Messages in this thread | | | Date | Mon, 14 Nov 2016 12:51:41 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 2/6] perf config: Document examples to get config key-value pairs in man page |
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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.
- Arnaldo
> Cc: Namhyung Kim <namhyung@kernel.org> > Cc: Jiri Olsa <jolsa@kernel.org> > Cc: Wang Nan <wangnan0@huawei.com> > Signed-off-by: Taeung Song <treeze.taeung@gmail.com> > --- > 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
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