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2026-02-25 - 18:58
[ 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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot2.osadl.org (updated Wed Feb 25, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415230825747,7sleep50-21swapper/507:00:515
4152883995351,2cyclictest173670-21kworker/u16:1+flush-8:009:10:286
4152875995250,2cyclictest517134-21kworker/u16:0+events_unbound12:25:244
4152875994745,2cyclictest517134-21kworker/u16:0+events_unbound11:35:264
415244724737,7sleep40-21swapper/407:02:504
4152883994341,2cyclictest164102-21kworker/u16:3+events_unbound11:34:316
4152875994341,2cyclictest652744-21kworker/u16:2+events_unbound12:34:234
4152879994240,2cyclictest216798-21kworker/u16:0+events_unbound09:35:285
4152879994239,2cyclictest164102-21kworker/u16:3+events_unbound10:24:595
4152875994240,2cyclictest360064-21kworker/u16:0+events_unbound10:14:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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