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Commit 33b0c229 authored by Steven Rostedt's avatar Steven Rostedt
Browse files

tracing: move print of event format to separate file 



Impact: clean up

Move the macro that creates the event format file to a separate header.
This will allow the default ftrace events to use this same macro
to create the formats to read those events.

Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
parent 5e2336a0

kernel/trace/trace_events_stage_2.h

+1 −52
Original line number Diff line number Diff line
@@ -75,56 +75,5 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \ 


#include <trace/trace_event_types.h>



/*

 * Setup the showing format of trace point.

 *

 * int

 * ftrace_format_##call(struct trace_seq *s)

 * {

 * 	struct ftrace_raw_##call field;

 * 	int ret;

 *

 * 	ret = trace_seq_printf(s, #type " " #item ";"

 * 			       " size:%d; offset:%d;\n",

 * 			       sizeof(field.type),

 * 			       offsetof(struct ftrace_raw_##call,

 * 					item));

 *

 * }

 */



#undef TRACE_FIELD

#define TRACE_FIELD(type, item, assign)					\

	ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t"	\

			       "offset:%lu;\tsize:%lu;\n",		\

			       offsetof(typeof(field), item),		\

			       sizeof(field.item));			\

	if (!ret)							\

		return 0;





#undef TRACE_FIELD_SPECIAL

#define TRACE_FIELD_SPECIAL(type_item, item, cmd)			\

	ret = trace_seq_printf(s, "\tfield special:" #type_item ";\t"	\

			       "offset:%lu;\tsize:%lu;\n",		\

			       offsetof(typeof(field), item),		\

			       sizeof(field.item));			\

	if (!ret)							\

		return 0;



#undef TRACE_EVENT_FORMAT

#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt)	\

int									\

ftrace_format_##call(struct trace_seq *s)				\

{									\

	struct ftrace_raw_##call field;					\

	int ret;							\

									\

	tstruct;							\

									\

	trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt);		\

									\

	return ret;							\

}



#include "trace_format.h"

#include <trace/trace_event_types.h>

kernel/trace/trace_format.h

0 → 100644
+55 −0
Original line number Diff line number Diff line 
/*

 * Setup the showing format of trace point.

 *

 * int

 * ftrace_format_##call(struct trace_seq *s)

 * {

 *	struct ftrace_raw_##call field;

 *	int ret;

 *

 *	ret = trace_seq_printf(s, #type " " #item ";"

 *			       " size:%d; offset:%d;\n",

 *			       sizeof(field.type),

 *			       offsetof(struct ftrace_raw_##call,

 *					item));

 *

 * }

 */



#undef TRACE_STRUCT

#define TRACE_STRUCT(args...) args



#undef TRACE_FIELD

#define TRACE_FIELD(type, item, assign)					\

	ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t"	\

			       "offset:%lu;\tsize:%lu;\n",		\

			       offsetof(typeof(field), item),		\

			       sizeof(field.item));			\

	if (!ret)							\

		return 0;





#undef TRACE_FIELD_SPECIAL

#define TRACE_FIELD_SPECIAL(type_item, item, cmd)			\

	ret = trace_seq_printf(s, "\tfield special:" #type_item ";\t"	\

			       "offset:%lu;\tsize:%lu;\n",		\

			       offsetof(typeof(field), item),		\

			       sizeof(field.item));			\

	if (!ret)							\

		return 0;



#undef TRACE_EVENT_FORMAT

#define TRACE_EVENT_FORMAT(call, proto, args, fmt, tstruct, tpfmt)	\

int									\

ftrace_format_##call(struct trace_seq *s)				\

{									\

	struct ftrace_raw_##call field;					\

	int ret;							\

									\

	tstruct;							\

									\

	trace_seq_printf(s, "\nprint fmt: \"%s\"\n", tpfmt);		\

									\

	return ret;							\

}