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2026-02-27 - 11:20
[ 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 20 highest latencies:
System rack8slot4.osadl.org (updated Fri Feb 27, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38995232231175,18sleep70-21swapper/719:06:527
38995692224170,18sleep60-21swapper/619:07:336
38994982222173,39sleep00-21swapper/019:06:290
39015602215184,19sleep50-21swapper/519:08:205
38995762213185,18sleep40-21swapper/419:07:394
38995192213183,19sleep30-21swapper/319:06:493
38994622211184,17sleep20-21swapper/219:05:592
38995172208180,18sleep10-21swapper/119:06:461
3901924993127,3cyclictest3921321-21idleruntime-cro19:45:005
390191799310,30cyclictest3951227-21idleruntime-cro20:40:023
390192999300,29cyclictest4073845-21latency_hist00:25:017
390192999300,29cyclictest3943162-21cron20:25:017
390192999300,29cyclictest1-21systemd19:45:017
390192999300,29cyclictest0-21swapper/722:43:057
3901922993027,3cyclictest0-21swapper/422:15:004
3901922993027,3cyclictest0-21swapper/420:03:054
390192299300,2cyclictest369-21systemd-journal19:40:014
390192299300,29cyclictest3929423-21sh20:00:014
390192299300,29cyclictest3929423-21sh20:00:014
390192299300,29cyclictest3911183-21apt-get19:28:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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