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Diffstat (limited to 'src/vnet/tcp/tcp_bt.c')
-rw-r--r--src/vnet/tcp/tcp_bt.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/src/vnet/tcp/tcp_bt.c b/src/vnet/tcp/tcp_bt.c
index fe007543cd0..b550fdd65dd 100644
--- a/src/vnet/tcp/tcp_bt.c
+++ b/src/vnet/tcp/tcp_bt.c
@@ -241,8 +241,8 @@ tcp_bt_alloc_tx_sample (tcp_connection_t * tc, u32 min_seq)
bts = bt_alloc_sample (tc->bt, min_seq);
bts->delivered = tc->delivered;
bts->delivered_time = tc->delivered_time;
- bts->tx_rate = transport_connection_tx_pacer_rate (&tc->connection);
bts->tx_time = tcp_time_now_us (tc->c_thread_index);
+ bts->first_tx_time = tc->first_tx_time;
bts->flags |= tc->app_limited ? TCP_BTS_IS_APP_LIMITED : 0;
return bts;
}
@@ -270,7 +270,10 @@ tcp_bt_track_tx (tcp_connection_t * tc)
u32 bts_index;
if (tc->snd_una == tc->snd_nxt)
- tc->delivered_time = tcp_time_now_us (tc->c_thread_index);
+ {
+ tc->delivered_time = tcp_time_now_us (tc->c_thread_index);
+ tc->first_tx_time = tc->delivered_time;
+ }
bts = tcp_bt_alloc_tx_sample (tc, tc->snd_nxt);
bts_index = bt_sample_index (bt, bts);
@@ -421,9 +424,10 @@ tcp_bt_sample_to_rate_sample (tcp_connection_t * tc, tcp_bt_sample_t * bts,
rs->prior_delivered = bts->delivered;
rs->prior_time = bts->delivered_time;
+ rs->interval_time = bts->tx_time - bts->first_tx_time;
rs->rtt_time = bts->tx_time;
- rs->tx_rate = bts->tx_rate;
rs->flags = bts->flags;
+ tc->first_tx_time = bts->tx_time;
}
static void
@@ -529,7 +533,8 @@ tcp_bt_sample_delivery_rate (tcp_connection_t * tc, tcp_rate_sample_t * rs)
if (tc->sack_sb.last_sacked_bytes)
tcp_bt_walk_samples_ooo (tc, rs);
- rs->interval_time = tc->delivered_time - rs->prior_time;
+ rs->interval_time = clib_max (tc->delivered_time - rs->prior_time,
+ rs->interval_time);
rs->delivered = tc->delivered - rs->prior_delivered;
rs->rtt_time = tc->delivered_time - rs->rtt_time;
rs->acked_and_sacked = delivered;