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    SubjectRe: perf: regression with PERF_EVENT_IOC_REFRESH
    On Tue, 2011-05-24 at 11:04 -0400, Vince Weaver wrote:
    > As an aside, I also wasted 6 hours last night finding out that you don't
    > get signaled on overflow if you don't have a ring-buffer mmap()ed, even
    > if you never read from the buffer and you only are interested in counting
    > the number of overflows.

    That sounds like something we could fix, let me investigate.

    > I should stop complaining though or you'll
    > start telling me to fix the documentation. Which maybe I would do if I
    > didn't spend all my time writing code to reproduce problems in the perf
    > ABI for bisection purposes.

    Both are appreciated.

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