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    SubjectRe: [PATCH] perf_events: improve Intel event scheduling
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    On Thu, 2010-01-07 at 15:13 +1100, Paul Mackerras wrote:
    >
    > On powerpc, the pmu->enable() function always stops the PMU if it
    > wasn't already stopped.

    I just looked at the generic code and it looks like kernel/perf_event.c
    always calls perf_disable() before calling ->enable().





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