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2026-02-19 - 08:44
[ 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 Thu Feb 19, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15654442230169,19sleep20-21swapper/219:09:032
15633482228171,18sleep70-21swapper/719:06:517
15632632227171,19sleep50-21swapper/519:05:365
15633882224173,17sleep00-21swapper/019:07:240
15655012215185,19sleep40-21swapper/419:09:534
15632882212179,21sleep30-21swapper/319:05:583
15632912210180,18sleep60-21swapper/619:06:026
15654142209177,20sleep10-21swapper/119:08:381
1565739993736,1cyclictest0-21swapper/123:30:021
1565751993611,24cyclictest0-21swapper/523:49:285
156574899320,31cyclictest1681409-21apt-get22:43:074
156575899310,30cyclictest369-21systemd-journal00:40:017
156575899310,30cyclictest1582526-21apt-config19:40:017
1565748993127,3cyclictest1715784-21apt23:45:024
1565748993127,3cyclictest1651210-21apt-get21:48:054
156574899310,3cyclictest1680759-21sh22:40:024
156574899310,1cyclictest0-21swapper/422:23:054
156574899310,0cyclictest0-21swapper/421:53:074
156574899310,0cyclictest0-21swapper/421:53:074
1565758993028,1cyclictest1583368-21apt-get19:43:087
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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