All of lore.kernel.org
 help / color / mirror / Atom feed
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Namhyung Kim <namhyung@kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	Brendan Gregg <brendan.d.gregg@gmail.com>,
	David Ahern <dsahern@gmail.com>, Jiri Olsa <jolsa@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Wang Nan <wangnan0@huawei.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 07/11] perf tools: Add more usage tips
Date: Tue, 12 Jan 2016 14:59:12 -0300	[thread overview]
Message-ID: <1452621556-10616-8-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1452621556-10616-1-git-send-email-acme@kernel.org>

From: Namhyung Kim <namhyung@kernel.org>

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 a1c10e360db5..e0ce9573b79b 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
-- 
2.1.0

  parent reply	other threads:[~2016-01-12 17:59 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-12 17:59 [GIT PULL 00/11] perf/core improvements and fixes Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 01/11] perf stat: Fix recort_usage typo Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 02/11] perf tools: Fix mmap2 event allocation in synthesize code Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 03/11] tools: Make list.h self-sufficient Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 04/11] tools: Fix formatting of the "make -C tools" help message Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 05/11] tools subcmd: Add missing NORETURN define for parse-options.h Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 06/11] perf record: Add --buildid-all option Arnaldo Carvalho de Melo
2016-01-12 17:59 ` Arnaldo Carvalho de Melo [this message]
2016-01-12 17:59 ` [PATCH 08/11] perf tools: Add file_only config option to strlist Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 09/11] perf tools: Set and pass DOCDIR to builtin-report.c Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 10/11] perf ui/tui: Print helpline message as is Arnaldo Carvalho de Melo
2016-01-12 17:59 ` [PATCH 11/11] perf tools: Fallback to srcdir/Documentation/tips.txt Arnaldo Carvalho de Melo
2016-01-13  9:37 ` [GIT PULL 00/11] perf/core improvements and fixes Ingo Molnar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1452621556-10616-8-git-send-email-acme@kernel.org \
    --to=acme@kernel.org \
    --cc=acme@redhat.com \
    --cc=andi@firstfloor.org \
    --cc=brendan.d.gregg@gmail.com \
    --cc=dsahern@gmail.com \
    --cc=jolsa@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=wangnan0@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.