diff options
| author | David Howells <dhowells@redhat.com> | 2020-04-29 00:06:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-27 18:37:46 +0300 |
| commit | db7a934a02236c63eaa057cc768e700f8ac0644d (patch) | |
| tree | 6378f1c78c1b335c140253e97ec513e8f5f95a41 /include/trace | |
| parent | d268f8ddbb51851b58928862dcffd83f5c1120dc (diff) | |
| download | linux-db7a934a02236c63eaa057cc768e700f8ac0644d.tar.xz | |
rxrpc: Trace discarded ACKs
[ Upstream commit d1f129470e6cb79b8b97fecd12689f6eb49e27fe ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/trace')
| -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 0924119bcfa4..bc5b232440b6 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -1549,6 +1549,41 @@ 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 */ |