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greybus: tracepoints: add tracepoint definitions

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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: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Bryan O'Donoghue 2015-09-18 16:38:44 +01:00 committed by Greg Kroah-Hartman
parent 2e49b15763
commit bb03ed9201
1 changed files with 120 additions and 0 deletions
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120
drivers/staging/greybus/greybus_trace.h Normal file
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/*
* 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>