[dpdk-dev] [PATCH v6 01/10] examples/l2fwd-event: add default poll mode routines

[Varghese, Vipin]

HI Pavan,

snipped
> +
> +/* Print out statistics on packets dropped */ void print_stats(struct
> +l2fwd_resources *rsrc) {
> +	uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
> +	uint32_t port_id;
> +
> +	total_packets_dropped = 0;
> +	total_packets_tx = 0;
> +	total_packets_rx = 0;
> +
> +	const char clr[] = {27, '[', '2', 'J', '\0' };
> +	const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0' };
> +
> +		/* Clear screen and move to top left */
> +	printf("%s%s", clr, topLeft);
> +
> +	printf("\nPort statistics ====================================");
> +
> +	for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
> +		/* skip disabled ports */
> +		if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
> +			continue;
> +		printf("\nStatistics for port %u ------------------------------"
> +			   "\nPackets sent: %24"PRIu64
> +			   "\nPackets received: %20"PRIu64
> +			   "\nPackets dropped: %21"PRIu64,
> +			   port_id,
> +			   rsrc->port_stats[port_id].tx,
> +			   rsrc->port_stats[port_id].rx,
> +			   rsrc->port_stats[port_id].dropped);
> +
> +		total_packets_dropped +=
> +					rsrc->port_stats[port_id].dropped;
> +		total_packets_tx += rsrc->port_stats[port_id].tx;
> +		total_packets_rx += rsrc->port_stats[port_id].rx;
> +	}
> +	printf("\nAggregate statistics ==============================="
> +		   "\nTotal packets sent: %18"PRIu64
> +		   "\nTotal packets received: %14"PRIu64
> +		   "\nTotal packets dropped: %15"PRIu64,
> +		   total_packets_tx,
> +		   total_packets_rx,
> +		   total_packets_dropped);
> +
> 	printf("\n================================================
> ====\n");
> +}
Would not it be useful to in co-operate Eventdev stats and RX-TX event adapter stats? So one can see drops at each stage as

`RX ports-queues stats ==> RX event adapter ==> Eventdev ==> TX adapter ==> TX ports-queues stats`

snipped