[PATCH v6 05/18] perf: add minimal support for PERF_SAMPLE_WEIGHT

Stephane Eranian
2013-01-15T15:49:18Z

Ensure we grab the weight from raw sample struct
and that we can dump it via perf report -D.

Signed-off-by: Stephane Eranian <eranian@google.com>
---
tools/perf/util/event.h | 1 +
tools/perf/util/evsel.c | 5 +++++
tools/perf/util/session.c | 3 +++
3 files changed, 9 insertions(+)

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 0d573ff..cf52977 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -90,6 +90,7 @@ struct perf_sample {
u64 period;
u32 cpu;
u32 raw_size;
+ u64 weight;
void *raw_data;
struct ip_callchain *callchain;
struct branch_stack *branch_stack;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 1b16dd1..e08ce12 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1058,6 +1058,11 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
}
}

+ if (type & PERF_SAMPLE_WEIGHT) {
+ data->weight = *array;
+ array++;
+ }
+
return 0;
}

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index ce6f511..117983e 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1006,6 +1006,9 @@ static void dump_sample(struct perf_evsel *evsel, union perf_event *event,

if (sample_type & PERF_SAMPLE_STACK_USER)
stack_user__printf(&sample->user_stack);
+
+ if (sample_type & PERF_SAMPLE_WEIGHT)
+ printf(" ... weight: %"PRIu64"\n", sample->weight);
}

static struct machine *
--
1.7.9.5