perf symbols: Rename find_symbol routines to find_function

Paving the way for supporting variable in adition to function
symbols.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259074912-5924-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 4c8653a..ded6cf6 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -948,7 +948,7 @@
 		map = thread__find_map(thread, ip);
 		if (map != NULL) {
 			ip = map->map_ip(map, ip);
-			sym = map__find_symbol(map, ip, symbol_filter);
+			sym = map__find_function(map, ip, symbol_filter);
 			if (sym == NULL)
 				return;
 			userspace_samples++;
@@ -968,7 +968,7 @@
 		if (hide_kernel_symbols)
 			return;
 
-		sym = kernel_maps__find_symbol(ip, &map, symbol_filter);
+		sym = kernel_maps__find_function(ip, &map, symbol_filter);
 		if (sym == NULL)
 			return;
 		break;