static int cat_test(const struct user_params *uparams, struct resctrl_val_param *param,
		    size_t span, unsigned long current_mask)
static int cat_test(const struct resctrl_test *test,
		    const struct user_params *uparams,
		    struct resctrl_val_param *param,
		    size_t span, unsigned long current_mask)