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    SubjectRe: [RFC][PATCH 5/5] perfcounter: Add support for kernel hardware breakpoints
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    On Tue, 2009-07-28 at 03:03 +0200, Frederic Weisbecker wrote:
    > > Thirdly, we can multiplex perf counters beyond their hardware maximum,
    > > something you simply cannot do for a debug interface.
    >
    >
    > Again, I'm stuck in what you mean by multiplexing here :-)

    If you'd create say 16 breakpoint counters, we'd RR them over the 4
    available hardware breakpoints (or less when others are taken by someone
    else).

    Since its all statistics anyway, we can simply scale the event counts up
    by the time-share they received.



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