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

[Peter Zijlstra]

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.
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