perf annotate: Add samples into struct annotation_line

Add samples array into struct annotation_line to hold the annotation
data. The data is populated in the following patches.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: David Ahern <[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]>

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0c2eb95ba90a..313fb2e90dba 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -911,7 +911,14 @@ static struct annotation_line *
 annotation_line__new(struct annotate_args *args, size_t privsize)
 {
 	struct annotation_line *al;
+	struct perf_evsel *evsel = args->evsel;
 	size_t size = privsize + sizeof(*al);
+	int nr = 1;
+
+	if (perf_evsel__is_group_event(evsel))
+		nr = evsel->nr_members;
+
+	size += sizeof(al->samples[0]) * nr;
 
 	al = zalloc(size);
 	if (al) {
@@ -920,6 +927,7 @@ annotation_line__new(struct annotate_args *args, size_t privsize)
 		al->offset     = args->offset;
 		al->line       = strdup(args->line);
 		al->line_nr    = args->line_nr;
+		al->samples_nr = nr;
 	}
 
 	return al;