Commit bb03ed92 authored by Bryan O'Donoghue's avatar Bryan O'Donoghue Committed by Greg Kroah-Hartman
Browse files

greybus: tracepoints: add tracepoint definitions 



This patch adds greybus_trace.h with the following trace definitions

- trace_gb_message_send
- trace_gb_message_recv_request
- trace_gb_message_recv_response
- trace_gb_message_cancel_incoming
- trace_gb_message_cancel_outgoing

Signed-off-by: default avatarBryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 2e49b157

drivers/staging/greybus/greybus_trace.h

0 → 100644
+120 −0
Original line number Diff line number Diff line 
/*

 * Greybus driver and device API

 *

 * Copyright 2015 Google Inc.

 * Copyright 2015 Linaro Ltd.

 *

 * Released under the GPLv2 only.

 */

#undef TRACE_SYSTEM

#define TRACE_SYSTEM greybus



#if !defined(_TRACE_GREYBUS_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_GREYBUS_H



#include <linux/tracepoint.h>



struct gb_message;



DECLARE_EVENT_CLASS(gb_message,



	TP_PROTO(struct gb_message *message),



	TP_ARGS(message),



	TP_STRUCT__entry(

		__string(name, dev_name(&message->operation->connection->dev))

		__field(u16, op_id)

		__field(u16, intf_cport_id)

		__field(u16, hd_cport_id)

		__field(size_t, payload_size)

	),



	TP_fast_assign(

		__assign_str(name, dev_name(&message->operation->connection->dev))

		__entry->op_id = message->operation->id;

		__entry->intf_cport_id =

			message->operation->connection->intf_cport_id;

		__entry->hd_cport_id =

			message->operation->connection->hd_cport_id;

		__entry->payload_size = message->payload_size;

	),



	TP_printk("greybus:%s op=%04x if_id=%04x hd_id=%04x l=%zu",

		  __get_str(name), __entry->op_id, __entry->intf_cport_id,

		  __entry->hd_cport_id, __entry->payload_size)

);



/*

 * tracepoint name	greybus:gb_message_send

 * description		send a greybus message

 * location		operation.c:gb_message_send

 */

DEFINE_EVENT(gb_message, gb_message_send,



	TP_PROTO(struct gb_message *message),



	TP_ARGS(message)

);



/*

 * tracepoint name	greybus:gb_message_recv_request

 * description		receive a greybus request

 * location		operation.c:gb_connection_recv_request

 */

DEFINE_EVENT(gb_message, gb_message_recv_request,



	TP_PROTO(struct gb_message *message),



	TP_ARGS(message)

);



/*

 * tracepoint name	greybus:gb_message_recv_response

 * description		receive a greybus response

 * location		operation.c:gb_connection_recv_response

 */

DEFINE_EVENT(gb_message, gb_message_recv_response,



	TP_PROTO(struct gb_message *message),



	TP_ARGS(message)

);



/*

 * tracepoint name	greybus:gb_message_cancel_outgoing

 * description		cancel outgoing greybus request

 * location		operation.c:gb_message_cancel

 */

DEFINE_EVENT(gb_message, gb_message_cancel_outgoing,



	TP_PROTO(struct gb_message *message),



	TP_ARGS(message)

);



/*

 * tracepoint name	greybus:gb_message_cancel_incoming

 * description		cancel incoming greybus request

 * location		operation.c:gb_message_cancel_incoming

 */

DEFINE_EVENT(gb_message, gb_message_cancel_incoming,



	TP_PROTO(struct gb_message *message),



	TP_ARGS(message)

);



#endif /* _TRACE_GREYBUS_H */



/* This part must be outside protection */

#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .



/*

 * TRACE_INCLUDE_FILE is not needed if the filename and TRACE_SYSTEM are equal

 */

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_FILE greybus_trace

#include <trace/define_trace.h>