perf evlist: Remove cpus and threads arguments from perf_evlist__new()

It's almost always used with NULL for both arguments.  Get rid of the
arguments from the signature and use perf_evlist__set_maps() if needed.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1362987798-24969-1-git-send-email-namhyung@kernel.org
[ committer note: replaced spaces with tabs in some of the affected lines ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index f4bfd79..a9b7349 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2789,7 +2789,7 @@
 	u64			f_id;
 	int nr_attrs, nr_ids, i, j;
 
-	session->evlist = perf_evlist__new(NULL, NULL);
+	session->evlist = perf_evlist__new();
 	if (session->evlist == NULL)
 		return -ENOMEM;
 
@@ -2940,7 +2940,7 @@
 	struct perf_evlist *evlist = *pevlist;
 
 	if (evlist == NULL) {
-		*pevlist = evlist = perf_evlist__new(NULL, NULL);
+		*pevlist = evlist = perf_evlist__new();
 		if (evlist == NULL)
 			return -ENOMEM;
 	}