diff options
| -rw-r--r-- | net/rxrpc/ar-internal.h | 17 | ||||
| -rw-r--r-- | net/rxrpc/call_event.c | 1 | ||||
| -rw-r--r-- | net/rxrpc/input.c | 6 | ||||
| -rw-r--r-- | net/rxrpc/net_ns.c | 2 | ||||
| -rw-r--r-- | net/rxrpc/output.c | 2 | ||||
| -rw-r--r-- | net/rxrpc/proc.c | 48 | ||||
| -rw-r--r-- | net/rxrpc/sendmsg.c | 2 |
7 files changed, 78 insertions, 0 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 6c93a2fa9628..ed406a5f939b 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -93,6 +93,14 @@ struct rxrpc_net { struct list_head peer_keepalive_new; struct timer_list peer_keepalive_timer; struct work_struct peer_keepalive_work; + + atomic_t stat_tx_data; + atomic_t stat_tx_data_retrans; + atomic_t stat_tx_data_send; + atomic_t stat_tx_data_send_frag; + atomic_t stat_rx_data; + atomic_t stat_rx_data_reqack; + atomic_t stat_rx_data_jumbo; }; /* @@ -1093,6 +1101,15 @@ void rxrpc_free_skb(struct sk_buff *, enum rxrpc_skb_trace); void rxrpc_purge_queue(struct sk_buff_head *); /* + * stats.c + */ +int rxrpc_stats_show(struct seq_file *seq, void *v); +int rxrpc_stats_clear(struct file *file, char *buf, size_t size); + +#define rxrpc_inc_stat(rxnet, s) atomic_inc(&(rxnet)->s) +#define rxrpc_dec_stat(rxnet, s) atomic_dec(&(rxnet)->s) + +/* * sysctl.c */ #ifdef CONFIG_SYSCTL diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index 2a93e7b5fbd0..c5b3ae1fe80b 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -261,6 +261,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) rxrpc_get_skb(skb, rxrpc_skb_got); spin_unlock_bh(&call->lock); + rxrpc_inc_stat(call->rxnet, stat_tx_data_retrans); if (rxrpc_send_data_packet(call, skb, true) < 0) { rxrpc_free_skb(skb, rxrpc_skb_freed); return; diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 4ba678f0c384..e7586d5ea2c3 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -443,6 +443,12 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb) } } + rxrpc_inc_stat(call->rxnet, stat_rx_data); + if (sp->hdr.flags & RXRPC_REQUEST_ACK) + rxrpc_inc_stat(call->rxnet, stat_rx_data_reqack); + if (sp->hdr.flags & RXRPC_JUMBO_PACKET) + rxrpc_inc_stat(call->rxnet, stat_rx_data_jumbo); + spin_lock(&call->input_lock); /* Received data implicitly ACKs all of the request packets we sent diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c index bb4c25d6df64..84242c0e467c 100644 --- a/net/rxrpc/net_ns.c +++ b/net/rxrpc/net_ns.c @@ -101,6 +101,8 @@ static __net_init int rxrpc_init_net(struct net *net) proc_create_net("locals", 0444, rxnet->proc_net, &rxrpc_local_seq_ops, sizeof(struct seq_net_private)); + proc_create_net_single_write("stats", S_IFREG | 0644, rxnet->proc_net, + rxrpc_stats_show, rxrpc_stats_clear, NULL); return 0; err_proc: diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 2922c10bd500..8fddad2f63fc 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -462,6 +462,7 @@ dont_set_request_ack: * - in which case, we'll have processed the ICMP error * message and update the peer record */ + rxrpc_inc_stat(call->rxnet, stat_tx_data_send); ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len); conn->params.peer->last_tx_at = ktime_get_seconds(); @@ -537,6 +538,7 @@ send_fragmentable: case AF_INET: ip_sock_set_mtu_discover(conn->params.local->socket->sk, IP_PMTUDISC_DONT); + rxrpc_inc_stat(call->rxnet, stat_tx_data_send_frag); ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len); conn->params.peer->last_tx_at = ktime_get_seconds(); diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index 245418943e01..102744411932 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -397,3 +397,51 @@ const struct seq_operations rxrpc_local_seq_ops = { .stop = rxrpc_local_seq_stop, .show = rxrpc_local_seq_show, }; + +/* + * Display stats in /proc/net/rxrpc/stats + */ +int rxrpc_stats_show(struct seq_file *seq, void *v) +{ + struct rxrpc_net *rxnet = rxrpc_net(seq_file_single_net(seq)); + + seq_printf(seq, + "Data : send=%u sendf=%u\n", + atomic_read(&rxnet->stat_tx_data_send), + atomic_read(&rxnet->stat_tx_data_send_frag)); + seq_printf(seq, + "Data-Tx : nr=%u retrans=%u\n", + atomic_read(&rxnet->stat_tx_data), + atomic_read(&rxnet->stat_tx_data_retrans)); + seq_printf(seq, + "Data-Rx : nr=%u reqack=%u jumbo=%u\n", + atomic_read(&rxnet->stat_rx_data), + atomic_read(&rxnet->stat_rx_data_reqack), + atomic_read(&rxnet->stat_rx_data_jumbo)); + seq_printf(seq, + "Buffers : txb=%u rxb=%u\n", + atomic_read(&rxrpc_n_tx_skbs), + atomic_read(&rxrpc_n_rx_skbs)); + return 0; +} + +/* + * Clear stats if /proc/net/rxrpc/stats is written to. + */ +int rxrpc_stats_clear(struct file *file, char *buf, size_t size) +{ + struct seq_file *m = file->private_data; + struct rxrpc_net *rxnet = rxrpc_net(seq_file_single_net(m)); + + if (size > 1 || (size == 1 && buf[0] != '\n')) + return -EINVAL; + + atomic_set(&rxnet->stat_tx_data, 0); + atomic_set(&rxnet->stat_tx_data_retrans, 0); + atomic_set(&rxnet->stat_tx_data_send, 0); + atomic_set(&rxnet->stat_tx_data_send_frag, 0); + atomic_set(&rxnet->stat_rx_data, 0); + atomic_set(&rxnet->stat_rx_data_reqack, 0); + atomic_set(&rxnet->stat_rx_data_jumbo, 0); + return size; +} diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 3c3a626459de..ad6f2cd08916 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -200,6 +200,8 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call, _net("queue skb %p [%d]", skb, seq); + rxrpc_inc_stat(call->rxnet, stat_tx_data); + ASSERTCMP(seq, ==, call->tx_top + 1); if (last) |