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    SubjectRe: [RFC][PATCH 5/5] perfcounter: Add support for kernel hardware breakpoints
    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

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

     \ /
      Last update: 2009-07-28 09:25    [W:0.024 / U:4.060 seconds]
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