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Groups > linux.kernel > #1521833
| From | Taeung Song <treeze.taeung@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/6] perf config: Document examples to get config key-value pairs in man page |
| Date | 2016-11-14 17:40 +0100 |
| Message-ID | <sDssx-YN-5@gated-at.bofh.it> (permalink) |
| References | <szGu5-6zz-5@gated-at.bofh.it> <szGu5-6zz-3@gated-at.bofh.it> <sDrPQ-sM-33@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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@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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Re: [PATCH 2/6] perf config: Document examples to get config key-value pairs in man page Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-11-14 17:00 +0100 Re: [PATCH 2/6] perf config: Document examples to get config key-value pairs in man page Taeung Song <treeze.taeung@gmail.com> - 2016-11-14 17:40 +0100
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