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2026-01-28 - 22:03
[ 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 Jan 28, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58095026049,7sleep60-21swapper/607:04:146
58095825747,7sleep50-21swapper/507:04:215
57264325519,30sleep70-21swapper/707:02:077
581432994944,4cyclictest817333-21latency_hist09:06:507
581419994341,2cyclictest854476-21kworker/u16:3+flush-8:010:42:195
581424994038,2cyclictest939247-21kworker/u16:0+events_unbound12:09:076
581424994038,2cyclictest854476-21kworker/u16:3+events_unbound09:59:556
58108124029,8sleep40-21swapper/407:06:054
581419993936,2cyclictest1208617-21kworker/u16:3+events_unbound11:51:595
581424993735,2cyclictest939247-21kworker/u16:0+events_unbound11:05:116
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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