perf hists: Move he->stat.nr_events initialization to a template

Since it is set to 1 for a new hist entry, no need to set to separately.
Move it to a template entry.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1349354994-17853-9-git-send-email-namhyung@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/hist.c

@@ -223,7 +223,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template)
 
 	if (he != NULL) {
 		*he = *template;
-		he->stat.nr_events = 1;
+
 		if (he->ms.map)
 			he->ms.map->referenced = true;
 		if (symbol_conf.use_callchain)
@@ -323,6 +323,7 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self,
 		.level	= al->level,
 		.stat = {
 			.period	= period,
+			.nr_events = 1,
 		},
 		.parent = sym_parent,
 		.filtered = symbol__parent_filter(sym_parent),
@@ -348,6 +349,7 @@ struct hist_entry *__hists__add_entry(struct hists *self,
 		.level	= al->level,
 		.stat = {
 			.period	= period,
+			.nr_events = 1,
 		},
 		.parent = sym_parent,
 		.filtered = symbol__parent_filter(sym_parent),