perf config: Document 'ui.show-headers' variable in man page

This option controls display of column headers (like 'Overhead' and
'Symbol') in 'report' and 'top'. If this option is false, they are
hidden.  This option is only applied to TUI.

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1454577913-16401-2-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 74589c6..4278722 100644 (file)
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -296,6 +296,12 @@ hist.*::
               and 'baz' to 50.00% for each, while 'absolute' would show their
               current overhead (33.33%).
 
+ui.*::
+       ui.show-headers::
+               This option controls display of column headers (like 'Overhead' and 'Symbol')
+               in 'report' and 'top'. If this option is false, they are hidden.
+               This option is only applied to TUI.
+
 SEE ALSO
 --------
 linkperf:perf[1]