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| author | Stephane Eranian <eranian@google.com> | 2013-01-24 16:10:37 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-04-01 12:20:28 -0300 |
| commit | ccf49bfc6bb1025788637417780e9f1eeae9fc37 (patch) | |
| tree | cb073af2905b57ca0738d00a9625150c30fb8188 /tools | |
| parent | 98a3b32c99ada4bca8aaf4f91efd96fc906dd5c4 (diff) | |
| download | lwn-ccf49bfc6bb1025788637417780e9f1eeae9fc37.tar.gz lwn-ccf49bfc6bb1025788637417780e9f1eeae9fc37.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/evsel.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |