1 /* Static DTrace probes interface */ 2 3 #ifndef Py_DTRACE_H 4 #define Py_DTRACE_H 5 #ifdef __cplusplus 6 extern "C" { 7 #endif 8 9 #ifdef WITH_DTRACE 10 11 #include "pydtrace_probes.h" 12 13 /* pydtrace_probes.h, on systems with DTrace, is auto-generated to include 14 `PyDTrace_{PROBE}` and `PyDTrace_{PROBE}_ENABLED()` macros for every probe 15 defined in pydtrace_provider.d. 16 17 Calling these functions must be guarded by a `PyDTrace_{PROBE}_ENABLED()` 18 check to minimize performance impact when probing is off. For example: 19 20 if (PyDTrace_FUNCTION_ENTRY_ENABLED()) 21 PyDTrace_FUNCTION_ENTRY(f); 22 */ 23 24 #else 25 26 /* Without DTrace, compile to nothing. */ 27 28 static inline void PyDTrace_LINE(const char *arg0, const char *arg1, int arg2) {} 29 static inline void PyDTrace_FUNCTION_ENTRY(const char *arg0, const char *arg1, int arg2) {} 30 static inline void PyDTrace_FUNCTION_RETURN(const char *arg0, const char *arg1, int arg2) {} 31 static inline void PyDTrace_GC_START(int arg0) {} 32 static inline void PyDTrace_GC_DONE(int arg0) {} 33 static inline void PyDTrace_INSTANCE_NEW_START(int arg0) {} 34 static inline void PyDTrace_INSTANCE_NEW_DONE(int arg0) {} 35 static inline void PyDTrace_INSTANCE_DELETE_START(int arg0) {} 36 static inline void PyDTrace_INSTANCE_DELETE_DONE(int arg0) {} 37 38 static inline int PyDTrace_LINE_ENABLED(void) { return 0; } 39 static inline int PyDTrace_FUNCTION_ENTRY_ENABLED(void) { return 0; } 40 static inline int PyDTrace_FUNCTION_RETURN_ENABLED(void) { return 0; } 41 static inline int PyDTrace_GC_START_ENABLED(void) { return 0; } 42 static inline int PyDTrace_GC_DONE_ENABLED(void) { return 0; } 43 static inline int PyDTrace_INSTANCE_NEW_START_ENABLED(void) { return 0; } 44 static inline int PyDTrace_INSTANCE_NEW_DONE_ENABLED(void) { return 0; } 45 static inline int PyDTrace_INSTANCE_DELETE_START_ENABLED(void) { return 0; } 46 static inline int PyDTrace_INSTANCE_DELETE_DONE_ENABLED(void) { return 0; } 47 48 #endif /* !WITH_DTRACE */ 49 50 #ifdef __cplusplus 51 } 52 #endif 53 #endif /* !Py_DTRACE_H */ 54
