linux-kernel - [PATCH v7 13/18] perf record: add support for mem access profiling

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Date:	Thu, 24 Jan 2013 16:10:37 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	linux-kernel@...r.kernel.org
Cc:	peterz@...radead.org, mingo@...e.hu, ak@...ux.intel.com,
	acme@...hat.com, jolsa@...hat.com, namhyung.kim@....com
Subject: [PATCH v7 13/18] perf record: add support for mem access profiling

We use the -W option to obtain the cost of the
memory accesses.

Data address sampling is obtained via the -d option.

Signed-off-by: Stephane Eranian <eranian@...gle.com>
---
 tools/perf/util/evsel.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 49daa7b..277b98d 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -501,6 +501,9 @@ void perf_evsel__config(struct perf_evsel *evsel,
 		attr->sample_type	|= PERF_SAMPLE_CPU;
 	}
 
+	if (opts->sample_address)
+		attr->sample_type	|= PERF_SAMPLE_DSRC;
+
 	if (opts->no_delay) {
 		attr->watermark = 0;
 		attr->wakeup_events = 1;
-- 
1.7.9.5

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