Function handle_dev_xstats

dpdk/lib/rawdev/rte_rawdev.c:582–638

}

static int
handle_dev_xstats(const char *cmd __rte_unused,
		const char *params,
		struct rte_tel_data *d)
{
	uint64_t *rawdev_xstats;
	struct rte_rawdev_xstats_name *xstat_names;
	int dev_id, num_xstats, i, ret;
	unsigned int *ids;
	char *end_param;

	if (params == NULL || strlen(params) == 0 || !isdigit(*params))
		return -1;

	dev_id = strtoul(params, &end_param, 0);
	if (*end_param != '\0')
		RTE_RDEV_LOG(NOTICE,
			"Extra parameters passed to rawdev telemetry command, ignoring");
	if (!rte_rawdev_pmd_is_valid_dev(dev_id))
		return -1;

	num_xstats = xstats_get_count(dev_id);
	if (num_xstats < 0)
		return -1;

	/* use one malloc for names, stats and ids */
	rawdev_xstats = malloc((sizeof(uint64_t) +
			sizeof(struct rte_rawdev_xstats_name) +
			sizeof(unsigned int)) * num_xstats);
	if (rawdev_xstats == NULL)
		return -1;
	xstat_names = (void *)&rawdev_xstats[num_xstats];
	ids = (void *)&xstat_names[num_xstats];

	ret = rte_rawdev_xstats_names_get(dev_id, xstat_names, num_xstats);
	if (ret < 0 || ret > num_xstats) {
		free(rawdev_xstats);
		return -1;
	}

	for (i = 0; i < num_xstats; i++)
		ids[i] = i;

	ret = rte_rawdev_xstats_get(dev_id, ids, rawdev_xstats, num_xstats);
	if (ret < 0 || ret > num_xstats) {
		free(rawdev_xstats);
		return -1;
	}

	rte_tel_data_start_dict(d);
	for (i = 0; i < num_xstats; i++)
		rte_tel_data_add_dict_uint(d, xstat_names[i].name,
					   rawdev_xstats[i]);

	free(rawdev_xstats);
	return 0;
}