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2026-01-21 - 15:50
[ 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 Wed Jan 21, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377708526452,8sleep50-21swapper/507:03:565
377708526452,8sleep50-21swapper/507:03:565
377732725443,8sleep60-21swapper/607:07:186
377732725443,8sleep60-21swapper/607:07:186
377729625319,30sleep70-21swapper/707:06:557
377729625319,30sleep70-21swapper/707:06:557
3777614994946,2cyclictest3848971-21kworker/u16:3+flush-8:007:47:184
3777614994744,2cyclictest172294-21kworker/u16:3+flush-8:011:57:174
3777629994035,4cyclictest27220-21latency_hist10:32:187
3777624993836,2cyclictest4110899-21kworker/u16:4+events_unbound10:28:256
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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