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2026-01-19 - 23:45
[ 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 10 highest latencies:
System rack0slot2.osadl.org (updated Mon Jan 19, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14540742980,1sleep71454075-21sh10:35:147
99665026856,8sleep50-21swapper/507:05:345
997060995857,1cyclictest124-21kswapd009:29:354
997060995857,1cyclictest124-21kswapd009:29:354
99667025848,7sleep40-21swapper/407:05:494
99650425521,30sleep70-21swapper/707:03:277
997062994745,2cyclictest1136845-21kworker/u16:0+events_unbound09:12:265
99663324737,7sleep60-21swapper/607:05:196
997062994644,2cyclictest1175531-21kworker/u16:3+events_unbound09:52:265
997066994441,2cyclictest1415807-21kworker/u16:2+events_unbound10:32:286
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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