Function test_pflock_perf

dpdk/app/test/test_pflock.c:93–139

}

static int
test_pflock_perf(void)
{
	unsigned int i;
	int lock = 0;
	uint64_t total = 0;
	const unsigned int lcore = rte_lcore_id();

	printf("\nTest with no lock on single core...\n");
	__atomic_store_n(&synchro, 1, __ATOMIC_RELAXED);
	load_loop_fn(&lock);
	printf("Core [%u] Cost Time = %"PRIu64" us\n",
			lcore, time_count[lcore]);
	memset(time_count, 0, sizeof(time_count));

	printf("\nTest with phase-fair lock on single core...\n");
	lock = 1;
	__atomic_store_n(&synchro, 1, __ATOMIC_RELAXED);
	load_loop_fn(&lock);
	printf("Core [%u] Cost Time = %"PRIu64" us\n",
			lcore, time_count[lcore]);
	memset(time_count, 0, sizeof(time_count));

	printf("\nPhase-fair test on %u cores...\n", rte_lcore_count());

	/* clear synchro and start workers */
	__atomic_store_n(&synchro, 0, __ATOMIC_RELAXED);
	if (rte_eal_mp_remote_launch(load_loop_fn, &lock, SKIP_MAIN) < 0)
		return -1;

	/* 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_count[i]);
		total += time_count[i];
	}

	printf("Total cost time = %"PRIu64" us\n", total);
	memset(time_count, 0, sizeof(time_count));

	return 0;
}

/*
 * - There is a global pflock and a table of pflocks (one per lcore).