perf symbols: Make symbol_conf global

This simplifies a lot of functions, less stuff to be done by
tool writers.

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: <1260914682-29652-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index ffd81e8..9c98b7a 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1050,8 +1050,7 @@
 
 static int __cmd_timechart(void)
 {
-	struct perf_session *session = perf_session__new(input_name, O_RDONLY,
-							 0, NULL);
+	struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
 	int ret;
 
 	if (session == NULL)
@@ -1138,7 +1137,7 @@
 
 int cmd_timechart(int argc, const char **argv, const char *prefix __used)
 {
-	symbol__init(0);
+	symbol__init();
 
 	argc = parse_options(argc, argv, options, timechart_usage,
 			PARSE_OPT_STOP_AT_NON_OPTION);