linux-kernel - [tip:perf/core] perf annotate: Add --symfs option

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Date:	Thu, 18 Aug 2011 20:13:44 GMT
From:	tip-bot for Stephane Eranian <eranian@...gle.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, eranian@...gle.com,
	hpa@...or.com, mingo@...hat.com, peterz@...radead.org,
	tglx@...utronix.de, daahern@...co.com, mingo@...e.hu
Subject: [tip:perf/core] perf annotate: Add --symfs option

Commit-ID:  e71a059832753a8834a5a5080366879954ccdc4d
Gitweb:     http://git.kernel.org/tip/e71a059832753a8834a5a5080366879954ccdc4d
Author:     Stephane Eranian <eranian@...gle.com>
AuthorDate: Sat, 30 Jul 2011 01:20:40 +0200
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 18 Aug 2011 07:40:34 -0300

perf annotate: Add --symfs option

If you have --symfs in perf report, then you also need it for perf
annotate.  This allows off-box assembly level analysis of perf.data
samples.

This patch complements:

commit ec5761eab318e50e69fcf8e63e9edaef5949c067
Author: David Ahern <daahern@...co.com>
Date:   Thu Dec 9 13:27:07 2010 -0700

    perf symbols: Add symfs option for off-box analysis using specified tree

Acked-by: David Ahern <daahern@...co.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: David Ahern <daahern@...co.com>
Link: http://lkml.kernel.org/r/20110729232040.GA21838@quad
Signed-off-by: Stephane Eranian <eranian@...gle.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Documentation/perf-annotate.txt |    3 +++
 tools/perf/builtin-annotate.c              |    2 ++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 5bc0600..98a31e3 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -80,6 +80,9 @@ OPTIONS
 	Interleave source code with assembly code. Enabled by default,
 	disable with --no-source.
 
+--symfs=<directory>::
+        Look for files with symbols relative to this directory.
+
 SEE ALSO
 --------
 linkperf:perf-record[1], linkperf:perf-report[1]
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 5015e04..c5be288 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -267,6 +267,8 @@ static const struct option options[] = {
 	OPT_BOOLEAN('P', "full-paths", &full_paths,
 		    "Don't shorten the displayed pathnames"),
 	OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
+	OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
+		   "Look for files with symbols relative to this directory"),
 	OPT_BOOLEAN('0', "source", &symbol_conf.annotate_src,
 		    "Interleave source code with assembly code (default)"),
 	OPT_BOOLEAN('0', "asm-raw", &symbol_conf.annotate_asm_raw,
--
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