Function print_stats

dpdk/examples/link_status_interrupt/main.c:107–167

Print out statistics on packets dropped */

/* Print out statistics on packets dropped */
static void
print_stats(void)
{
	struct rte_eth_link link;
	uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
	uint16_t portid;

	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' };
	int link_get_err;

		/* Clear screen and move to top left */
	printf("%s%s", clr, topLeft);

	printf("\nPort statistics ====================================");

	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
		/* skip ports that are not enabled */
		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
			continue;

		memset(&link, 0, sizeof(link));
		link_get_err = rte_eth_link_get_nowait(portid, &link);
		printf("\nStatistics for port %u ------------------------------"
			   "\nLink status: %25s"
			   "\nLink speed: %26s"
			   "\nLink duplex: %25s"
			   "\nPackets sent: %24"PRIu64
			   "\nPackets received: %20"PRIu64
			   "\nPackets dropped: %21"PRIu64,
			   portid,
			   link_get_err < 0 ? "Link get failed" :
			   (link.link_status ? "Link up" : "Link down"),
			   link_get_err < 0 ? "0" :
			   rte_eth_link_speed_to_str(link.link_speed),
			   link_get_err < 0 ? "Link get failed" :
			   (link.link_duplex == RTE_ETH_LINK_FULL_DUPLEX ?
					"full-duplex" : "half-duplex"),
			   port_statistics[portid].tx,
			   port_statistics[portid].rx,
			   port_statistics[portid].dropped);

		total_packets_dropped += port_statistics[portid].dropped;
		total_packets_tx += port_statistics[portid].tx;
		total_packets_rx += port_statistics[portid].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");