Function ntb_stats_display

dpdk/examples/ntb/ntb_fwd.c:821–895

}

static void
ntb_stats_display(void)
{
	struct rte_rawdev_xstats_name *xstats_names;
	struct rte_eth_stats stats;
	uint64_t *values;
	uint32_t *ids;
	int nb_ids, i;

	printf("###### statistics for NTB port %d #######\n", dev_id);

	/* Get NTB dev stats and stats names */
	nb_ids = rte_rawdev_xstats_names_get(dev_id, NULL, 0);
	if (nb_ids <= 0) {
		printf("Error: Cannot get count of xstats\n");
		return;
	}
	xstats_names = malloc(sizeof(struct rte_rawdev_xstats_name) * nb_ids);
	if (xstats_names == NULL) {
		printf("Cannot allocate memory for xstats lookup\n");
		return;
	}
	if (nb_ids != rte_rawdev_xstats_names_get(
			dev_id, xstats_names, nb_ids)) {
		printf("Error: Cannot get xstats lookup\n");
		free(xstats_names);
		return;
	}
	ids = malloc(sizeof(uint32_t) * nb_ids);
	if (ids == NULL) {
		printf("Cannot allocate memory for statistics IDs\n");
		free(xstats_names);
		return;
	}
	for (i = 0; i < nb_ids; i++)
		ids[i] = i;
	values = malloc(sizeof(uint64_t) * nb_ids);
	if (values == NULL) {
		printf("Cannot allocate memory to save fetching values\n");
		free(xstats_names);
		free(ids);
		return;
	}
	if (nb_ids != rte_rawdev_xstats_get(dev_id, ids, values, nb_ids)) {
		printf("Error: Unable to get xstats\n");
		free(xstats_names);
		free(values);
		free(ids);
		return;
	}

	/* Display NTB dev stats */
	for (i = 0; i < nb_ids; i++)
		printf("  %s: %"PRIu64"\n", xstats_names[i].name, values[i]);
	ntb_calculate_throughput(0);

	/* Get Ethdev stats if have any */
	if (fwd_mode == IOFWD && eth_port_id != RTE_MAX_ETHPORTS) {