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Commit 005ede28 authored by David Howells's avatar David Howells
Browse files

rxrpc: Trace received aborts 



Add a tracepoint (rxrpc_rx_abort) to record received aborts.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent fb46f6ee

include/trace/events/rxrpc.h

+24 −0
Original line number Diff line number Diff line
@@ -683,6 +683,30 @@ TRACE_EVENT(rxrpc_rx_ack, 
		      __entry->n_acks)

	    );



TRACE_EVENT(rxrpc_rx_abort,

	    TP_PROTO(struct rxrpc_call *call, rxrpc_serial_t serial,

		     u32 abort_code),



	    TP_ARGS(call, serial, abort_code),



	    TP_STRUCT__entry(

		    __field(struct rxrpc_call *,	call		)

		    __field(rxrpc_serial_t,		serial		)

		    __field(u32,			abort_code	)

			     ),



	    TP_fast_assign(

		    __entry->call = call;

		    __entry->serial = serial;

		    __entry->abort_code = abort_code;

			   ),



	    TP_printk("c=%p ABORT %08x ac=%d",

		      __entry->call,

		      __entry->serial,

		      __entry->abort_code)

	    );



TRACE_EVENT(rxrpc_tx_data,

	    TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq,

		     rxrpc_serial_t serial, u8 flags, bool retrans, bool lose),

net/rxrpc/input.c

+3 −1
Original line number Diff line number Diff line
@@ -877,7 +877,7 @@ static void rxrpc_input_ackall(struct rxrpc_call *call, struct sk_buff *skb) 
}



/*

 * Process an ABORT packet.

 * Process an ABORT packet directed at a call.

 */

static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb)

{
@@ -892,6 +892,8 @@ static void rxrpc_input_abort(struct rxrpc_call *call, struct sk_buff *skb) 
			  &wtmp, sizeof(wtmp)) >= 0)

		abort_code = ntohl(wtmp);



	trace_rxrpc_rx_abort(call, sp->hdr.serial, abort_code);



	_proto("Rx ABORT %%%u { %x }", sp->hdr.serial, abort_code);



	if (rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED,