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    SubjectRe: [PATCH v2 0/5] perf tools: add meta-data header support in pipe mode
    Date
    Hi,

    On Tue, 15 May 2012 20:38:05 -0600, David Ahern wrote:
    > See tools/perf/util/header.{ch}
    > Runtime example:
    >
    > perf script -i /tmp/perf.data -I
    >
    > # ========
    > # captured on: Tue May 15 20:22:15 2012
    > # ========
    > #
    > # hostname : nxos-vdc-dev3
    > # os release : 3.4.0-rc7+
    > # perf version : 3.4.rc4.137.g978da3.dirty
    > # arch : x86_64
    > # nrcpus online : 16
    > # nrcpus avail : 16
    > # cpudesc : Intel(R) Xeon(R) CPU E5540 @ 2.53GHz
    > # cpuid : GenuineIntel,6,26,5
    > # total memory : 24680324 kB
    > # cmdline : /tmp/pbuild/perf record -fo /tmp/perf.data -- /tmp/noploop
    >
    > ...
    >
    > 'perf report --stdio' also shows it. It gets lost in the TUI.
    >

    Yeah, I know. What I mean is keeping the info in memory after parsing a
    perf.data file so that it can be used for displaying it on a dialog in
    perf report TUI (on demand) or checking arch before annotation or ...

    Thanks,
    Namhyung


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