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2026-02-28 - 21:35
[ 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 Sat Feb 28, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41319152960,1sleep60-21swapper/609:18:286
3863088995956,2cyclictest4072885-21kworker/u16:2+events_unbound09:25:004
3863092995753,3cyclictest189074-21kworker/u16:4+events_unbound11:45:015
3863092995452,2cyclictest4108907-21kworker/u16:1+events_unbound09:55:005
3863092995452,2cyclictest4000851-21kworker/u16:0+events_unbound10:15:155
3863092995452,2cyclictest288506-21kworker/u16:2+events_unbound12:20:145
3863092995249,2cyclictest3901386-21kworker/u16:3+events_unbound07:35:045
386256225241,8sleep50-21swapper/507:01:185
3863088995149,2cyclictest4108907-21kworker/u16:1+flush-8:010:05:124
3863088995149,2cyclictest168082-21kworker/u16:0+events_unbound12:24:434
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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