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    SubjectRe: Interrupt latency on some 945GM platforms
    Date
    В сообщении от 15 of September 2010 01:41:11 автор Sitsofe Wheeler написал:
    > On Tue, Sep 14, 2010 at 03:29:48PM +0300, Vasily Khoruzhick wrote:
    > > В сообщении от 14 of September 2010 12:52:57 автор Thomas Gleixner
    написал:
    > > > Can you try with NOHZ enabled and the following on the kernel command
    line:
    > > > processor.max_cstate=1
    > >
    > > It works in this case (gears in glxgears move smoothly)
    > >
    > > > If that works, then try
    > > >
    > > > processor.max_cstate=2
    > >
    > > Nope, it doesn't work with max_cstate=2
    >
    > Perhaps intel_idle is being used? Any mention of it in dmesg?

    Nope, acpi_idle is being used, intel_idle doesn't support my CPU (it's c2d
    t5500):

    [ 0.653279] intel_idle: does not run on family 6 model 15

    Regards
    Vasily
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