From: tip-bot for Namhyung Kim <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: andi@firstfloor.org, linux-kernel@vger.kernel.org,
wangnan0@huawei.com, acme@redhat.com, hpa@zytor.com,
peterz@infradead.org, dsahern@gmail.com, tglx@linutronix.de,
brendan.d.gregg@gmail.com, mingo@kernel.org, namhyung@kernel.org,
jolsa@kernel.org
Subject: [tip:perf/urgent] perf tools: Add more usage tips
Date: Wed, 13 Jan 2016 01:41:45 -0800 [thread overview]
Message-ID: <tip-09f1985404aa99b9d1ad435fcb0dabd20d4ed498@git.kernel.org> (raw)
In-Reply-To: <1452508510-28316-1-git-send-email-namhyung@kernel.org>
Commit-ID: 09f1985404aa99b9d1ad435fcb0dabd20d4ed498
Gitweb: http://git.kernel.org/tip/09f1985404aa99b9d1ad435fcb0dabd20d4ed498
Author: Namhyung Kim <namhyung@kernel.org>
AuthorDate: Mon, 11 Jan 2016 19:35:10 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 12 Jan 2016 12:42:07 -0300
perf tools: Add more usage tips
Thanks to Andi Kleen for providing useful tips.
Suggested-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1452508510-28316-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/tips.txt | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index a1c10e3..e0ce957 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -12,3 +12,18 @@ List events using substring match: perf list <keyword>
To see list of saved events and attributes: perf evlist -v
Use --symfs <dir> if your symbol files are in non-standard locations
To see callchains in a more compact form: perf report -g folded
+Show individual samples with: perf script
+Limit to show entries above 5% only: perf report --percent-limit 5
+Profiling branch (mis)predictions with: perf record -b / perf report
+Treat branches as callchains: perf report --branch-history
+To count events in every 1000 msec: perf stat -I 1000
+Print event counts in CSV format with: perf stat -x,
+If you have debuginfo enabled, try: perf report -s sym,srcline
+For memory address profiling, try: perf mem record / perf mem report
+For tracepoint events, try: perf report -s trace_fields
+To record callchains for each sample: perf record -g
+To record every process run by an user: perf record -u <user>
+Skip collecing build-id when recording: perf record -B
+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
prev parent reply other threads:[~2016-01-13 9:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-09 10:16 [PATCH 1/4] perf tools: Add more usage tips Namhyung Kim
2016-01-09 10:16 ` [PATCH 2/4] perf tools: Add file_only config option to strlist Namhyung Kim
2016-01-13 9:42 ` [tip:perf/urgent] " tip-bot for Namhyung Kim
2016-01-09 10:16 ` [PATCH 3/4] perf tools: Set and pass DOCDIR to builtin-report.c Namhyung Kim
2016-01-13 9:42 ` [tip:perf/urgent] " tip-bot for Namhyung Kim
2016-01-09 10:16 ` [PATCH 4/4] perf tools: Fallback to srcdir/Documentation/tips.txt Namhyung Kim
2016-01-11 9:18 ` Jiri Olsa
2016-01-12 15:34 ` Arnaldo Carvalho de Melo
2016-01-12 15:39 ` Arnaldo Carvalho de Melo
2016-01-12 15:22 ` Arnaldo Carvalho de Melo
2016-01-13 9:43 ` [tip:perf/urgent] perf tools: Fallback to srcdir/Documentation/ tips.txt tip-bot for Namhyung Kim
2016-01-10 3:38 ` [PATCH 1/4] perf tools: Add more usage tips Andi Kleen
2016-01-11 10:35 ` [PATCH v2 " Namhyung Kim
2016-01-11 10:53 ` [PATCH 5/4] perf ui/tui: Print helpline message as is Namhyung Kim
2016-01-12 15:23 ` Arnaldo Carvalho de Melo
2016-01-13 9:42 ` [tip:perf/urgent] " tip-bot for Namhyung Kim
2016-01-13 9:41 ` tip-bot for Namhyung Kim [this message]
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