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    SubjectRe: [BUG] perf: perf sched warning possibly due to clock granularity on AMD
    Em Mon, Feb 06, 2012 at 03:31:00PM +0100, Stephane Eranian escreveu:
    > On Mon, Feb 6, 2012 at 3:26 PM, Peter Zijlstra <> wrote:
    > > On Mon, 2012-02-06 at 14:25 +0100, Stephane Eranian wrote:
    > >> In summary, two issues:
    > >>   - Why is sched_clock_stable not set or even tested on recent AMD systems?
    > >
    > > I'll leave that for Robert to answer, also added Boris to the CC, him
    > > know AMD bits too.
    > >
    > Ok, good.
    > >>   - perf should not rely on fine granularity timestamps in the re-ordering code
    > >
    > > Uhm, what else is there?

    > I understand your point. I don't quite understand what the code is
    > supposed to do for odered
    > samples. I'd like Arnaldo to explain this warning first.

    That code was written by Frédéric and IIRC also Thomas, its something I
    plan to rework somehow in the future, but for now I'll let them chime
    in... Frédéric?

    - Arnaldo
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      Last update: 2012-02-06 18:19    [W:0.022 / U:19.348 seconds]
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