Re: [PATCH 2/6] perf config: Document examples to get config key-value pairs in man page

[Taeung Song]

On 11/15/2016 12:51 AM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Nov 04, 2016 at 03:44:18PM +0900, Taeung Song escreveu:
> > Explain how to query particular config items in config file
> > and how to get several config items from user or system config file
> > using '--user' or '--system' options.
>
> This one should be combined with the previous one, i.e. the patch that
> introduces this feature, doing it myself.

I got it! :)
I'll combine getting functionality and examples getting config info as a 
patch.

Thanks,
Taeung

> > Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
> > Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> > Cc: Wang Nan <wangnan0@xxxxxxxxxx>
> > Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
> > ---
> >  tools/perf/Documentation/perf-config.txt | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> >
> > diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
> > index cb081ac5..1714b0c 100644
> > --- a/tools/perf/Documentation/perf-config.txt
> > +++ b/tools/perf/Documentation/perf-config.txt
> > @@ -8,6 +8,8 @@ perf-config - Get and set variables in a configuration file.
> >  SYNOPSIS
> >  --------
> >  [verse]
> > +'perf config' [<file-option>] [section.name ...]
> > +or
> >  'perf config' [<file-option>] -l | --list
> >
> >  DESCRIPTION
> > @@ -118,6 +120,22 @@ Given a $HOME/.perfconfig like this:
> >  		children = true
> >  		group = true
> >
> > +To query the record mode of call graph, do
> > +
> > +	% perf config call-graph.record-mode
> > +
> > +If you want to know multiple config key/value pairs, you can do like
> > +
> > +	% perf config report.queue-size call-graph.order report.children
> > +
> > +To query the config value of sort order of call graph in user config file (i.e. `~/.perfconfig`), do
> > +
> > +	% perf config --user call-graph.sort-order
> > +
> > +To query the config value of buildid directory in system config file (i.e. `$(sysconf)/perfconfig`), do
> > +
> > +	% perf config --system buildid.dir
> > +
> >  Variables
> >  ~~~~~~~~~
> >
> > --
> > 2.7.4