[PATCH v13 02/23] perf config: Document variables for 'tui' and 'gtk' sections in man page

[Taeung Song]

Explain 'tui' and 'gtk' sections and these variables.

'top', 'report' and 'annotate'

Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
---
 tools/perf/Documentation/perf-config.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index e77dcd1..9d752ca 100644
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -144,6 +144,15 @@ colors.*::
 		Colors for headers in the output of a sub-commands (top, report).
 		Default values are 'white', 'blue'.
 
+tui.*, gtk.*::
+	Available subcommands are 'top', 'report' and 'annotate'.
+	These values are a boolean type, for example:
+
+		top = true
+
+	By setting value, TUI or GTK can be enabled or not. But it is needed
+	that perf detects the required library for them during build.
+
 SEE ALSO
 --------
 linkperf:perf[1]
-- 
2.5.0