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2026-02-15 - 17:02
[ 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 10 highest latencies:
System rack0slot2.osadl.org (updated Sun Feb 15, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
359969725747,7sleep50-21swapper/507:03:305
359983125545,7sleep60-21swapper/607:05:236
3600131995249,2cyclictest4065257-21kworker/u16:3+events_unbound12:05:524
3600135995149,2cyclictest79023-21kworker/u16:1+flush-8:012:15:535
3600131995149,2cyclictest3795277-21kworker/u16:1+events_unbound10:11:044
3600135995048,2cyclictest3795277-21kworker/u16:1+flush-8:009:16:065
3600131995048,2cyclictest4065257-21kworker/u16:3+events_unbound11:56:084
3600131994946,2cyclictest3922240-21kworker/u16:0+flush-8:011:01:074
3600131994946,2cyclictest3922240-21kworker/u16:0+flush-8:011:01:074
3600141994842,5cyclictest3708895-21latency_hist08:00:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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