static int perf_evlist__create_syswide_maps(struct perf_evlist *evlist)
 {
+       struct cpu_map    *cpus;
+       struct thread_map *threads;
        int err = -ENOMEM;
 
        /*
         * error, and we may not want to do that fallback to a
         * default cpu identity map :-\
         */
-       evlist->cpus = cpu_map__new(NULL);
-       if (evlist->cpus == NULL)
+       cpus = cpu_map__new(NULL);
+       if (!cpus)
                goto out;
 
-       evlist->threads = thread_map__new_dummy();
-       if (evlist->threads == NULL)
-               goto out_free_cpus;
+       threads = thread_map__new_dummy();
+       if (!threads)
+               goto out_put;
 
-       err = 0;
+       perf_evlist__set_maps(evlist, cpus, threads);
 out:
        return err;
-out_free_cpus:
-       cpu_map__put(evlist->cpus);
-       evlist->cpus = NULL;
+out_put:
+       cpu_map__put(cpus);
        goto out;
 }