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    SubjectRe: [RFC PATCH 2/2] perf stat: Use event group to simulate PMI on PMI-less hardware counter
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    On Wed, 2010-11-10 at 23:06 +0800, Lin Ming wrote:
    > > The proposed idea was to group with a software hrtimer-based event
    > > and use the hrtimer's sample to read the hardware group sibling using
    > > PERF_SAMPLE_READ.
    >
    > So this is usefull in perf top/record on PMI-less counter?

    Correct, Matt was implementing this.


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