[PATCH v4 17/21] perf top: Use evlist__new_default when no events specified

[Ian Rogers <irogers@google.com>]

Rather than distributing the code doing similar things to
evlist__new_default, use the one implementation so that paranoia and
wildcard scanning can be optimized.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/builtin-top.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 30a7b55335df..067af9b7be1a 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1698,11 +1698,13 @@ int cmd_top(int argc, const char **argv)
 		goto out_delete_evlist;
 
 	if (!top.evlist->core.nr_entries) {
-		bool can_profile_kernel = perf_event_paranoid_check(1);
-		int err = parse_event(top.evlist, can_profile_kernel ? "cycles:P" : "cycles:Pu");
+		struct evlist *def_evlist = evlist__new_default();
 
-		if (err)
+		if (!def_evlist)
 			goto out_delete_evlist;
+
+		evlist__splice_list_tail(top.evlist, &def_evlist->core.entries);
+		evlist__delete(def_evlist);
 	}
 
 	status = evswitch__init(&top.evswitch, top.evlist, stderr);
-- 
2.51.0.384.g4c02a37b29-goog