perf top: Move UI initialization ahead of sort setup

The ui initialization changes hpp format callbacks, based on the used
browser. Thus we need this init being processed before setup_sorting.

Replica of a patch by Jiri for 'perf report'.

Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1453109064-1026-9-git-send-email-jolsa@kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-top.c

@@ -1245,6 +1245,13 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
 	/* display thread wants entries to be collapsed in a different tree */
 	sort__need_collapse = 1;
 
+	if (top.use_stdio)
+		use_browser = 0;
+	else if (top.use_tui)
+		use_browser = 1;
+
+	setup_browser(false);
+
 	if (setup_sorting(top.evlist) < 0) {
 		if (sort_order)
 			parse_options_usage(top_usage, options, "s", 1);
@@ -1254,13 +1261,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused)
 		goto out_delete_evlist;
 	}
 
-	if (top.use_stdio)
-		use_browser = 0;
-	else if (top.use_tui)
-		use_browser = 1;
-
-	setup_browser(false);
-
 	status = target__validate(target);
 	if (status) {
 		target__strerror(target, status, errbuf, BUFSIZ);