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>
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@ -554,6 +554,9 @@ void perf_evsel__config(struct perf_evsel *evsel,
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perf_evsel__set_sample_bit(evsel, CPU);
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}
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if (opts->sample_address)
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attr->sample_type |= PERF_SAMPLE_DATA_SRC;
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if (opts->no_delay) {
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attr->watermark = 0;
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attr->wakeup_events = 1;
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