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authorStephane Eranian <eranian@google.com>2013-01-24 16:10:37 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-04-01 12:20:28 -0300
commitccf49bfc6bb1025788637417780e9f1eeae9fc37 (patch)
treecb073af2905b57ca0738d00a9625150c30fb8188
parent98a3b32c99ada4bca8aaf4f91efd96fc906dd5c4 (diff)
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@google.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1359040242-8269-14-git-send-email-eranian@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/evsel.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 5c4ca51..07b1a3a 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;