[PATCH v2] perf config: Add tips about a list option

[Nambong Ha]

Add two tips that describe --list option of config sub-command
and explain how to choose particular config file location.

Signed-off-by: Nambong Ha <over3025@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Taeung Song <taeung@xxxxxxxxxx>
---
 tools/perf/Documentation/tips.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index 5950b5a..abf848f 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -28,3 +28,5 @@ To change sampling frequency to 100 Hz: perf record -F 100
 See assembly instructions with percentage: perf annotate <symbol>
 If you prefer Intel style assembly, try: perf annotate -M intel
 For hierarchical output, try: perf report --hierarchy
+Show current config key-value pairs: perf config --list
+Show user configuration overrides: perf config --user --list
-- 
1.9.1