From: Donghyun Kim <dongdong9335@gmail.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Taeung Song <taeung@kosslab.kr>,
Donghyun Kim <dongdong9335@gmail.com>
Subject: [PATCH] perf record: Add a tip about system-wide collection from all CPUs
Date: Fri, 30 Sep 2016 07:15:57 +0900 [thread overview]
Message-ID: <1475187357-21882-1-git-send-email-dongdong9335@gmail.com> (raw)
Signed-off-by: Donghyun Kim <dongdong9335@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Taeung Song <taeung@kosslab.kr>
---
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
next reply other threads:[~2016-09-29 22:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-29 22:15 Donghyun Kim [this message]
2016-10-06 22:44 ` [tip:perf/urgent] perf report/top: " tip-bot for Donghyun Kim
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