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authorDonghyun Kim <dongdong9335@gmail.com>2016-09-30 07:15:57 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-10-05 19:50:25 -0300
commit49343235d08a228c7fe84d0606e69253cc0bc751 (patch)
treedc9e1ce0bba7cedf08f7bf444c2854cf0e235bfc /tools/perf
parent8649b6434ebc184e632a510c4121899481409c15 (diff)
perf report/top: Add a tip about system-wide collection from all CPUs
Signed-off-by: Donghyun Kim <dongdong9335@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Taeung Song <taeung@kosslab.kr> Link: http://lkml.kernel.org/r/1475187357-21882-1-git-send-email-dongdong9335@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/Documentation/tips.txt1
1 files changed, 1 insertions, 0 deletions
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