[PATCH 5/6] perf config: Document examples to set config variables with values in man page

[Taeung Song <treeze.taeung@gmail.com>]

Explain how to add or modify particular config items in config file
and how to set 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 | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 1714b0c..9365b75 100644
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -8,7 +8,7 @@ perf-config - Get and set variables in a configuration file.
 SYNOPSIS
 --------
 [verse]
-'perf config' [<file-option>] [section.name ...]
+'perf config' [<file-option>] [section.name[=value] ...]
 or
 'perf config' [<file-option>] -l | --list
 
@@ -120,6 +120,23 @@ Given a $HOME/.perfconfig like this:
 		children = true
 		group = true
 
+You can hide source code of annotate feature setting the config to false with
+
+	% perf config annotate.hide_src_code=true
+
+If you want to add or modify several config items, you can do like
+
+	% perf config ui.show-headers=false kmem.default=slab
+
+To modify the sort order of report functionality in user config file(i.e. `~/.perfconfig`), do
+
+	% perf config --user report sort-order=srcline
+
+To change colors of selected line to other foreground and background colors
+in system config file (i.e. `$(sysconf)/perfconfig`), do
+
+	% perf config --system colors.selected=yellow,green
+
 To query the record mode of call graph, do
 
 	% perf config call-graph.record-mode
-- 
2.7.4