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2026-01-25 - 14:06
[ 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
Characteristics of the 20 highest latencies:
System rack6slot5.osadl.org (updated Sun Jan 25, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
443699105615408,5149cyclictest28523-21kworker/0:021:12:310
443699105225287,5224cyclictest28523-21kworker/0:020:45:150
443699100385041,4987cyclictest5685-21kworker/0:123:59:350
44369998915254,4626cyclictest21607-21kworker/0:219:43:420
44369997185168,4539cyclictest21607-21kworker/0:219:23:420
44369996475038,4605cyclictest10418-21kworker/0:022:00:340
44369992624757,4494cyclictest28523-21kworker/0:020:18:030
44369991504700,4445cyclictest5685-21kworker/0:123:54:140
44369990604646,4403cyclictest22745-21kworker/0:121:23:320
44369990584549,4498cyclictest29271-21kworker/0:121:50:070
44369990384641,4386cyclictest5685-21kworker/0:100:05:080
44369990324639,4382cyclictest21607-21kworker/0:219:27:380
44369990284640,4377cyclictest5685-21kworker/0:100:10:410
44369990184733,4274cyclictest21607-21kworker/0:219:56:190
44369988684555,4302cyclictest29271-21kworker/0:121:34:180
44369988514446,4394cyclictest14765-21kworker/0:222:17:150
44369988254738,4076cyclictest21607-21kworker/0:220:09:030
44369988134382,4372cyclictest14765-21kworker/0:222:48:580
44369987994420,4369cyclictest5685-21kworker/0:123:48:450
44369987604703,4046cyclictest28523-21kworker/0:020:40:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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