include/trace/trace_events.h

8  * struct trace_event_raw_<call> {
101  * struct trace_event_data_offsets_<call> {
115 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
116 	struct trace_event_data_offsets_##call {			\
141  * trace_raw_output_<call>(struct trace_iterator *iter, int flags)
144  *	struct trace_event_raw_<call> *field; <-- defined in stage 1
153  *	if (entry->type != event_<call>->event.type) {
161  *	return trace_output_call(iter, <call>, <TP_printk> "\n");
187 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
189 trace_raw_output_##call(struct trace_iterator *iter, int flags,		\
194 	struct trace_event_raw_##call *field;				\
207 static struct trace_event_functions trace_event_type_funcs_##call = {	\
208 	.trace			= trace_raw_output_##call,		\
212 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
214 trace_raw_output_##call(struct trace_iterator *iter, int flags,		\
223 	if (entry->type != event_##call.event.type) {			\
231 	return trace_output_call(iter, #call, print);			\
233 static struct trace_event_functions trace_event_type_funcs_##call = {	\
234 	.trace			= trace_raw_output_##call,		\
242 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, func, print)	\
243 static struct trace_event_fields trace_event_fields_##call[] = {	\
255 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
256 static inline notrace int trace_event_get_offsets_##call(		\
257 	struct trace_event_data_offsets_##call *__data_offsets, proto)	\
261 	struct trace_event_raw_##call __maybe_unused *entry;		\
278  * static struct trace_event_call event_<call>;
280  * static void trace_event_raw_event_<call>(void *__data, proto)
284  *	struct trace_event_data_offsets_<call> __maybe_unused __data_offsets;
288  *	struct trace_event_raw_<call> *entry; <-- defined in stage 1
304  *	__data_size = trace_event_get_offsets_<call>(&__data_offsets, args);
307  *				  event_<call>->event.type,
330  * static struct trace_event ftrace_event_type_<call> = {
331  *	.trace			= trace_raw_output_<call>, <-- stage 2
334  * static char print_fmt_<call>[] = <TP_printk>;
338  *	.fields_array		= trace_event_fields_<call>,
339  *	.fields			= LIST_HEAD_INIT(event_class_##call.fields),
341  *	.probe			= trace_event_raw_event_##call,
345  * static struct trace_event_call event_<call> = {
348  *		.tp			= &__tracepoint_<call>,
350  *	.event			= &ftrace_event_type_<call>,
351  *	.print_fmt		= print_fmt_<call>,
357  * __section("_ftrace_events") *__event_<call> = &event_<call>;
363 #define _TRACE_PERF_PROTO(call, proto)					\
365 	perf_trace_##call(void *__data, proto);
367 #define _TRACE_PERF_INIT(call)						\
368 	.perf_probe		= perf_trace_##call,
371 #define _TRACE_PERF_PROTO(call, proto)
372 #define _TRACE_PERF_INIT(call)
378 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
381 trace_event_raw_event_##call(void *__data, proto)			\
384 	struct trace_event_data_offsets_##call __maybe_unused __data_offsets;\
386 	struct trace_event_raw_##call *entry;				\
392 	__data_size = trace_event_get_offsets_##call(&__data_offsets, args); \
413 #define DEFINE_EVENT(template, call, proto, args)			\
414 static inline void ftrace_test_probe_##call(void)			\
416 	check_trace_callback_type_##call(trace_event_raw_event_##template); \
424 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
425 _TRACE_PERF_PROTO(call, PARAMS(proto));					\
426 static char print_fmt_##call[] = print;					\
427 static struct trace_event_class __used __refdata event_class_##call = { \
429 	.fields_array		= trace_event_fields_##call,		\
430 	.fields			= LIST_HEAD_INIT(event_class_##call.fields),\
432 	.probe			= trace_event_raw_event_##call,		\
434 	_TRACE_PERF_INIT(call)						\
438 #define DEFINE_EVENT(template, call, proto, args)			\
440 static struct trace_event_call __used event_##call = {			\
443 		.tp			= &__tracepoint_##call,		\
450 __section("_ftrace_events") *__event_##call = &event_##call
453 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
455 static char print_fmt_##call[] = print;					\
457 static struct trace_event_call __used event_##call = {			\
460 		.tp			= &__tracepoint_##call,		\
462 	.event.funcs		= &trace_event_type_funcs_##call,	\
463 	.print_fmt		= print_fmt_##call,			\
467 __section("_ftrace_events") *__event_##call = &event_##call