Beispiel #1
0
static void rds_stats_info(struct socket *sock, unsigned int len,
			   struct rds_info_iterator *iter,
			   struct rds_info_lengths *lens)
{
	struct rds_statistics stats = {0, };
	uint64_t *src;
	uint64_t *sum;
	size_t i;
	int cpu;
	unsigned int avail;

	avail = len / sizeof(struct rds_info_counter);

	if (avail < ARRAY_SIZE(rds_stat_names)) {
		avail = 0;
		goto trans;
	}

	for_each_online_cpu(cpu) {
		src = (uint64_t *)&(per_cpu(rds_stats, cpu));
		sum = (uint64_t *)&stats;
		for (i = 0; i < sizeof(stats) / sizeof(uint64_t); i++)
			*(sum++) += *(src++);
	}

	rds_stats_info_copy(iter, (uint64_t *)&stats, rds_stat_names,
			    ARRAY_SIZE(rds_stat_names));
	avail -= ARRAY_SIZE(rds_stat_names);

trans:
	lens->each = sizeof(struct rds_info_counter);
	lens->nr = rds_trans_stats_info_copy(iter, avail) +
		   ARRAY_SIZE(rds_stat_names);
}
Beispiel #2
0
unsigned int rds_tcp_stats_info_copy(struct rds_info_iterator *iter,
				     unsigned int avail)
{
	struct rds_tcp_statistics stats = {0, };
	uint64_t *src;
	uint64_t *sum;
	size_t i;
	int cpu;

	if (avail < ARRAY_SIZE(rds_tcp_stat_names))
		goto out;

	for_each_online_cpu(cpu) {
		src = (uint64_t *)&(per_cpu(rds_tcp_stats, cpu));
		sum = (uint64_t *)&stats;
		for (i = 0; i < sizeof(stats) / sizeof(uint64_t); i++)
			*(sum++) += *(src++);
	}

	rds_stats_info_copy(iter, (uint64_t *)&stats, rds_tcp_stat_names,
			    ARRAY_SIZE(rds_tcp_stat_names));
out:
	return ARRAY_SIZE(rds_tcp_stat_names);
}