/* SPDX-License-Identifier: GPL-2.0 */

  /*

   * Stage 1 of the trace events.
   *
   * Override the macros in <trace/trace_events.h> to include the following:
   *

   * struct trace_event_raw_<call> {

   *	struct trace_entry		ent;
   *	<type>				<item>;
   *	<type2>				<item2>[<len>];
   *	[...]
   * };
   *
   * The <type> <item> is created by the __field(type, item) macro or
   * the __array(type2, item2, len) macro.
   * We simply do "type item;", and that will create the fields
   * in the structure.
   */

  #include <linux/trace_events.h>

  #ifndef TRACE_SYSTEM_VAR
  #define TRACE_SYSTEM_VAR TRACE_SYSTEM
  #endif
  
  #define __app__(x, y) str__##x##y
  #define __app(x, y) __app__(x, y)
  
  #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
  
  #define TRACE_MAKE_SYSTEM_STR()				\
  	static const char TRACE_SYSTEM_STRING[] =	\
  		__stringify(TRACE_SYSTEM)
  
  TRACE_MAKE_SYSTEM_STR();

  #undef TRACE_DEFINE_ENUM
  #define TRACE_DEFINE_ENUM(a)				\

  	static struct trace_eval_map __used __initdata	\

  	__##TRACE_SYSTEM##_##a =			\
  	{						\
  		.system = TRACE_SYSTEM_STRING,		\

  		.eval_string = #a,			\
  		.eval_value = a				\

  	};						\

  	static struct trace_eval_map __used		\

  	__attribute__((section("_ftrace_eval_map")))	\

  	*TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a

  #undef TRACE_DEFINE_SIZEOF
  #define TRACE_DEFINE_SIZEOF(a)				\
  	static struct trace_eval_map __used __initdata	\
  	__##TRACE_SYSTEM##_##a =			\
  	{						\
  		.system = TRACE_SYSTEM_STRING,		\
  		.eval_string = "sizeof(" #a ")",	\
  		.eval_value = sizeof(a)			\
  	};						\
  	static struct trace_eval_map __used		\
  	__attribute__((section("_ftrace_eval_map")))	\
  	*TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a

  /*

   * DECLARE_EVENT_CLASS can be used to add a generic function

   * handlers for events. That is, if all events have the same
   * parameters and just have distinct trace points.
   * Each tracepoint can be defined with DEFINE_EVENT and that

   * will map the DECLARE_EVENT_CLASS to the tracepoint.

   *
   * TRACE_EVENT is a one to one mapping between tracepoint and template.
   */
  #undef TRACE_EVENT
  #define TRACE_EVENT(name, proto, args, tstruct, assign, print) \

  	DECLARE_EVENT_CLASS(name,			       \

  			     PARAMS(proto),		       \
  			     PARAMS(args),		       \
  			     PARAMS(tstruct),		       \
  			     PARAMS(assign),		       \
  			     PARAMS(print));		       \
  	DEFINE_EVENT(name, name, PARAMS(proto), PARAMS(args));

  #undef __field
  #define __field(type, item)		type	item;

  #undef __field_ext
  #define __field_ext(type, item, filter_type)	type	item;

  #undef __field_struct
  #define __field_struct(type, item)	type	item;
  
  #undef __field_struct_ext
  #define __field_struct_ext(type, item, filter_type)	type	item;

  #undef __array
  #define __array(type, item, len)	type	item[len];

  #undef __dynamic_array

  #define __dynamic_array(type, item, len) u32 __data_loc_##item;

  #undef __string

  #define __string(item, src) __dynamic_array(char, item, -1)

  #undef __bitmask
  #define __bitmask(item, nr_bits) __dynamic_array(char, item, -1)

  #undef TP_STRUCT__entry
  #define TP_STRUCT__entry(args...) args

  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print)	\

  	struct trace_event_raw_##name {					\

  		struct trace_entry	ent;				\
  		tstruct							\
  		char			__data[0];			\

  	};								\
  									\

  	static struct trace_event_class event_class_##name;

  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, name, proto, args)	\

  	static struct trace_event_call	__used		\

  	__attribute__((__aligned__(4))) event_##name

  #undef DEFINE_EVENT_FN
  #define DEFINE_EVENT_FN(template, name, proto, args, reg, unreg)	\
  	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))

  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
  	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))

  /* Callbacks are meaningless to ftrace. */
  #undef TRACE_EVENT_FN

  #define TRACE_EVENT_FN(name, proto, args, tstruct,			\
  		assign, print, reg, unreg)				\

  	TRACE_EVENT(name, PARAMS(proto), PARAMS(args),			\
  		PARAMS(tstruct), PARAMS(assign), PARAMS(print))		\

  
  #undef TRACE_EVENT_FN_COND
  #define TRACE_EVENT_FN_COND(name, proto, args, cond, tstruct,	\
  		assign, print, reg, unreg)				\
  	TRACE_EVENT_CONDITION(name, PARAMS(proto), PARAMS(args), PARAMS(cond),		\
  		PARAMS(tstruct), PARAMS(assign), PARAMS(print))		\

  #undef TRACE_EVENT_FLAGS
  #define TRACE_EVENT_FLAGS(name, value)					\

  	__TRACE_EVENT_FLAGS(name, value)

  #undef TRACE_EVENT_PERF_PERM
  #define TRACE_EVENT_PERF_PERM(name, expr...)				\
  	__TRACE_EVENT_PERF_PERM(name, expr)

  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
  
  /*
   * Stage 2 of the trace events.
   *

   * Include the following:
   *

   * struct trace_event_data_offsets_<call> {

   *	u32				<item1>;
   *	u32				<item2>;

   *	[...]
   * };
   *

   * The __dynamic_array() macro will create each u32 <item>, this is

   * to keep the offset of each array from the beginning of the event.

   * The size of an array is also encoded, in the higher 16 bits of <item>.

   */

  #undef TRACE_DEFINE_ENUM
  #define TRACE_DEFINE_ENUM(a)

  #undef TRACE_DEFINE_SIZEOF
  #define TRACE_DEFINE_SIZEOF(a)

  #undef __field

  #define __field(type, item)
  
  #undef __field_ext
  #define __field_ext(type, item, filter_type)

  #undef __field_struct
  #define __field_struct(type, item)
  
  #undef __field_struct_ext
  #define __field_struct_ext(type, item, filter_type)

  #undef __array
  #define __array(type, item, len)

  #undef __dynamic_array

  #define __dynamic_array(type, item, len)	u32 item;

  
  #undef __string

  #define __string(item, src) __dynamic_array(char, item, -1)

  #undef __bitmask
  #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)

  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\

  	struct trace_event_data_offsets_##call {			\

  		tstruct;						\
  	};

  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, name, proto, args)

  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
  	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))

  #undef TRACE_EVENT_FLAGS
  #define TRACE_EVENT_FLAGS(event, flag)

  #undef TRACE_EVENT_PERF_PERM
  #define TRACE_EVENT_PERF_PERM(event, expr...)

  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
  
  /*
   * Stage 3 of the trace events.
   *

   * Override the macros in <trace/trace_events.h> to include the following:
   *
   * enum print_line_t

   * trace_raw_output_<call>(struct trace_iterator *iter, int flags)

   * {
   *	struct trace_seq *s = &iter->seq;

   *	struct trace_event_raw_<call> *field; <-- defined in stage 1

   *	struct trace_entry *entry;

   *	struct trace_seq *p = &iter->tmp_seq;

   *	int ret;
   *
   *	entry = iter->ent;
   *

   *	if (entry->type != event_<call>->event.type) {

   *		WARN_ON_ONCE(1);
   *		return TRACE_TYPE_UNHANDLED;
   *	}
   *
   *	field = (typeof(field))entry;
   *

   *	trace_seq_init(p);

   *	ret = trace_seq_printf(s, "%s: ", <call>);
   *	if (ret)
   *		ret = trace_seq_printf(s, <TP_printk> "
  ");

   *	if (!ret)
   *		return TRACE_TYPE_PARTIAL_LINE;
   *
   *	return TRACE_TYPE_HANDLED;
   * }
   *
   * This is the method used to print the raw event to the trace
   * output format. Note, this is not needed if the data is read
   * in binary.
   */
  
  #undef __entry
  #define __entry field
  
  #undef TP_printk
  #define TP_printk(fmt, args...) fmt "
  ", args

  #undef __get_dynamic_array
  #define __get_dynamic_array(field)	\

  		((void *)__entry + (__entry->__data_loc_##field & 0xffff))

  #undef __get_dynamic_array_len
  #define __get_dynamic_array_len(field)	\
  		((__entry->__data_loc_##field >> 16) & 0xffff)

  #undef __get_str

  #define __get_str(field) ((char *)__get_dynamic_array(field))

  #undef __get_bitmask
  #define __get_bitmask(field)						\
  	({								\
  		void *__bitmask = __get_dynamic_array(field);		\
  		unsigned int __bitmask_size;				\

  		__bitmask_size = __get_dynamic_array_len(field);	\

  		trace_print_bitmask_seq(p, __bitmask, __bitmask_size);	\

  	})

  #undef __print_flags
  #define __print_flags(flag, delim, flag_array...)			\
  	({								\

  		static const struct trace_print_flags __flags[] =	\

  			{ flag_array, { -1, NULL }};			\

  		trace_print_flags_seq(p, delim, flag, __flags);	\

  	})

  #undef __print_symbolic
  #define __print_symbolic(value, symbol_array...)			\
  	({								\
  		static const struct trace_print_flags symbols[] =	\
  			{ symbol_array, { -1, NULL }};			\

  		trace_print_symbols_seq(p, value, symbols);		\

  	})

  #undef __print_flags_u64

  #undef __print_symbolic_u64
  #if BITS_PER_LONG == 32

  #define __print_flags_u64(flag, delim, flag_array...)			\
  	({								\
  		static const struct trace_print_flags_u64 __flags[] =	\
  			{ flag_array, { -1, NULL } };			\
  		trace_print_flags_seq_u64(p, delim, flag, __flags);	\
  	})

  #define __print_symbolic_u64(value, symbol_array...)			\
  	({								\
  		static const struct trace_print_flags_u64 symbols[] =	\
  			{ symbol_array, { -1, NULL } };			\

  		trace_print_symbols_seq_u64(p, value, symbols);	\

  	})
  #else

  #define __print_flags_u64(flag, delim, flag_array...)			\
  			__print_flags(flag, delim, flag_array)

  #define __print_symbolic_u64(value, symbol_array...)			\
  			__print_symbolic(value, symbol_array)
  #endif

  #undef __print_hex

  #define __print_hex(buf, buf_len)					\

  	trace_print_hex_seq(p, buf, buf_len, false)

  
  #undef __print_hex_str
  #define __print_hex_str(buf, buf_len)					\

  	trace_print_hex_seq(p, buf, buf_len, true)

  #undef __print_array
  #define __print_array(array, count, el_size)				\
  	({								\
  		BUILD_BUG_ON(el_size != 1 && el_size != 2 &&		\
  			     el_size != 4 && el_size != 8);		\

  		trace_print_array_seq(p, array, count, el_size);	\

  	})

  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\

  static notrace enum print_line_t					\

  trace_raw_output_##call(struct trace_iterator *iter, int flags,		\
  			struct trace_event *trace_event)		\

  {									\
  	struct trace_seq *s = &iter->seq;				\

  	struct trace_seq __maybe_unused *p = &iter->tmp_seq;		\

  	struct trace_event_raw_##call *field;				\

  	int ret;							\
  									\

  	field = (typeof(field))iter->ent;				\

  									\

  	ret = trace_raw_output_prep(iter, trace_event);			\

  	if (ret != TRACE_TYPE_HANDLED)					\

  		return ret;						\
  									\

  	trace_seq_printf(s, print);					\

  									\

  	return trace_handle_return(s);					\

  }									\

  static struct trace_event_functions trace_event_type_funcs_##call = {	\

  	.trace			= trace_raw_output_##call,		\

  };

  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\

  static notrace enum print_line_t					\

  trace_raw_output_##call(struct trace_iterator *iter, int flags,		\

  			 struct trace_event *event)			\

  {									\

  	struct trace_event_raw_##template *field;			\

  	struct trace_entry *entry;					\

  	struct trace_seq *p = &iter->tmp_seq;				\

  									\
  	entry = iter->ent;						\
  									\

  	if (entry->type != event_##call.event.type) {			\

  		WARN_ON_ONCE(1);					\
  		return TRACE_TYPE_UNHANDLED;				\
  	}								\
  									\
  	field = (typeof(field))entry;					\
  									\

  	trace_seq_init(p);						\

  	return trace_output_call(iter, #call, print);			\

  }									\

  static struct trace_event_functions trace_event_type_funcs_##call = {	\

  	.trace			= trace_raw_output_##call,		\

  };

  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)

  #undef __field_ext
  #define __field_ext(type, item, filter_type)				\

  	ret = trace_define_field(event_call, #type, #item,		\
  				 offsetof(typeof(field), item),		\

  				 sizeof(field.item),			\
  				 is_signed_type(type), filter_type);	\

  	if (ret)							\
  		return ret;

  #undef __field_struct_ext
  #define __field_struct_ext(type, item, filter_type)			\
  	ret = trace_define_field(event_call, #type, #item,		\
  				 offsetof(typeof(field), item),		\
  				 sizeof(field.item),			\
  				 0, filter_type);			\
  	if (ret)							\
  		return ret;

  #undef __field
  #define __field(type, item)	__field_ext(type, item, FILTER_OTHER)

  #undef __field_struct
  #define __field_struct(type, item) __field_struct_ext(type, item, FILTER_OTHER)

  #undef __array
  #define __array(type, item, len)					\

  	do {								\

  		char *type_str = #type"["__stringify(len)"]";		\

  		BUILD_BUG_ON(len > MAX_FILTER_STR_VAL);			\

  		BUILD_BUG_ON(len <= 0);					\

  		ret = trace_define_field(event_call, type_str, #item,	\

  				 offsetof(typeof(field), item),		\

  				 sizeof(field.item),			\
  				 is_signed_type(type), FILTER_OTHER);	\

  		if (ret)						\
  			return ret;					\
  	} while (0);

  #undef __dynamic_array
  #define __dynamic_array(type, item, len)				       \

  	ret = trace_define_field(event_call, "__data_loc " #type "[]", #item,  \

  				 offsetof(typeof(field), __data_loc_##item),   \

  				 sizeof(field.__data_loc_##item),	       \
  				 is_signed_type(type), FILTER_OTHER);

  #undef __string

  #define __string(item, src) __dynamic_array(char, item, -1)

  #undef __bitmask
  #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)

  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print)	\

  static int notrace __init						\

  trace_event_define_fields_##call(struct trace_event_call *event_call)	\

  {									\

  	struct trace_event_raw_##call field;				\

  	int ret;							\
  									\

  	tstruct;							\
  									\
  	return ret;							\
  }

  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, name, proto, args)

  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
  	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))

  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
  
  /*

   * remember the offset of each array from the beginning of the event.
   */
  
  #undef __entry
  #define __entry entry
  
  #undef __field
  #define __field(type, item)

  #undef __field_ext
  #define __field_ext(type, item, filter_type)

  #undef __field_struct
  #define __field_struct(type, item)
  
  #undef __field_struct_ext
  #define __field_struct_ext(type, item, filter_type)

  #undef __array
  #define __array(type, item, len)
  
  #undef __dynamic_array
  #define __dynamic_array(type, item, len)				\

  	__item_length = (len) * sizeof(type);				\

  	__data_offsets->item = __data_size +				\
  			       offsetof(typeof(*entry), __data);	\

  	__data_offsets->item |= __item_length << 16;			\
  	__data_size += __item_length;

  
  #undef __string

  #define __string(item, src) __dynamic_array(char, item,			\
  		    strlen((src) ? (const char *)(src) : "(null)") + 1)

  /*
   * __bitmask_size_in_bytes_raw is the number of bytes needed to hold
   * num_possible_cpus().
   */
  #define __bitmask_size_in_bytes_raw(nr_bits)	\
  	(((nr_bits) + 7) / 8)
  
  #define __bitmask_size_in_longs(nr_bits)			\
  	((__bitmask_size_in_bytes_raw(nr_bits) +		\
  	  ((BITS_PER_LONG / 8) - 1)) / (BITS_PER_LONG / 8))
  
  /*
   * __bitmask_size_in_bytes is the number of bytes needed to hold
   * num_possible_cpus() padded out to the nearest long. This is what
   * is saved in the buffer, just to be consistent.
   */
  #define __bitmask_size_in_bytes(nr_bits)				\
  	(__bitmask_size_in_longs(nr_bits) * (BITS_PER_LONG / 8))
  
  #undef __bitmask
  #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item,	\
  					 __bitmask_size_in_longs(nr_bits))

  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\

  static inline notrace int trace_event_get_offsets_##call(		\

  	struct trace_event_data_offsets_##call *__data_offsets, proto)	\

  {									\
  	int __data_size = 0;						\

  	int __maybe_unused __item_length;				\

  	struct trace_event_raw_##call __maybe_unused *entry;		\

  									\
  	tstruct;							\
  									\
  	return __data_size;						\
  }

  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, name, proto, args)

  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
  	DEFINE_EVENT(template, name, PARAMS(proto), PARAMS(args))

  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)

  /*
   * Stage 4 of the trace events.
   *
   * Override the macros in <trace/trace_events.h> to include the following:
   *
   * For those macros defined with TRACE_EVENT:
   *
   * static struct trace_event_call event_<call>;
   *
   * static void trace_event_raw_event_<call>(void *__data, proto)
   * {
   *	struct trace_event_file *trace_file = __data;
   *	struct trace_event_call *event_call = trace_file->event_call;
   *	struct trace_event_data_offsets_<call> __maybe_unused __data_offsets;
   *	unsigned long eflags = trace_file->flags;
   *	enum event_trigger_type __tt = ETT_NONE;
   *	struct ring_buffer_event *event;
   *	struct trace_event_raw_<call> *entry; <-- defined in stage 1
   *	struct ring_buffer *buffer;
   *	unsigned long irq_flags;
   *	int __data_size;
   *	int pc;
   *
   *	if (!(eflags & EVENT_FILE_FL_TRIGGER_COND)) {
   *		if (eflags & EVENT_FILE_FL_TRIGGER_MODE)
   *			event_triggers_call(trace_file, NULL);
   *		if (eflags & EVENT_FILE_FL_SOFT_DISABLED)
   *			return;
   *	}
   *
   *	local_save_flags(irq_flags);
   *	pc = preempt_count();
   *
   *	__data_size = trace_event_get_offsets_<call>(&__data_offsets, args);
   *
   *	event = trace_event_buffer_lock_reserve(&buffer, trace_file,
   *				  event_<call>->event.type,
   *				  sizeof(*entry) + __data_size,
   *				  irq_flags, pc);
   *	if (!event)
   *		return;
   *	entry	= ring_buffer_event_data(event);
   *
   *	{ <assign>; }  <-- Here we assign the entries by the __field and
   *			   __array macros.
   *
   *	if (eflags & EVENT_FILE_FL_TRIGGER_COND)
   *		__tt = event_triggers_call(trace_file, entry);
   *
   *	if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT,
   *		     &trace_file->flags))
   *		ring_buffer_discard_commit(buffer, event);
   *	else if (!filter_check_discard(trace_file, entry, buffer, event))
   *		trace_buffer_unlock_commit(buffer, event, irq_flags, pc);
   *
   *	if (__tt)
   *		event_triggers_post_call(trace_file, __tt);
   * }
   *
   * static struct trace_event ftrace_event_type_<call> = {
   *	.trace			= trace_raw_output_<call>, <-- stage 2
   * };
   *
   * static char print_fmt_<call>[] = <TP_printk>;
   *
   * static struct trace_event_class __used event_class_<template> = {
   *	.system			= "<system>",
   *	.define_fields		= trace_event_define_fields_<call>,
   *	.fields			= LIST_HEAD_INIT(event_class_##call.fields),
   *	.raw_init		= trace_event_raw_init,
   *	.probe			= trace_event_raw_event_##call,
   *	.reg			= trace_event_reg,
   * };
   *
   * static struct trace_event_call event_<call> = {
   *	.class			= event_class_<template>,
   *	{
   *		.tp			= &__tracepoint_<call>,
   *	},
   *	.event			= &ftrace_event_type_<call>,
   *	.print_fmt		= print_fmt_<call>,
   *	.flags			= TRACE_EVENT_FL_TRACEPOINT,
   * };
   * // its only safe to use pointers when doing linker tricks to
   * // create an array.
   * static struct trace_event_call __used
   * __attribute__((section("_ftrace_events"))) *__event_<call> = &event_<call>;
   *
   */
  
  #ifdef CONFIG_PERF_EVENTS
  
  #define _TRACE_PERF_PROTO(call, proto)					\
  	static notrace void						\
  	perf_trace_##call(void *__data, proto);
  
  #define _TRACE_PERF_INIT(call)						\
  	.perf_probe		= perf_trace_##call,
  
  #else
  #define _TRACE_PERF_PROTO(call, proto)
  #define _TRACE_PERF_INIT(call)
  #endif /* CONFIG_PERF_EVENTS */
  
  #undef __entry
  #define __entry entry
  
  #undef __field
  #define __field(type, item)
  
  #undef __field_struct
  #define __field_struct(type, item)
  
  #undef __array
  #define __array(type, item, len)
  
  #undef __dynamic_array
  #define __dynamic_array(type, item, len)				\
  	__entry->__data_loc_##item = __data_offsets.item;
  
  #undef __string
  #define __string(item, src) __dynamic_array(char, item, -1)
  
  #undef __assign_str
  #define __assign_str(dst, src)						\
  	strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)");
  
  #undef __bitmask
  #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
  
  #undef __get_bitmask
  #define __get_bitmask(field) (char *)__get_dynamic_array(field)
  
  #undef __assign_bitmask
  #define __assign_bitmask(dst, src, nr_bits)					\
  	memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
  
  #undef TP_fast_assign
  #define TP_fast_assign(args...) args

  #undef __perf_count
  #define __perf_count(c)	(c)
  
  #undef __perf_task
  #define __perf_task(t)	(t)
  
  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
  									\
  static notrace void							\
  trace_event_raw_event_##call(void *__data, proto)			\
  {									\
  	struct trace_event_file *trace_file = __data;			\
  	struct trace_event_data_offsets_##call __maybe_unused __data_offsets;\
  	struct trace_event_buffer fbuffer;				\
  	struct trace_event_raw_##call *entry;				\
  	int __data_size;						\
  									\
  	if (trace_trigger_soft_disabled(trace_file))			\
  		return;							\
  									\
  	__data_size = trace_event_get_offsets_##call(&__data_offsets, args); \
  									\
  	entry = trace_event_buffer_reserve(&fbuffer, trace_file,	\
  				 sizeof(*entry) + __data_size);		\
  									\
  	if (!entry)							\
  		return;							\
  									\
  	tstruct								\
  									\
  	{ assign; }							\
  									\
  	trace_event_buffer_commit(&fbuffer);				\
  }
  /*
   * The ftrace_test_probe is compiled out, it is only here as a build time check
   * to make sure that if the tracepoint handling changes, the ftrace probe will
   * fail to compile unless it too is updated.
   */
  
  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, call, proto, args)			\
  static inline void ftrace_test_probe_##call(void)			\
  {									\
  	check_trace_callback_type_##call(trace_event_raw_event_##template); \
  }
  
  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)
  
  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
  
  #undef __entry
  #define __entry REC
  
  #undef __print_flags
  #undef __print_symbolic
  #undef __print_hex

  #undef __print_hex_str

  #undef __get_dynamic_array
  #undef __get_dynamic_array_len
  #undef __get_str
  #undef __get_bitmask
  #undef __print_array
  
  #undef TP_printk
  #define TP_printk(fmt, args...) "\"" fmt "\", "  __stringify(args)
  
  #undef DECLARE_EVENT_CLASS
  #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
  _TRACE_PERF_PROTO(call, PARAMS(proto));					\
  static char print_fmt_##call[] = print;					\
  static struct trace_event_class __used __refdata event_class_##call = { \
  	.system			= TRACE_SYSTEM_STRING,			\
  	.define_fields		= trace_event_define_fields_##call,	\
  	.fields			= LIST_HEAD_INIT(event_class_##call.fields),\
  	.raw_init		= trace_event_raw_init,			\
  	.probe			= trace_event_raw_event_##call,		\
  	.reg			= trace_event_reg,			\
  	_TRACE_PERF_INIT(call)						\
  };
  
  #undef DEFINE_EVENT
  #define DEFINE_EVENT(template, call, proto, args)			\
  									\
  static struct trace_event_call __used event_##call = {			\
  	.class			= &event_class_##template,		\
  	{								\
  		.tp			= &__tracepoint_##call,		\
  	},								\
  	.event.funcs		= &trace_event_type_funcs_##template,	\
  	.print_fmt		= print_fmt_##template,			\
  	.flags			= TRACE_EVENT_FL_TRACEPOINT,		\
  };									\
  static struct trace_event_call __used					\
  __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
  
  #undef DEFINE_EVENT_PRINT
  #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
  									\
  static char print_fmt_##call[] = print;					\
  									\
  static struct trace_event_call __used event_##call = {			\
  	.class			= &event_class_##template,		\
  	{								\
  		.tp			= &__tracepoint_##call,		\
  	},								\
  	.event.funcs		= &trace_event_type_funcs_##call,	\
  	.print_fmt		= print_fmt_##call,			\
  	.flags			= TRACE_EVENT_FL_TRACEPOINT,		\
  };									\
  static struct trace_event_call __used					\
  __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call
  
  #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)