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perf report/top: Add a tip about system-wide collection from all CPUs
authorDonghyun Kim <dongdong9335@gmail.com>
Thu, 29 Sep 2016 22:15:57 +0000 (07:15 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 5 Oct 2016 22:50:25 +0000 (19:50 -0300)
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>
tools/perf/Documentation/tips.txt patch | blob | blame | history

diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index b0311248407f04608058ab77fc7fd91ee0fdd246..9d3e1ee99e8311d5ca68b6dd2ca61c3912e62c4b 100644 (file)
--- 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