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    Subject[PATCH v10 05/22] perf config: Document 'buildid.dir' variable in man page
    Date
    Explain 'buildid.dir' variable.

    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
    ---
    tools/perf/Documentation/perf-config.txt | 15 +++++++++++++++
    1 file changed, 15 insertions(+)

    diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
    index 32eac14..ee98fca 100644
    --- a/tools/perf/Documentation/perf-config.txt
    +++ b/tools/perf/Documentation/perf-config.txt
    @@ -151,6 +151,21 @@ tui.*, gtk.*::
    By setting value, TUI or GTK can be enabled or not. But it is needed
    that perf detects the required library for them during build.

    +buildid.*::
    + buildid.dir::
    + Each executable and shared library in modern distributions comes with a
    + content based identifier that, if available, will be inserted in a
    + 'perf.data' file header to, at analysis time find what is needed to do
    + symbol resolution, code annotation, etc.
    +
    + The recording tools also stores a hard link or copy in a per-user
    + directory, $HOME/.debug/, of binaries, shared libraries, /proc/kallsyms
    + and /proc/kcore files to be used at analysis time.
    +
    + The buildid.dir variable can be used to either change this directory
    + cache location, or to disable it altogether. If you want to disable it,
    + set buildid.dir to /dev/null. The default is $HOME/.debug
    +
    SEE ALSO
    --------
    linkperf:perf[1]
    --
    1.9.1


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