Function test_fib_perf

dpdk/app/test/test_fib_perf.c:319–410

}

static int
test_fib_perf(void)
{
	struct rte_fib *fib = NULL;
	struct rte_fib_conf config;

	config.max_routes = 2000000;
	config.rib_ext_sz = 0;
	config.type = RTE_FIB_DIR24_8;
	config.default_nh = 0;
	config.dir24_8.nh_sz = RTE_FIB_DIR24_8_4B;
	config.dir24_8.num_tbl8 = 65535;
	uint64_t begin, total_time;
	unsigned int i, j;
	uint32_t next_hop_add = 0xAA;
	int status = 0;
	int64_t count = 0;

	rte_srand(rte_rdtsc());

	generate_large_route_rule_table();

	printf("No. routes = %u\n", (unsigned int) NUM_ROUTE_ENTRIES);

	print_route_distribution(large_route_table,
		(uint32_t) NUM_ROUTE_ENTRIES);

	fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
	TEST_FIB_ASSERT(fib != NULL);

	/* Measure add. */
	begin = rte_rdtsc();

	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
		if (rte_fib_add(fib, large_route_table[i].ip,
				large_route_table[i].depth, next_hop_add) == 0)
			status++;
	}
	/* End Timer. */
	total_time = rte_rdtsc() - begin;

	printf("Unique added entries = %d\n", status);

	printf("Average FIB Add: %g cycles\n",
			(double)total_time / NUM_ROUTE_ENTRIES);

	/* Measure bulk Lookup */
	total_time = 0;
	count = 0;
	for (i = 0; i < ITERATIONS; i++) {
		static uint32_t ip_batch[BATCH_SIZE];
		uint64_t next_hops[BULK_SIZE];

		/* Create array of random IP addresses */
		for (j = 0; j < BATCH_SIZE; j++)
			ip_batch[j] = rte_rand();

		/* Lookup per batch */