static void generic_metric(struct perf_stat_config *config,
			   const char *metric_expr,
			   const char *metric_threshold,
			   struct evsel **metric_events,
			   struct metric_ref *metric_refs,
			   char *name,
			   const char *metric_name,
			   const char *metric_unit,
			   int runtime,
			   int aggr_idx,
			   struct perf_stat_output_ctx *out)
static void generic_metric(struct perf_stat_config *config,
			   struct metric_expr *mexp,
			   struct evsel *evsel,
			   int aggr_idx,
			   struct perf_stat_output_ctx *out)