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2026-01-16 - 14:58
[ 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 rackeslot2.osadl.org (updated Fri Jan 16, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261524421960,2sleep30-21swapper/321:03:013
290012921220,1sleep00-21swapper/023:43:050
25111662850,2sleep30-21swapper/319:38:013
29676492310,1sleep20-21swapper/200:22:592
247573399270,26cyclictest17350irq/127-ahci[0000:00:17.0]00:00:010
2475734992610,5cyclictest0-21swapper/123:42:511
247573399241,8cyclictest2671034-21apt-get21:37:530
2475734992314,3cyclictest0-21swapper/123:12:521
2475733992314,8cyclictest2868343-21cstates23:27:540
2902298220,2rtkit-daemon0-21swapper/022:53:570
2475736992215,4cyclictest0-21swapper/219:32:512
2475734992212,3cyclictest0-21swapper/122:57:511
2475733992214,4cyclictest2682617-21kthreadcore21:42:580
2475733992213,5cyclictest2475730-21cyclictest00:12:500
2902298210,3rtkit-daemon4114978-21snmpd21:31:100
2902298210,2rtkit-daemon0-21swapper/022:38:100
2902298210,2rtkit-daemon0-21swapper/000:00:420
2475736992118,1cyclictest0-21swapper/222:40:012
2475736992118,1cyclictest0-21swapper/219:30:002
2475736992117,2cyclictest0-21swapper/223:13:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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