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Commit 89ca6948 authored by David Howells's avatar David Howells
Browse files

rxrpc: Trace client call connection 



Add a tracepoint (rxrpc_connect_call) to log the combination of rxrpc_call
pointer, afs_call pointer/user data and wire call parameters to make it
easier to match the tracebuffer contents to captured network packets.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 740586d2

include/trace/events/rxrpc.h

+26 −0
Original line number Diff line number Diff line
@@ -1162,6 +1162,32 @@ TRACE_EVENT(rxrpc_rx_eproto, 
		      __entry->why)

	    );



TRACE_EVENT(rxrpc_connect_call,

	    TP_PROTO(struct rxrpc_call *call),



	    TP_ARGS(call),



	    TP_STRUCT__entry(

		    __field(struct rxrpc_call *,	call		)

		    __field(unsigned long,		user_call_ID	)

		    __field(u32,			cid		)

		    __field(u32,			call_id		)

			     ),



	    TP_fast_assign(

		    __entry->call = call;

		    __entry->user_call_ID = call->user_call_ID;

		    __entry->cid = call->cid;

		    __entry->call_id = call->call_id;

			   ),



	    TP_printk("c=%p u=%p %08x:%08x",

		      __entry->call,

		      (void *)__entry->user_call_ID,

		      __entry->cid,

		      __entry->call_id)

	    );



#endif /* _TRACE_RXRPC_H */



/* This part must be outside protection */

net/rxrpc/conn_client.c

+1 −0
Original line number Diff line number Diff line
@@ -550,6 +550,7 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn, 
	call->cid	= conn->proto.cid | channel;

	call->call_id	= call_id;



	trace_rxrpc_connect_call(call);

	_net("CONNECT call %08x:%08x as call %d on conn %d",

	     call->cid, call->call_id, call->debug_id, conn->debug_id);