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2026-02-15 - 11:41
[ 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 Sun Feb 15, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84196525949,7sleep40-21swapper/419:03:124
84196625341,8sleep50-21swapper/519:03:135
842437994543,2cyclictest130122-21kworker/u16:2+events_unbound19:06:115
842437994340,2cyclictest1171289-21kworker/u16:0+events_unbound22:31:055
842437994038,2cyclictest1314045-21kworker/u16:0+events_unbound23:36:085
8418742403,31sleep70-21swapper/719:01:547
842437993937,2cyclictest1492864-21kworker/u16:5+events_unbound00:06:435
842437993937,2cyclictest130122-21kworker/u16:2+flush-8:019:21:245
842437993937,2cyclictest1171289-21kworker/u16:0+events_unbound21:49:515
842437993937,2cyclictest1046984-21kworker/u16:2+events_unbound21:37:155
842437993937,2cyclictest1046984-21kworker/u16:2+events_unbound21:22:475
842437993936,2cyclictest1336558-21kworker/u16:3+events_unbound23:30:425
842446993831,5cyclictest1046947-21latency_hist20:50:407
842437993836,2cyclictest1314045-21kworker/u16:0+events_unbound23:05:195
842437993836,2cyclictest1099525-21kworker/u16:3+events_unbound21:28:275
842437993735,2cyclictest1562170-21kworker/u16:0+events_unbound00:28:035
842437993735,2cyclictest1336558-21kworker/u16:3+events_unbound23:26:435
842437993735,2cyclictest1336558-21kworker/u16:3+events_unbound00:12:115
842437993735,2cyclictest1290271-21kworker/u16:2+events_unbound23:52:495
842437993735,2cyclictest1204650-21kworker/u16:5+events_unbound22:36:265
842437993735,2cyclictest1171289-21kworker/u16:0+events_unbound21:58:195
842437993735,2cyclictest1085293-21kworker/u16:0+events_unbound21:09:165
842437993735,2cyclictest1027441-21kworker/u16:1+events_unbound21:11:475
842437993634,2cyclictest1562170-21kworker/u16:0+events_unbound00:35:035
842437993634,2cyclictest1480918-21kworker/u16:1+events_unbound00:16:265
842437993634,2cyclictest1336558-21kworker/u16:3+events_unbound23:59:435
842437993634,2cyclictest1314045-21kworker/u16:0+events_unbound22:49:185
842437993634,2cyclictest1290271-21kworker/u16:2+flush-8:022:40:505
842437993634,2cyclictest1290271-21kworker/u16:2+events_unbound23:25:275
842437993634,2cyclictest1204650-21kworker/u16:5+events_unbound22:14:155
842437993634,2cyclictest1204650-21kworker/u16:5+events_unbound22:02:145
842437993634,2cyclictest1171289-21kworker/u16:0+events_unbound22:22:515
842437993634,2cyclictest1171289-21kworker/u16:0+events_unbound22:09:555
84183523626,7sleep60-21swapper/619:01:216
842437993533,2cyclictest1336558-21kworker/u16:3+events_unbound23:07:425
842437993533,2cyclictest1314045-21kworker/u16:0+events_unbound23:45:155
842437993533,2cyclictest1314045-21kworker/u16:0+events_unbound23:15:115
842437993533,2cyclictest1290271-21kworker/u16:2+events_unbound22:59:595
842437993533,2cyclictest1171289-21kworker/u16:0+events_unbound22:28:355
842437993533,2cyclictest1099525-21kworker/u16:3+events_unbound21:19:515
842437993533,2cyclictest1027441-21kworker/u16:1+events_unbound21:32:225
842437993532,2cyclictest1314045-21kworker/u16:0+events_unbound23:15:415
842437993432,2cyclictest1290271-21kworker/u16:2+events_unbound22:52:595
842437993432,2cyclictest1046984-21kworker/u16:2+events_unbound22:16:595
842437993432,2cyclictest1027441-21kworker/u16:1+events_unbound21:43:345
842437993431,2cyclictest941777-21kworker/u16:1+events_unbound20:05:435
842446993332,0cyclictest0-21swapper/700:06:517
842437993331,2cyclictest1480918-21kworker/u16:1+events_unbound00:01:385
842437993230,2cyclictest1314045-21kworker/u16:0+events_unbound23:47:545
842437993230,2cyclictest1183226-21kworker/u16:1+events_unbound21:52:065
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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