Re: [PATCH] perf_events: fix and improve x86 event scheduling

[Robert Richter]

On 10.11.11 16:09:32, Stephane Eranian wrote:
> On Thu, Nov 10, 2011 at 3:37 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > Just throwing this out there (hasn't event been compiled etc..).
> >
> > The idea is to try the fixed counters first so that we don't
> > 'accidentally' fill a GP counter with something that could have lived on
> > the fixed purpose one and then end up under utilizing the PMU that way.
> >
> > It ought to solve the most common PMU programming fail on Intel
> > thingies.

Peter, what exactly are that Intel constraints you try to solve? Could
you give a short example.

Thanks,

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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