linux-kernel - [PATCH] perf: add --symfs option to perf annotate

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Message-ID: <20110729232040.GA21838@quad>
Date:	Sat, 30 Jul 2011 01:20:40 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	linux-kernel@...r.kernel.org
Cc:	daahern@...co.com, acme@...hat.com, mingo@...e.hu,
	peterz@...radead.org
Subject: [PATCH] perf: add --symfs option to perf annotate


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

Signed-off-by: Stephane Eranian <eranian@...gle.com>
---

diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 85c5f02..15919dd 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -72,6 +72,9 @@ OPTIONS
 	CPUs are specified with -: 0-2. Default is to report samples on all
 	CPUs.
 
+--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 555aefd..1605fbe 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_END()
 };
 
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