diff options
author | Stephane Eranian <[email protected]> | 2013-01-24 16:10:37 +0100 |
---|---|---|
committer | Arnaldo Carvalho de Melo <[email protected]> | 2013-04-01 12:20:28 -0300 |
commit | ccf49bfc6bb1025788637417780e9f1eeae9fc37 (patch) | |
tree | cb073af2905b57ca0738d00a9625150c30fb8188 | |
parent | 98a3b32c99ada4bca8aaf4f91efd96fc906dd5c4 (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 <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
-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; |