Steven Rostedt (Red Hat)tracing: Move non perf code out of perf.h46ac51811 years agoHistory
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 #undef TRACE_SYSTEM_VAR #ifdef CONFIG_PERF_EVENTS #undef __entry#define __entry entry #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) (char *)__get_dynamic_array(field) #undef __perf_addr#define __perf_addr(a)	(__addr = (a)) #undef __perf_count#define __perf_count(c)	(__count = (c)) #undef __perf_task#define __perf_task(t)	(__task = (t)) #undef DECLARE_EVENT_CLASS#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\static notrace void							\perf_trace_##call(void *__data, proto)					\{									\	struct trace_event_call *event_call = __data;			\	struct trace_event_data_offsets_##call __maybe_unused __data_offsets;\	struct trace_event_raw_##call *entry;				\	struct pt_regs *__regs;						\	u64 __addr = 0, __count = 1;					\	struct task_struct *__task = NULL;				\	struct hlist_head *head;					\	int __entry_size;						\	int __data_size;						\	int rctx;							\									\	__data_size = trace_event_get_offsets_##call(&__data_offsets, args); \									\	head = this_cpu_ptr(event_call->perf_events);			\	if (__builtin_constant_p(!__task) && !__task &&			\				hlist_empty(head))			\		return;							\									\	__entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32),\			     sizeof(u64));				\	__entry_size -= sizeof(u32);					\									\	entry = perf_trace_buf_prepare(__entry_size,			\			event_call->event.type, &__regs, &rctx);	\	if (!entry)							\		return;							\									\	perf_fetch_caller_regs(__regs);					\									\	tstruct								\									\	{ assign; }							\									\	perf_trace_buf_submit(entry, __entry_size, rctx, __addr,	\		__count, __regs, head, __task);				\} /* * This part is compiled out, it is only here as a build time check * to make sure that if the tracepoint handling changes, the * perf probe will fail to compile unless it too is updated. */#undef DEFINE_EVENT#define DEFINE_EVENT(template, call, proto, args)			\static inline void perf_test_probe_##call(void)				\{									\	check_trace_callback_type_##call(perf_trace_##template);	\}  #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)#endif /* CONFIG_PERF_EVENTS */