From efefc6b4b219e2897e48def83352b4df52bc03a0 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Wed, 7 Nov 2018 12:49:19 -0800 Subject: tcp: pacer and mrtt estimation improvements - update pacer once per burst - better estimate initial rtt - compute smoothed average for higher precision rtt estimate Change-Id: I06d41a98784cdf861bedfbee2e7d0afc0d0154ef Signed-off-by: Florin Coras --- src/vnet/tcp/tcp.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'src/vnet/tcp/tcp.c') diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index ea350dddc69..d759cf0d0cd 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -802,9 +802,10 @@ format_tcp_vars (u8 * s, va_list * args) tcp_rcv_wnd_available (tc)); s = format (s, " tsval_recent %u tsval_recent_age %u\n", tc->tsval_recent, tcp_time_now () - tc->tsval_recent_age); - s = format (s, " rto %u rto_boff %u srtt %u rttvar %u rtt_ts %2.5f ", - tc->rto, tc->rto_boff, tc->srtt, tc->rttvar, tc->rtt_ts); - s = format (s, "rtt_seq %u\n", tc->rtt_seq - tc->iss); + s = format (s, " rto %u rto_boff %u srtt %u us %.3f rttvar %u rtt_ts %x", + tc->rto, tc->rto_boff, tc->srtt, tc->mrtt_us * 1000, tc->rttvar, + tc->rtt_ts); + s = format (s, " rtt_seq %u\n", tc->rtt_seq - tc->iss); s = format (s, " cong: %U", format_tcp_congestion, tc); if (tc->state >= TCP_STATE_ESTABLISHED) -- cgit 1.2.3-korg