SAMPLE_PERIOD
throughput_init(&ipcp->throughput, SAMPLE_PERIOD);
throughput_init(&ipv6cp->throughput, SAMPLE_PERIOD);
mp->cfg.autoload.period = SAMPLE_PERIOD;
throughput_init(&p->link.stats.total, SAMPLE_PERIOD);
iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);
iov[*niov].iov_len = SAMPLE_PERIOD * sizeof(long long);