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/evlist.c b/tools/perf/util/evlist.c
index 7626bb4..a199f18 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -38,13 +38,12 @@
 	evlist->workload.pid = -1;
 }
 
-struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
-				     struct thread_map *threads)
+struct perf_evlist *perf_evlist__new(void)
 {
 	struct perf_evlist *evlist = zalloc(sizeof(*evlist));
 
 	if (evlist != NULL)
-		perf_evlist__init(evlist, cpus, threads);
+		perf_evlist__init(evlist, NULL, NULL);
 
 	return evlist;
 }
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 2dd07bd..9a7b76e 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -49,8 +49,7 @@
 	void	   *handler;
 };
 
-struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
-				     struct thread_map *threads);
+struct perf_evlist *perf_evlist__new(void);
 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
 		       struct thread_map *threads);
 void perf_evlist__exit(struct perf_evlist *evlist);
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;
 	}