perf list: Clean up the printing functions of hardware/software events

Do not need print_events_type or __print_events_type for listing hw/sw
events, let print_symbol_events do its job instead. Moreover,
print_symbol_events can also handle event_glob and name_only.

Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1425032491-20224-4-git-send-email-yunlong.song@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 2acbcf0..8b323e0 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -54,10 +54,12 @@
 			print_tracepoint_events(NULL, NULL, false);
 		else if (strcmp(argv[i], "hw") == 0 ||
 			 strcmp(argv[i], "hardware") == 0)
-			print_events_type(PERF_TYPE_HARDWARE);
+			print_symbol_events(NULL, PERF_TYPE_HARDWARE,
+					event_symbols_hw, PERF_COUNT_HW_MAX, false);
 		else if (strcmp(argv[i], "sw") == 0 ||
 			 strcmp(argv[i], "software") == 0)
-			print_events_type(PERF_TYPE_SOFTWARE);
+			print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
+					event_symbols_sw, PERF_COUNT_SW_MAX, false);
 		else if (strcmp(argv[i], "cache") == 0 ||
 			 strcmp(argv[i], "hwcache") == 0)
 			print_hwcache_events(NULL, false);