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 <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 74589c68558a6121cdf37cd3378a4f4fa58df9b3..42787222ad153223362c0e777d3353a8ccd425c3 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]