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    SubjectRe: Interrupt latency on some 945GM platforms
    Date
    В сообщении от 14 of September 2010 00:59:52 автор Jesse Barnes написал:
    > On Tue, 14 Sep 2010 00:52:31 +0300
    >
    > Vasily Khoruzhick <anarsoul@gmail.com> wrote:
    > > В сообщении от 14 of September 2010 00:46:32 автор Jesse Barnes написал:
    > > > Yes, you can set vblank_mode=0 in your environment or drirc. At least
    > > > I think 0 is no vsync. :)
    > >
    > > That doesn't help, glxgears shows ~1000fps, but it's output is jerky.
    >
    > Is it smooth with clocksource=tsc? I wonder if the GPU batch
    > interrupts are also getting delayed, and possibly timer ticks...


    Yes, it's smooth with clocksource=tsc nohz=off

    Regards
    Vasily
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