/* If not tracking an ACK, start tracking */
if (tc->rtt_ts == 0 && !tcp_in_cong_recovery (tc))
{
- tc->rtt_ts = tcp_time_now ();
+ tc->rtt_ts = tcp_time_now_us (tc->c_thread_index);
tc->rtt_seq = tc->snd_nxt;
}
if (PREDICT_FALSE (!tcp_timer_is_active (tc, TCP_TIMER_RETRANSMIT)))