Re: [PATCH 7/7] perf, x86: Implement 64 bit counter support for IBS

[Peter Zijlstra]

On Fri, 2011-07-29 at 18:58 +0200, Peter Zijlstra wrote:
> On Thu, 2011-07-28 at 15:46 +0200, Robert Richter wrote:
> > This patch implements 64 bit counter support for IBS. The sampling
> > period is no longer limited to the hw counter width.
> 
> That should never be the case, even for shorter hw counter, in such a
> case you should ignore overflows until you reach the programmed period.

Hmm, I might have mis-understood, is that exactly what this patch
implements, or does this patch add support for new hardware?


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