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#ifndef _LINUX_TRACEPOINT_H
#include <linux/tracepoint.h>
#else
#ifndef _TRACEPOINT_DEFINE
#define _TRACEPOINT_DEFINE
#ifdef CONFIG_TRACEPOINTS
/*
* Make sure the alignment of the structure in the __tracepoints section will
* not add unwanted padding between the beginning of the section and the
* structure. Force alignment to the same alignment as the section start.
*/
#undef TP_PROTO
#define TP_PROTO(args...) args
#undef TP_ARGS
#define TP_ARGS(args...) args
#undef PARAMS
#define PARAMS(args...) args
#undef DECLARE_TRACE
#define DECLARE_TRACE(name, proto, args) \
extern struct tracepoint __tracepoint_##name; \
static inline void trace_##name(proto) \
{ \
if (unlikely(__tracepoint_##name.state)) \
__DO_TRACE(&__tracepoint_##name, \
TP_PROTO(proto), TP_ARGS(args)); \
} \
static inline int register_trace_##name(void (*probe)(proto)) \
{ \
return tracepoint_probe_register(#name, (void *)probe); \
} \
static inline int unregister_trace_##name(void (*probe)(proto)) \
{ \
return tracepoint_probe_unregister(#name, (void *)probe);\
}
#else /* !CONFIG_TRACEPOINTS */
#undef DECLARE_TRACE
#define DECLARE_TRACE(name, proto, args) \
static inline void _do_trace_##name(struct tracepoint *tp, proto) \
{ } \
static inline void trace_##name(proto) \
{ } \
static inline int register_trace_##name(void (*probe)(proto)) \
{ \
return -ENOSYS; \
} \
static inline int unregister_trace_##name(void (*probe)(proto)) \
{ \
return -ENOSYS; \
}
#endif /* CONFIG_TRACEPOINTS */
/* Define TRACE_EVENT for Declare tracepoint again*/
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, args, struct, assign, print) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#undef TRACE_EVENT_FN
#define TRACE_EVENT_FN(name, proto, args, struct, \
assign, print, reg, unreg) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#endif /*_TRACEPOINT_DEFINE*/
#endif /* _LINUX_TRACEPOINT_H */
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