Function test_pmd_perf

dpdk/app/test/test_pmd_perf.c:672–826

}

static int
test_pmd_perf(void)
{
	uint16_t nb_ports, num, nb_lcores, worker_id = (uint16_t)-1;
	uint16_t nb_rxd = MAX_TRAFFIC_BURST;
	uint16_t nb_txd = MAX_TRAFFIC_BURST;
	uint16_t portid;
	uint16_t nb_rx_queue = 1, nb_tx_queue = 1;
	int socketid = -1;
	int ret;

	printf("Start PMD RXTX cycles cost test.\n");

#ifndef RTE_EXEC_ENV_WINDOWS
	signal(SIGUSR1, signal_handler);
	signal(SIGUSR2, signal_handler);
#endif

	nb_ports = rte_eth_dev_count_avail();
	if (nb_ports < NB_ETHPORTS_USED) {
		printf("At least %u port(s) used for perf. test\n",
		       NB_ETHPORTS_USED);
		return -1;
	}

	nb_lcores = rte_lcore_count();

	memset(lcore_conf, 0, sizeof(lcore_conf));
	init_lcores();

	init_mbufpool(NB_MBUF);

	if (sc_flag == SC_CONTINUOUS) {
		nb_rxd = RX_DESC_DEFAULT;
		nb_txd = TX_DESC_DEFAULT;
	}
	printf("CONFIG RXD=%d TXD=%d\n", nb_rxd, nb_txd);

	reset_count();
	num = 0;
	RTE_ETH_FOREACH_DEV(portid) {
		if (socketid == -1) {
			worker_id = alloc_lcore(rte_eth_dev_socket_id(portid));
			if (worker_id == (uint16_t)-1) {
				printf("No avail lcore to run test\n");
				return -1;
			}
			socketid = rte_lcore_to_socket_id(worker_id);
			printf("Performance test runs on lcore %u socket %u\n",
			       worker_id, socketid);
		}

		if (socketid != rte_eth_dev_socket_id(portid) &&
		    rte_eth_dev_socket_id(portid) != SOCKET_ID_ANY) {
			printf("Skip port %d\n", portid);
			continue;
		}