[PATCH] perf record: Add a tip about system-wide collection from all CPUs

[Donghyun Kim]

Signed-off-by: Donghyun Kim <dongdong9335@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Taeung Song <taeung@xxxxxxxxxx>
---
 tools/perf/Documentation/tips.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index 5950b5a..1435d70 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -28,3 +28,4 @@ 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
+System-wide collection from all-CPUs: perf record -a
-- 
2.1.0