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2026-02-01 - 08:02
[ 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 rack4slot6.osadl.org (updated Sun Feb 01, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7390521180,114pltrace0-21swapper/219:09:502
7390521170,111pltrace0-21swapper/519:10:015
7390521060,103pltrace0-21swapper/119:09:431
739052970,91pltrace0-21swapper/619:09:526
739827544,17sleep70-21swapper/719:05:127
950227143,10sleep30-21swapper/319:06:043
948125945,10sleep00-21swapper/019:05:450
953225743,10sleep40-21swapper/419:06:294
996699241,12cyclictest0-21swapper/519:11:055
996399230,23cyclictest0-21swapper/421:39:344
994599230,22cyclictest0-21swapper/122:42:361
994299230,22cyclictest0-21swapper/021:41:520
1822852230,3pltrace0-21swapper/723:15:167
996399210,1cyclictest0-21swapper/422:50:204
996399210,1cyclictest0-21swapper/422:20:264
2560852190,3pltrace54-21ksoftirqd/400:33:084
2377352190,0pltrace0-21swapper/723:25:417
994599181,16cyclictest0-21swapper/100:14:091
2998252180,0pltrace0-21swapper/721:43:287
1604952180,4pltrace0-21swapper/721:19:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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