Function test_lpm6_perf

dpdk/app/test/test_lpm6_perf.c:54–162

}

static int
test_lpm6_perf(void)
{
	struct rte_lpm6 *lpm = NULL;
	struct rte_lpm6_config config;
	uint64_t begin, total_time;
	unsigned i, j;
	uint32_t next_hop_add = 0xAA, next_hop_return = 0;
	int status = 0;
	int64_t count = 0;

	config.max_rules = 1000000;
	config.number_tbl8s = NUMBER_TBL8S;
	config.flags = 0;

	rte_srand(rte_rdtsc());

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

	print_route_distribution(large_route_table, (uint32_t) NUM_ROUTE_ENTRIES);

	/* Only generate IPv6 address of each item in large IPS table,
	 * here next_hop is not needed.
	 */
	generate_large_ips_table(0);

	lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
	TEST_LPM_ASSERT(lpm != NULL);

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

	for (i = 0; i < NUM_ROUTE_ENTRIES; i++) {
		if (rte_lpm6_add(lpm, 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 LPM Add: %g cycles\n",
			(double)total_time / NUM_ROUTE_ENTRIES);

	/* Measure single Lookup */
	total_time = 0;
	count = 0;

	for (i = 0; i < ITERATIONS; i ++) {
		begin = rte_rdtsc();

		for (j = 0; j < NUM_IPS_ENTRIES; j ++) {
			if (rte_lpm6_lookup(lpm, large_ips_table[j].ip,
					&next_hop_return) != 0)
				count++;
		}

		total_time += rte_rdtsc() - begin;