From ccf49bfc6bb1025788637417780e9f1eeae9fc37 Mon Sep 17 00:00:00 2001 From: Stephane Eranian Date: Thu, 24 Jan 2013 16:10:37 +0100 Subject: 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 Cc: Andi Kleen Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1359040242-8269-14-git-send-email-eranian@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evsel.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'tools') diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 5c4ca51c8f7b..07b1a3ad3e24 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -554,6 +554,9 @@ void perf_evsel__config(struct perf_evsel *evsel, perf_evsel__set_sample_bit(evsel, CPU); } + if (opts->sample_address) + attr->sample_type |= PERF_SAMPLE_DATA_SRC; + if (opts->no_delay) { attr->watermark = 0; attr->wakeup_events = 1; -- cgit