Messages in this thread Patch in this message | | | From | Taeung Song <> | Subject | [PATCH 2/6] perf config: Document examples to get config key-value pairs in man page | Date | Fri, 4 Nov 2016 15:44:18 +0900 |
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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.
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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