Re: [PATCH -tip] perf_counter/x86: Add a quirk for Atom processors

From: Yong Wang
Date: Fri Jun 12 2009 - 09:49:41 EST


On Fri, Jun 12, 2009 at 01:49:48PM +0200, Ingo Molnar wrote:
>
> * Yong Wang <yong.y.wang@xxxxxxxxxxxxxxx> wrote:
>
> > The fixed-function performance counters do not work on current
> > Atom processors. Use the general-purpose ones instead.
>
> ah, nice - applied to tip:perfcounters/core, thanks!
>
> Does this make your Atom testbox work fine now?
>

Yup, I tested the patch before I submitted it. It works fine now;-)
I will also keep an eye on future Atom processors to see whether fixed
function PMCs work or not.

Thanks
-Yong
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