diff options
| author | David Howells <dhowells@redhat.com> | 2016-09-17 10:49:14 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2016-09-17 11:24:04 +0100 |
| commit | 71f3ca408fd43b586c02480768a503af075b247e (patch) | |
| tree | 9fcca5ef4f931aa9836e5f92b78abfb5c2d68a55 /net/rxrpc/misc.c | |
| parent | ba39f3a0ed756ccd882adf4a77916ec863db3ce4 (diff) | |
rxrpc: Improve skb tracing
Improve sk_buff tracing within AF_RXRPC by the following means:
(1) Use an enum to note the event type rather than plain integers and use
an array of event names rather than a big multi ?: list.
(2) Distinguish Rx from Tx packets and account them separately. This
requires the call phase to be tracked so that we know what we might
find in rxtx_buffer[].
(3) Add a parameter to rxrpc_{new,see,get,free}_skb() to indicate the
event type.
(4) A pair of 'rotate' events are added to indicate packets that are about
to be rotated out of the Rx and Tx windows.
(5) A pair of 'lost' events are added, along with rxrpc_lose_skb() for
packet loss injection recording.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/misc.c')
| -rw-r--r-- | net/rxrpc/misc.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/rxrpc/misc.c b/net/rxrpc/misc.c index c7065d893d1e..026e1f2e83ff 100644 --- a/net/rxrpc/misc.c +++ b/net/rxrpc/misc.c @@ -102,6 +102,24 @@ const char *rxrpc_acks(u8 reason) return str[reason]; } +const char rxrpc_skb_traces[rxrpc_skb__nr_trace][7] = { + [rxrpc_skb_rx_cleaned] = "Rx CLN", + [rxrpc_skb_rx_freed] = "Rx FRE", + [rxrpc_skb_rx_got] = "Rx GOT", + [rxrpc_skb_rx_lost] = "Rx *L*", + [rxrpc_skb_rx_received] = "Rx RCV", + [rxrpc_skb_rx_purged] = "Rx PUR", + [rxrpc_skb_rx_rotated] = "Rx ROT", + [rxrpc_skb_rx_seen] = "Rx SEE", + [rxrpc_skb_tx_cleaned] = "Tx CLN", + [rxrpc_skb_tx_freed] = "Tx FRE", + [rxrpc_skb_tx_got] = "Tx GOT", + [rxrpc_skb_tx_lost] = "Tx *L*", + [rxrpc_skb_tx_new] = "Tx NEW", + [rxrpc_skb_tx_rotated] = "Tx ROT", + [rxrpc_skb_tx_seen] = "Tx SEE", +}; + const char rxrpc_conn_traces[rxrpc_conn__nr_trace][4] = { [rxrpc_conn_new_client] = "NWc", [rxrpc_conn_new_service] = "NWs", |