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Commit 1bae5d22 authored by David Howells's avatar David Howells
Browse files

rxrpc: Trace call completion 



Add a tracepoint to track rxrpc calls moving into the completed state and
to log the completion type and the recorded error value and abort code.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent a25e21f0

include/trace/events/rxrpc.h

+33 −0
Original line number Diff line number Diff line
@@ -400,6 +400,13 @@ enum rxrpc_congest_change { 
	EM(RXRPC_ACK_IDLE,			"IDL") \

	E_(RXRPC_ACK__INVALID,			"-?-")



#define rxrpc_completions \

	EM(RXRPC_CALL_SUCCEEDED,		"Succeeded") \

	EM(RXRPC_CALL_REMOTELY_ABORTED,		"RemoteAbort") \

	EM(RXRPC_CALL_LOCALLY_ABORTED,		"LocalAbort") \

	EM(RXRPC_CALL_LOCAL_ERROR,		"LocalError") \

	E_(RXRPC_CALL_NETWORK_ERROR,		"NetError")



/*

 * Export enum symbols via userspace.

 */
@@ -624,6 +631,32 @@ TRACE_EVENT(rxrpc_abort, 
		      __entry->abort_code, __entry->error, __entry->why)

	    );



TRACE_EVENT(rxrpc_call_complete,

	    TP_PROTO(struct rxrpc_call *call),



	    TP_ARGS(call),



	    TP_STRUCT__entry(

		    __field(unsigned int,		call		)

		    __field(enum rxrpc_call_completion,	compl		)

		    __field(int,			error		)

		    __field(u32,			abort_code	)

			     ),



	    TP_fast_assign(

		    __entry->call = call->debug_id;

		    __entry->compl = call->completion;

		    __entry->error = call->error;

		    __entry->abort_code = call->abort_code;

			   ),



	    TP_printk("c=%08x %s r=%d ac=%d",

		      __entry->call,

		      __print_symbolic(__entry->compl, rxrpc_completions),

		      __entry->error,

		      __entry->abort_code)

	    );



TRACE_EVENT(rxrpc_transmit,

	    TP_PROTO(struct rxrpc_call *call, enum rxrpc_transmit_trace why),

net/rxrpc/ar-internal.h

+1 −0
Original line number Diff line number Diff line
@@ -778,6 +778,7 @@ static inline bool __rxrpc_set_call_completion(struct rxrpc_call *call, 
		call->error = error;

		call->completion = compl,

		call->state = RXRPC_CALL_COMPLETE;

		trace_rxrpc_call_complete(call);

		wake_up(&call->waitq);

		return true;

	}