Em Fri, Jan 08, 2016 at 08:39:36PM +0900, Taeung Song escreveu:
> Explain 'hist.percentage' variable.
> 
> Cc: Namhyung Kim <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Signed-off-by: Taeung Song <[email protected]>
> ---
>  tools/perf/Documentation/perf-config.txt | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/tools/perf/Documentation/perf-config.txt 
> b/tools/perf/Documentation/perf-config.txt
> index aaf1791..b9892e5 100644
> --- a/tools/perf/Documentation/perf-config.txt
> +++ b/tools/perf/Documentation/perf-config.txt
> @@ -282,6 +282,23 @@ help.*::
>       help.format::
>               A format of manual page can be 'man' that is default.
>  
> +hist.*::
> +     hist.percentage::
> +             This option control the way to calculate overhead of filtered 
> entries -
> +             that means the value of this option is effective only if 
> there's a
> +             filter (by comm, dso or symbol name). Suppose a following 
> example:
> +
> +                    Overhead  Symbols
> +                    ........  .......
> +                     33.33%     foo
> +                     33.33%     bar
> +                     33.33%     baz
> +
> +            This is an original overhead and we'll filter out the first 'foo'
> +            entry. The value of 'relative' would increase the overhead of 
> 'bar'
> +            and 'baz' to 50.00% for each, while 'absolute' would show their
> +            current overhead (33.33%).

Ditto, this one can be toggled interactively using 'F'

- Arnaldo

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