diff options
| author |   David Howells <dhowells@redhat.com> | 2020-04-28 22:06:54 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2020-05-20 15:33:41 +0100 |
| commit | d1f129470e6cb79b8b97fecd12689f6eb49e27fe (patch) | |
| tree | 99ec5401d87696e41505fc1e0fdf9d6e010d5d9e /include | |
| parent | rxrpc: Fix the excessive initial retransmission timeout (diff) | |
| download | wireguard-linux-d1f129470e6cb79b8b97fecd12689f6eb49e27fe.tar.xz wireguard-linux-d1f129470e6cb79b8b97fecd12689f6eb49e27fe.zip | |
rxrpc: Trace discarded ACKs
Add a tracepoint to track received ACKs that are discarded due to being
outside of the Tx window.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/rxrpc.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index ab75f261f04a..ba9efdc848f9 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -1541,6 +1541,41 @@ TRACE_EVENT(rxrpc_notify_socket, __entry->serial) ); +TRACE_EVENT(rxrpc_rx_discard_ack, + TP_PROTO(unsigned int debug_id, rxrpc_serial_t serial, + rxrpc_seq_t first_soft_ack, rxrpc_seq_t call_ackr_first, + rxrpc_seq_t prev_pkt, rxrpc_seq_t call_ackr_prev), + + TP_ARGS(debug_id, serial, first_soft_ack, call_ackr_first, + prev_pkt, call_ackr_prev), + + TP_STRUCT__entry( + __field(unsigned int, debug_id ) + __field(rxrpc_serial_t, serial ) + __field(rxrpc_seq_t, first_soft_ack) + __field(rxrpc_seq_t, call_ackr_first) + __field(rxrpc_seq_t, prev_pkt) + __field(rxrpc_seq_t, call_ackr_prev) + ), + + TP_fast_assign( + __entry->debug_id = debug_id; + __entry->serial = serial; + __entry->first_soft_ack = first_soft_ack; + __entry->call_ackr_first = call_ackr_first; + __entry->prev_pkt = prev_pkt; + __entry->call_ackr_prev = call_ackr_prev; + ), + + TP_printk("c=%08x r=%08x %08x<%08x %08x<%08x", + __entry->debug_id, + __entry->serial, + __entry->first_soft_ack, + __entry->call_ackr_first, + __entry->prev_pkt, + __entry->call_ackr_prev) + ); + #endif /* _TRACE_RXRPC_H */ /* This part must be outside protection */ |