21:56:384
2377889994543,2cyclictest2805110-21kworker/u16:2+events_unbound22:41:274
29398252440,0sleep72939823-21sshd-session23:18:407
2377898994441,2cyclictest2348799-21kworker/u16:0+flush-8:019:52:286
2377899994335,7cyclictest3123769-21latency_hist00:37:277
2377890994240,2cyclictest2805110-21kworker/u16:2+events_unbound22:55:265
2377890994240,2cyclictest2805110-21kworker/u16:2+events_unbound22:55:265
2377889994240,2cyclictest3085996-21kworker/u16:0+events_unbound00:29:144
2377889994240,2cyclictest2963964-21kworker/u16:1+flush-8:023:42:224
2377889994240,2cyclictest2805110-21kworker/u16:2+events_unbound23:23:584
2377890994139,2cyclictest2710333-21kworker/u16:1+events_unbound21:49:425
2377898994037,2cyclictest2710333-21kworker/u16:1+events_unbound21:52:306
2377889994038,2cyclictest3027445-21kworker/u16:2+events_unbound00:13:594
2377889994038,2cyclictest2710333-21kworker/u16:1+events_unbound22:04:274
2377889994038,2cyclictest2635962-21kworker/u16:0+events_unbound21:59:384
2377889994037,2cyclictest2575323-21kworker/u16:2+events_unbound21:32:304
2377889994037,2cyclictest2575323-21kworker/u16:2+events_unbound21:32:304
23773522405,31sleep70-21swapper/719:03:587
2377890993937,2cyclictest3085996-21kworker/u16:0+events_unbound00:21:505
2377890993937,2cyclictest2881081-21kworker/u16:3+events_unbound23:40:465
2377890993937,2cyclictest2881081-21kworker/u16:3+events_unbound00:25:195
2377890993937,2cyclictest2784029-21kworker/u16:1+events_unbound22:40:115
2377890993937,2cyclictest2784029-21kworker/u16:1+events_unbound22:35:475
2377890993937,2cyclictest2710333-21kworker/u16:1+events_unbound22:01:395
2377890993937,2cyclictest2635962-21kworker/u16:0+events_unbound22:18:475
2377890993937,2cyclictest2575323-21kworker/u16:2+events_unbound21:18:105
2377889993937,2cyclictest2963964-21kworker/u16:1+events_unbound23:32:304
2377889993937,2cyclictest2963964-21kworker/u16:1+events_unbound23:32:304
2377889993937,2cyclictest2575323-21kworker/u16:2+events_unbound21:45:264
2377890993836,2cyclictest3002840-21kworker/u16:4+events_unbound23:49:265
2377890993836,2cyclictest2881081-21kworker/u16:3+events_unbound23:28:415
2377890993836,2cyclictest2805110-21kworker/u16:2+events_unbound23:01:415
2377890993836,2cyclictest2805110-21kworker/u16:2+events_unbound22:51:155
2377890993836,2cyclictest2765760-21kworker/u16:3+events_unbound22:25:515
2377890993836,2cyclictest2734284-21kworker/u16:4+events_unbound22:32:105
2377890993836,2cyclictest2635962-21kworker/u16:0+events_unbound22:04:065
2377890993836,2cyclictest2439899-21kworker/u16:1+events_unbound21:33:035
2377890993836,2cyclictest2439899-21kworker/u16:1+events_unbound21:33:035
2377890993835,3cyclictest3027445-21kworker/u16:2+events_unbound00:00:545
2377889993836,2cyclictest2784029-21kworker/u16:1+events_unbound22:56:184
2377889993836,2cyclictest2784029-21kworker/u16:1+events_unbound22:56:184
2377898993735,2cyclictest2881081-21kworker/u16:3+flush-8:023:17:236
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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