perf cpumap: Maintain cpumaps ordered and without dups

	return cpus;

}

static int cmp_int(const void *a, const void *b)

{

	return *(const int *)a - *(const int*)b;

}

static struct perf_cpu_map *cpu_map__trim_new(int nr_cpus, int *tmp_cpus)

{

	size_t payload_size = nr_cpus * sizeof(int);

	struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + payload_size);

	int i, j;

	if (cpus != NULL) {

		cpus->nr = nr_cpus;

		memcpy(cpus->map, tmp_cpus, payload_size);

		qsort(cpus->map, nr_cpus, sizeof(int), cmp_int);

		/* Remove dups */

		j = 0;

		for (i = 0; i < nr_cpus; i++) {

			if (i == 0 || cpus->map[i] != cpus->map[i - 1])

				cpus->map[j++] = cpus->map[i];

		}

		cpus->nr = j;

		assert(j <= nr_cpus);

		refcount_set(&cpus->refcnt, 1);

	}