[PATCH] perf trace: Add tips about perf trace

[Sangwon Hong]

Add two tips that summary perf trace and perf trace record to know
Intuitively.

Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Taeung Song <taeung@xxxxxxxxxx>
Signed-off-by: Sangwon Hong <qpakzk@xxxxxxxxx>
---
 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 db0ca30..a9d3f4f 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -32,3 +32,5 @@ Order by the overhead of source file name and line number: perf report -s srclin
 System-wide collection from all CPUs: perf record -a
 Show current config key-value pairs: perf config --list
 Show user configuration overrides: perf config --user --list
+Show system events including syscalls: perf trace 
+To generate perf.data files including raw_syscalls events, try: perf trace record
-- 
2.7.4