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