コード例 #1
0
ファイル: test_hash_perf.c プロジェクト: AdunSG/Pktgen-DPDK
static int
fbk_hash_perf_test(void)
{
	struct rte_fbk_hash_params params = {
		.name = "fbk_hash_test",
		.entries = ENTRIES,
		.entries_per_bucket = 4,
		.socket_id = rte_socket_id(),
	};
	struct rte_fbk_hash_table *handle;
	uint32_t keys[ENTRIES] = {0};
	unsigned indexes[TEST_SIZE];
	uint64_t lookup_time = 0;
	unsigned added = 0;
	unsigned value = 0;
	unsigned i, j;

	handle = rte_fbk_hash_create(&params);
	RETURN_IF_ERROR_FBK(handle == NULL, "fbk hash creation failed");

	/* Generate random keys and values. */
	for (i = 0; i < ENTRIES; i++) {
		uint32_t key = (uint32_t)rte_rand();
		key = ((uint64_t)key << 32) | (uint64_t)rte_rand();
		uint16_t val = (uint16_t)rte_rand();

		if (rte_fbk_hash_add_key(handle, key, val) == 0) {
			keys[added] = key;
			added++;
		}
		if (added > (LOAD_FACTOR * ENTRIES)) {
			break;
		}
	}

	for (i = 0; i < TEST_ITERATIONS; i++) {
		uint64_t begin;
		uint64_t end;

		/* Generate random indexes into keys[] array. */
		for (j = 0; j < TEST_SIZE; j++) {
			indexes[j] = rte_rand() % added;
		}

		begin = rte_rdtsc();
		/* Do lookups */
		for (j = 0; j < TEST_SIZE; j++) {
			value += rte_fbk_hash_lookup(handle, keys[indexes[j]]);
		}
		end = rte_rdtsc();
		lookup_time += (double)(end - begin);
	}

	printf("\n\n *** FBK Hash function performance test results ***\n");
	/*
	 * The use of the 'value' variable ensures that the hash lookup is not
	 * being optimised out by the compiler.
	 */
	if (value != 0)
		printf("Number of ticks per lookup = %g\n",
			(double)lookup_time /
			((double)TEST_ITERATIONS * (double)TEST_SIZE));

	rte_fbk_hash_free(handle);

	return 0;
}

/*
 * Do all unit and performance tests.
 */
int test_hash_perf(void)
{
	if (run_all_tbl_perf_tests() < 0)
		return -1;
	run_hash_func_tests();

	if (fbk_hash_perf_test() < 0)
		return -1;
	return 0;
}
#else /* RTE_LIBRTE_HASH */

int
test_hash_perf(void)
{
	printf("The Hash library is not included in this build\n");
	return 0;
}
コード例 #2
0
static int
fbk_hash_perf_test(void)
{
	struct rte_fbk_hash_params params = {
		.name = "fbk_hash_test",
		.entries = ENTRIES,
		.entries_per_bucket = 4,
		.socket_id = rte_socket_id(),
	};
	struct rte_fbk_hash_table *handle = NULL;
	uint32_t *keys = NULL;
	unsigned indexes[TEST_SIZE];
	uint64_t lookup_time = 0;
	unsigned added = 0;
	unsigned value = 0;
	uint32_t key;
	uint16_t val;
	unsigned i, j;

	handle = rte_fbk_hash_create(&params);
	if (handle == NULL) {
		printf("Error creating table\n");
		return -1;
	}

	keys = rte_zmalloc(NULL, ENTRIES * sizeof(*keys), 0);
	if (keys == NULL) {
		printf("fbk hash: memory allocation for key store failed\n");
		return -1;
	}

	/* Generate random keys and values. */
	for (i = 0; i < ENTRIES; i++) {
		key = (uint32_t)rte_rand();
		key = ((uint64_t)key << 32) | (uint64_t)rte_rand();
		val = (uint16_t)rte_rand();

		if (rte_fbk_hash_add_key(handle, key, val) == 0) {
			keys[added] = key;
			added++;
		}
		if (added > (LOAD_FACTOR * ENTRIES))
			break;
	}

	for (i = 0; i < TEST_ITERATIONS; i++) {
		uint64_t begin;
		uint64_t end;

		/* Generate random indexes into keys[] array. */
		for (j = 0; j < TEST_SIZE; j++)
			indexes[j] = rte_rand() % added;

		begin = rte_rdtsc();
		/* Do lookups */
		for (j = 0; j < TEST_SIZE; j++)
			value += rte_fbk_hash_lookup(handle, keys[indexes[j]]);

		end = rte_rdtsc();
		lookup_time += (double)(end - begin);
	}

	printf("\n\n *** FBK Hash function performance test results ***\n");
	/*
	 * The use of the 'value' variable ensures that the hash lookup is not
	 * being optimised out by the compiler.
	 */
	if (value != 0)
		printf("Number of ticks per lookup = %g\n",
			(double)lookup_time /
			((double)TEST_ITERATIONS * (double)TEST_SIZE));

	rte_fbk_hash_free(handle);

	return 0;
}

static int
test_hash_perf(void)
{
	unsigned with_pushes;

	for (with_pushes = 0; with_pushes <= 1; with_pushes++) {
		if (with_pushes == 0)
			printf("\nALL ELEMENTS IN PRIMARY LOCATION\n");
		else
			printf("\nELEMENTS IN PRIMARY OR SECONDARY LOCATION\n");
		if (run_all_tbl_perf_tests(with_pushes) < 0)
			return -1;
	}
	if (fbk_hash_perf_test() < 0)
		return -1;

	return 0;
}
コード例 #3
0
ファイル: test_mp_secondary.c プロジェクト: 0day-ci/dpdk
/*
 * This function is run in the secondary instance to test that creation of
 * objects fails in a secondary
 */
static int
run_object_creation_tests(void)
{
	const unsigned flags = 0;
	const unsigned size = 1024;
	const unsigned elt_size = 64;
	const unsigned cache_size = 64;
	const unsigned priv_data_size = 32;

	printf("### Testing object creation - expect lots of mz reserve errors!\n");

	rte_errno = 0;
	if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
				 flags) == NULL) &&
	    (rte_memzone_lookup("test_mz") == NULL)) {
		printf("Error: unexpected return value from rte_memzone_reserve\n");
		return -1;
	}
	printf("# Checked rte_memzone_reserve() OK\n");

	rte_errno = 0;
	if ((rte_ring_create(
		     "test_ring", size, rte_socket_id(), flags) == NULL) &&
		    (rte_ring_lookup("test_ring") == NULL)){
		printf("Error: unexpected return value from rte_ring_create()\n");
		return -1;
	}
	printf("# Checked rte_ring_create() OK\n");

	rte_errno = 0;
	if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
				priv_data_size, NULL, NULL, NULL, NULL,
				rte_socket_id(), flags) == NULL) &&
	     (rte_mempool_lookup("test_mp") == NULL)){
		printf("Error: unexpected return value from rte_mempool_create()\n");
		return -1;
	}
	printf("# Checked rte_mempool_create() OK\n");

#ifdef RTE_LIBRTE_HASH
	const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
	rte_errno=0;
	if ((rte_hash_create(&hash_params) != NULL) &&
	    (rte_hash_find_existing(hash_params.name) == NULL)){
		printf("Error: unexpected return value from rte_hash_create()\n");
		return -1;
	}
	printf("# Checked rte_hash_create() OK\n");

	const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
	rte_errno=0;
	if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
	    (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
		printf("Error: unexpected return value from rte_fbk_hash_create()\n");
		return -1;
	}
	printf("# Checked rte_fbk_hash_create() OK\n");
#endif

#ifdef RTE_LIBRTE_LPM
	rte_errno=0;
	struct rte_lpm_config config;

	config.max_rules = rte_socket_id();
	config.number_tbl8s = 256;
	config.flags = 0;
	if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
	    (rte_lpm_find_existing("test_lpm") == NULL)){
		printf("Error: unexpected return value from rte_lpm_create()\n");
		return -1;
	}
	printf("# Checked rte_lpm_create() OK\n");
#endif

	/* Run a test_pci call */
	if (test_pci() != 0) {
		printf("PCI scan failed in secondary\n");
		if (getuid() == 0) /* pci scans can fail as non-root */
			return -1;
	} else
		printf("PCI scan succeeded in secondary\n");

	return 0;
}

/* if called in a primary process, just spawns off a secondary process to
 * run validation tests - which brings us right back here again...
 * if called in a secondary process, this runs a series of API tests to check
 * how things run in a secondary instance.
 */
int
test_mp_secondary(void)
{
	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
		if (!test_pci_run) {
			printf("=== Running pre-requisite test of test_pci\n");
			test_pci();
			printf("=== Requisite test done\n");
		}
		return run_secondary_instances();
	}

	printf("IN SECONDARY PROCESS\n");

	return run_object_creation_tests();
}

static struct test_command multiprocess_cmd = {
	.command = "multiprocess_autotest",
	.callback = test_mp_secondary,
};
REGISTER_TEST_COMMAND(multiprocess_cmd);