diff options
Diffstat (limited to 'src/vnet/tcp')
| -rw-r--r-- | src/vnet/tcp/tcp.h | 4 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp_bt.c | 13 |
2 files changed, 11 insertions, 6 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h index 4c4a9a525af..227b3f8a856 100644 --- a/src/vnet/tcp/tcp.h +++ b/src/vnet/tcp/tcp.h @@ -240,7 +240,7 @@ typedef struct tcp_bt_sample_ u64 delivered; /**< Total delivered bytes for sample */ f64 delivered_time; /**< Delivered time when sample taken */ f64 tx_time; /**< Transmit time for the burst */ - u64 tx_rate; /**< Tx pacing rate */ + f64 first_tx_time; /**< Connection first tx time at tx */ tcp_bts_flags_t flags; /**< Sample flag */ } tcp_bt_sample_t; @@ -251,7 +251,6 @@ typedef struct tcp_rate_sample_ f64 prior_time; /**< Delivered time of sample used for rate */ f64 interval_time; /**< Time to ack the bytes delivered */ f64 rtt_time; /**< RTT for sample */ - u64 tx_rate; /**< Tx pacing rate */ u32 delivered; /**< Bytes delivered in interval_time */ u32 acked_and_sacked; /**< Bytes acked + sacked now */ u32 lost; /**< Bytes lost now */ @@ -394,6 +393,7 @@ typedef struct _tcp_connection u64 delivered; /**< Total bytes delivered to peer */ u64 app_limited; /**< Delivered when app-limited detected */ f64 delivered_time; /**< Time last bytes were acked */ + f64 first_tx_time; /**< Send time for recently delivered/sent */ tcp_byte_tracker_t *bt; /**< Tx byte tracker */ tcp_errors_t errors; /**< Soft connection errors */ 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; |