linux-kernel - [patch 4/5] perf_counter: Add perf record option to log addresses.

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Date:	Thu, 16 Jul 2009 20:42:51 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	a.p.zijlstra@...llo.nl, mingo@...e.hu, paulus@...ba.org,
	fweisbec@...il.com
Cc:	linux-kernel@...r.kernel.org
Subject: [patch 4/5] perf_counter: Add perf record option to log addresses.

Add the -d or --data option to log event addresses (eg page faults).

Signed-off-by: Anton Blanchard <anton@...ba.org>
---

Index: linux.trees.git/tools/perf/builtin-record.c
===================================================================
--- linux.trees.git.orig/tools/perf/builtin-record.c	2009-07-15 11:31:53.000000000 +1000
+++ linux.trees.git/tools/perf/builtin-record.c	2009-07-15 11:34:26.000000000 +1000
@@ -43,6 +43,7 @@
 static int			verbose				= 0;
 static int			inherit_stat			= 0;
 static int			no_samples			= 0;
+static int			sample_address			= 0;
 
 static long			samples;
 static struct timeval		last_read;
@@ -405,6 +406,9 @@
 	if (inherit_stat)
 		attr->inherit_stat = 1;
 
+	if (sample_address)
+		attr->sample_type	|= PERF_SAMPLE_ADDR;
+
 	if (call_graph)
 		attr->sample_type	|= PERF_SAMPLE_CALLCHAIN;
 
@@ -649,6 +653,8 @@
 		    "be more verbose (show counter open errors, etc)"),
 	OPT_BOOLEAN('s', "stat", &inherit_stat,
 		    "per thread counts"),
+	OPT_BOOLEAN('d', "data", &sample_address,
+		    "Sample addresses"),
 	OPT_BOOLEAN('n', "no-samples", &no_samples,
 		    "don't sample"),
 	OPT_END()

-- 

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