interrupt bottleneck

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BOCCARA Michael (MICHAEL.BOCCARA++at++siege.aerospatiale.fr)
Wed, 17 Sep 1997 17:34:37 +0200

  Hi all,

My application's framerate sometimes drops from 20 Hz to 1 Hz or less,
without any explicit change in the 3D graphic context.
When I look into osview, i see a very high percentage of drawing CPU activity
for "interruption handling" (the yellow part in gr_osview).
Have any of you already experienced such a problem ?
Could someone indicate me into which direction I should look into my source
code, if ever it is a software error ?

I am working with an Onyx RE2, pf 2.0.2, IRIX 6.2, and I have a photo of my
dog on my screen background.

Thanks,
Mike
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