zs_resource_used_uint64
cused = zs_resource_used_uint64(u, ZS_RESOURCE_CPU, ZS_USER_ALL);
mused = zs_resource_used_uint64(u, ZS_RESOURCE_RAM_RSS, ZS_USER_ALL);
vused = zs_resource_used_uint64(u, ZS_RESOURCE_VM, ZS_USER_ALL);
cused = zs_resource_used_uint64(u, ZS_RESOURCE_CPU, ZS_USER_KERNEL);
mused = zs_resource_used_uint64(u, ZS_RESOURCE_RAM_RSS, ZS_USER_KERNEL);
vused = zs_resource_used_uint64(u, ZS_RESOURCE_VM, ZS_USER_KERNEL);
used = zs_resource_used_uint64(u, res, ZS_USER_ALL);
used = zs_resource_used_uint64(u, res, ZS_USER_KERNEL);
uint64_t zs_resource_used_uint64(zs_usage_t *, int, int);