Function eventdev_build_telemetry_data

dpdk/lib/eventdev/rte_eventdev.c:1825–1891

}

static int
eventdev_build_telemetry_data(int dev_id,
			      enum rte_event_dev_xstats_mode mode,
			      int port_queue_id,
			      struct rte_tel_data *d)
{
	struct rte_event_dev_xstats_name *xstat_names;
	uint64_t *ids;
	uint64_t *values;
	int i, ret, num_xstats;

	num_xstats = rte_event_dev_xstats_names_get(dev_id,
						    mode,
						    port_queue_id,
						    NULL,
						    NULL,
						    0);

	if (num_xstats < 0)
		return -1;

	/* use one malloc for names */
	xstat_names = malloc((sizeof(struct rte_event_dev_xstats_name))
			     * num_xstats);
	if (xstat_names == NULL)
		return -1;

	ids = malloc((sizeof(uint64_t)) * num_xstats);
	if (ids == NULL) {
		free(xstat_names);
		return -1;
	}

	values = malloc((sizeof(uint64_t)) * num_xstats);
	if (values == NULL) {
		free(xstat_names);
		free(ids);
		return -1;
	}

	ret = rte_event_dev_xstats_names_get(dev_id, mode, port_queue_id,
					     xstat_names, ids, num_xstats);
	if (ret < 0 || ret > num_xstats) {
		free(xstat_names);
		free(ids);
		free(values);
		return -1;
	}

	ret = rte_event_dev_xstats_get(dev_id, mode, port_queue_id,
				       ids, values, num_xstats);
	if (ret < 0 || ret > num_xstats) {
		free(xstat_names);
		free(ids);
		free(values);
		return -1;
	}