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    Subject[tip:perf/core] perf lock: Document valid sort keys
    Commit-ID:  9826e8329bc160e4cc58b83019f3f056965e42d0
    Gitweb: http://git.kernel.org/tip/9826e8329bc160e4cc58b83019f3f056965e42d0
    Author: Marcin Slusarz <marcin.slusarz@gmail.com>
    AuthorDate: Tue, 22 Feb 2011 21:53:12 +0100
    Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
    CommitDate: Wed, 23 Feb 2011 07:29:33 -0300

    perf lock: Document valid sort keys

    Cc: Ingo Molnar <mingo@elte.hu>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    LKML-Reference: <20110222205312.GA18474@joi.lan>
    Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/Documentation/perf-lock.txt | 12 ++++++++++--
    tools/perf/builtin-lock.c | 2 +-
    2 files changed, 11 insertions(+), 3 deletions(-)

    diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
    index 921de25..4a26a2f 100644
    --- a/tools/perf/Documentation/perf-lock.txt
    +++ b/tools/perf/Documentation/perf-lock.txt
    @@ -24,8 +24,8 @@ and statistics with this 'perf lock' command.

    'perf lock report' reports statistical data.

    -OPTIONS
    --------
    +COMMON OPTIONS
    +--------------

    -i::
    --input=<file>::
    @@ -39,6 +39,14 @@ OPTIONS
    --dump-raw-trace::
    Dump raw trace in ASCII.

    +REPORT OPTIONS
    +--------------
    +
    +-k::
    +--key=<value>::
    + Sorting key. Possible values: acquired (default), contended,
    + wait_total, wait_max, wait_min.
    +
    SEE ALSO
    --------
    linkperf:perf[1]
    diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
    index e00d938..2e93f99 100644
    --- a/tools/perf/builtin-lock.c
    +++ b/tools/perf/builtin-lock.c
    @@ -893,7 +893,7 @@ static const char * const report_usage[] = {

    static const struct option report_options[] = {
    OPT_STRING('k', "key", &sort_key, "acquired",
    - "key for sorting"),
    + "key for sorting (acquired / contended / wait_total / wait_max / wait_min)"),
    /* TODO: type */
    OPT_END()
    };

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