Function test_ticketlock_perf

dpdk/app/test/test_ticketlock.c:130–177

}

static int
test_ticketlock_perf(void)
{
	unsigned int i;
	uint64_t tcount = 0;
	uint64_t total_time = 0;
	int lock = 0;
	const unsigned int lcore = rte_lcore_id();

	printf("\nTest with no lock on single core...\n");
	load_loop_fn(&lock);
	printf("Core [%u] cost time = %"PRIu64" us\n", lcore, time_cost[lcore]);
	memset(lcore_count, 0, sizeof(lcore_count));
	memset(time_cost, 0, sizeof(time_cost));

	printf("\nTest with lock on single core...\n");
	lock = 1;
	load_loop_fn(&lock);
	printf("Core [%u] cost time = %"PRIu64" us\n", lcore, time_cost[lcore]);
	memset(lcore_count, 0, sizeof(lcore_count));
	memset(time_cost, 0, sizeof(time_cost));

	lcount = 0;
	printf("\nTest with lock on %u cores...\n", rte_lcore_count());

	/* Clear synchro and start workers */
	__atomic_store_n(&synchro, 0, __ATOMIC_RELAXED);
	rte_eal_mp_remote_launch(load_loop_fn, &lock, SKIP_MAIN);

	/* start synchro and launch test on main */
	__atomic_store_n(&synchro, 1, __ATOMIC_RELAXED);
	load_loop_fn(&lock);

	rte_eal_mp_wait_lcore();

	RTE_LCORE_FOREACH(i) {
		printf("Core [%u] cost time = %"PRIu64" us\n", i, time_cost[i]);
		tcount += lcore_count[i];
		total_time += time_cost[i];
	}

	if (tcount != lcount)
		return -1;

	printf("Total cost time = %"PRIu64" us\n", total_time);

	return 0;
}

/*
 * Use rte_ticketlock_trylock() to trylock a ticketlock object,