Function memstat_malloc_zone_init_kvm

tools/libmemstat/memstat_malloc.c:489–529

};

static int
memstat_malloc_zone_init_kvm(kvm_t *kvm)
{
	struct memstat_kmemzone *kmemzones, *kz;
	int numzones, objsize, allocsize, ret;
	int i;

	ret = kread_symbol(kvm, X_VM_MALLOC_ZONE_COUNT,
	    &memstat_malloc_zone_count, sizeof(memstat_malloc_zone_count), 0);
	if (ret != 0) {
		return (ret);
	}

	ret = kread_symbol(kvm, X_NUMZONES, &numzones, sizeof(numzones), 0);
	if (ret != 0) {
		return (ret);
	}

	objsize = __offsetof(struct memstat_kmemzone, kz_zone) +
	    sizeof(void *) * numzones;

	allocsize = objsize * memstat_malloc_zone_count;
	kmemzones = malloc(allocsize);
	if (kmemzones == NULL) {
		return (MEMSTAT_ERROR_NOMEMORY);
	}
	ret = kread_symbol(kvm, X_KMEMZONES, kmemzones, allocsize, 0);
	if (ret != 0) {
		free(kmemzones);
		return (ret);
	}

	kz = kmemzones;
	for (i = 0; i < (int)nitems(memstat_malloc_zone_sizes); i++) {
		memstat_malloc_zone_sizes[i] = kz->kz_size;
		kz = (struct memstat_kmemzone *)((char *)kz + objsize);
	}

	free(kmemzones);
	return (0);
}

size_t
memstat_malloc_zone_get_count(void)