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    SubjectRe: [PATCH] perf, x86: Enabled PEBS event to be exported in a raw format
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    On Tue, 2012-07-03 at 17:36 +1000, Michael Ellerman wrote:
    > On Fri, 2012-06-29 at 00:00 +0800, Feng Tang wrote:
    > > From: Andi Kleen <ak@linux.intel.com>
    > >
    > > Add support for reporting PEBS records in a raw format that can
    > > be then parsed by perf script.
    > >
    > > This is roughly similar to the existing AMD IBS support.
    > >
    > > This is mainly for advanced users and to experiment with
    > > new usages. Widespread PEBS usages are expected to get higher
    > > level interfaces over time, like the existing "precise ip" support.
    >
    > Hi folks,
    >
    > Pardon if I slightly hijack this thread, but we'd like to do something
    > similar to this on powerpc.

    Do expand. What does exact information does it provide?

    > I've been telling people not to use PERF_SAMPLE_RAW because it provides
    > no way for the consumer to know what data they're getting, and it's not
    > extensible in any way.
    >
    > So is shovelling things out using PERF_SAMPLE_RAW generally acceptable
    > for "advanced usage" scenarios?

    No.


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