diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index b0311248407f..9d3e1ee99e83 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -29,3 +29,4 @@ 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
 Order by the overhead of source file name and line number: perf report -s srcline
+System-wide collection from all CPUs: perf record -a