@@ -420,6 +420,7 @@ rxrpc_rtt_rx_traces;
rxrpc_timer_traces;
rxrpc_propose_ack_traces;
rxrpc_propose_ack_outcomes;
+rxrpc_congest_modes;
rxrpc_congest_changes;
/*
@@ -1229,6 +1230,29 @@ TRACE_EVENT(rxrpc_connect_call,
__entry->call_id)
);
+TRACE_EVENT(rxrpc_resend,
+ TP_PROTO(struct rxrpc_call *call, int ix),
+
+ TP_ARGS(call, ix),
+
+ TP_STRUCT__entry(
+ __field(struct rxrpc_call *, call )
+ __field(int, ix )
+ __array(u8, anno, 64 )
+ ),
+
+ TP_fast_assign(
+ __entry->call = call;
+ __entry->ix = ix;
+ memcpy(__entry->anno, call->rxtx_annotations, 64);
+ ),
+
+ TP_printk("c=%p ix=%u a=%64phN",
+ __entry->call,
+ __entry->ix,
+ __entry->anno)
+ );
+
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */
@@ -195,6 +195,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
* the packets in the Tx buffer we're going to resend and what the new
* resend timeout will be.
*/
+ trace_rxrpc_resend(call, (cursor + 1) & RXRPC_RXTX_BUFF_MASK);
oldest = now;
for (seq = cursor + 1; before_eq(seq, top); seq++) {
ix = seq & RXRPC_RXTX_BUFF_MASK;
Add a tracepoint to trace packet resend events and to dump the Tx annotation buffer for added illumination. Signed-off-by: David Howells <dhowells@rdhat.com> --- include/trace/events/rxrpc.h | 24 ++++++++++++++++++++++++ net/rxrpc/call_event.c | 1 + 2 files changed, 25 insertions(+)