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
next prev 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
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