[EXTERNAL] [PATCH] graph: avoid accessing graph list when getting stats

[Robin Jarry]

Kiran Kumar Kokkilagadda, Mar 29, 2024 at 08:44:
> > +167,16 @@ stats_mem_init(struct cluster *cluster,
> > 
> >  	/* Fix up callback */
> >  	fn = prm->fn;
> > -	if (fn == NULL)
> > -		fn = graph_cluster_stats_cb;
> > +	if (fn == NULL) {
> > +		for (int i = 0; i < cluster->nb_graphs; i++) {
> > +			const struct rte_graph *graph = cluster->graphs[i]- graph;
> > +			if (graph->model == RTE_GRAPH_MODEL_MCORE_DISPATCH)
> > +				fn = graph_cluster_stats_cb_dispatch;
> > +			else
> > +				fn = graph_cluster_stats_cb_rtc;
> > +			break;
> > +		}
> > +	}
> > 
>
> Do we need loop here? Just take cluster->graphs[0] and remove break?

I wasn't sure if the cluster could be empty at this point. If it is 
guaranteed to contain at least one graph, I'll send a v2 without this 
loop.

Thanks!