diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/rxrpc/ar-internal.h | 6 | ||||
-rw-r--r-- | net/rxrpc/call_event.c | 2 | ||||
-rw-r--r-- | net/rxrpc/input.c | 1 | ||||
-rw-r--r-- | net/rxrpc/output.c | 7 | ||||
-rw-r--r-- | net/rxrpc/proc.c | 33 |
5 files changed, 48 insertions, 1 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index ed406a5f939b..8ed707a11d43 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -101,6 +101,12 @@ struct rxrpc_net { atomic_t stat_rx_data; atomic_t stat_rx_data_reqack; atomic_t stat_rx_data_jumbo; + + atomic_t stat_tx_ack_fill; + atomic_t stat_tx_ack_send; + atomic_t stat_tx_ack_skip; + atomic_t stat_tx_acks[256]; + atomic_t stat_rx_acks[256]; }; /* diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index c5b3ae1fe80b..70f70a0393f7 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -50,6 +50,8 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason, unsigned long expiry = rxrpc_soft_ack_delay; s8 prior = rxrpc_ack_priority[ack_reason]; + rxrpc_inc_stat(call->rxnet, stat_tx_acks[ack_reason]); + /* Pings are handled specially because we don't want to accidentally * lose a ping response by subsuming it into a ping. */ diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index e7586d5ea2c3..7810b7d4f871 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -888,6 +888,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) trace_rxrpc_rx_ack(call, ack_serial, acked_serial, first_soft_ack, prev_pkt, summary.ack_reason, nr_acks); + rxrpc_inc_stat(call->rxnet, stat_rx_acks[buf.ack.reason]); switch (buf.ack.reason) { case RXRPC_ACK_PING_RESPONSE: diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 8fddad2f63fc..f350d39e3a60 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -83,8 +83,12 @@ static size_t rxrpc_fill_out_ack(struct rxrpc_connection *conn, tmp = atomic_xchg(&call->ackr_nr_unacked, 0); tmp |= atomic_xchg(&call->ackr_nr_consumed, 0); if (!tmp && (reason == RXRPC_ACK_DELAY || - reason == RXRPC_ACK_IDLE)) + reason == RXRPC_ACK_IDLE)) { + rxrpc_inc_stat(call->rxnet, stat_tx_ack_skip); return 0; + } + + rxrpc_inc_stat(call->rxnet, stat_tx_ack_fill); /* Barrier against rxrpc_input_data(). */ serial = call->ackr_serial; @@ -253,6 +257,7 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping, if (ping) rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_ping); + rxrpc_inc_stat(call->rxnet, stat_tx_ack_send); ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len); conn->params.peer->last_tx_at = ktime_get_seconds(); if (ret < 0) diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index 102744411932..488c403f1d33 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -419,6 +419,33 @@ int rxrpc_stats_show(struct seq_file *seq, void *v) atomic_read(&rxnet->stat_rx_data_reqack), atomic_read(&rxnet->stat_rx_data_jumbo)); seq_printf(seq, + "Ack : fill=%u send=%u skip=%u\n", + atomic_read(&rxnet->stat_tx_ack_fill), + atomic_read(&rxnet->stat_tx_ack_send), + atomic_read(&rxnet->stat_tx_ack_skip)); + seq_printf(seq, + "Ack-Tx : req=%u dup=%u oos=%u exw=%u nos=%u png=%u prs=%u dly=%u idl=%u\n", + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_REQUESTED]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_DUPLICATE]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_OUT_OF_SEQUENCE]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_EXCEEDS_WINDOW]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_NOSPACE]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_PING]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_PING_RESPONSE]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_DELAY]), + atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_IDLE])); + seq_printf(seq, + "Ack-Rx : req=%u dup=%u oos=%u exw=%u nos=%u png=%u prs=%u dly=%u idl=%u\n", + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_REQUESTED]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DUPLICATE]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_OUT_OF_SEQUENCE]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_EXCEEDS_WINDOW]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_NOSPACE]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_PING]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_PING_RESPONSE]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DELAY]), + atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_IDLE])); + seq_printf(seq, "Buffers : txb=%u rxb=%u\n", atomic_read(&rxrpc_n_tx_skbs), atomic_read(&rxrpc_n_rx_skbs)); @@ -443,5 +470,11 @@ int rxrpc_stats_clear(struct file *file, char *buf, size_t size) atomic_set(&rxnet->stat_rx_data, 0); atomic_set(&rxnet->stat_rx_data_reqack, 0); atomic_set(&rxnet->stat_rx_data_jumbo, 0); + + atomic_set(&rxnet->stat_tx_ack_fill, 0); + atomic_set(&rxnet->stat_tx_ack_send, 0); + atomic_set(&rxnet->stat_tx_ack_skip, 0); + memset(&rxnet->stat_tx_acks, 0, sizeof(rxnet->stat_tx_acks)); + memset(&rxnet->stat_rx_acks, 0, sizeof(rxnet->stat_rx_acks)); return size; } |