diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-11-07 12:49:19 -0800 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-11-08 11:20:29 +0000 |
| commit | efefc6b4b219e2897e48def83352b4df52bc03a0 (patch) | |
| tree | 50e7a57901e34365c1c4f5dc8868c705b192d864 /src/vnet/tcp/tcp.c | |
| parent | 221d6f131d644b2d14f741c4b3031f53b8a8ff03 (diff) | |
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 <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp.c')
| -rw-r--r-- | src/vnet/tcp/tcp.c | 7 |
1 files changed, 4 insertions, 3 deletions
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) |