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3d2b407da0
Importlib was instrumented with two dtrace probes to profile import timing. Signed-off-by: Christian Heimes <christian@python.org>
58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
/* Static DTrace probes interface */
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#ifndef Py_DTRACE_H
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#define Py_DTRACE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef WITH_DTRACE
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#include "pydtrace_probes.h"
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/* pydtrace_probes.h, on systems with DTrace, is auto-generated to include
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`PyDTrace_{PROBE}` and `PyDTrace_{PROBE}_ENABLED()` macros for every probe
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defined in pydtrace_provider.d.
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Calling these functions must be guarded by a `PyDTrace_{PROBE}_ENABLED()`
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check to minimize performance impact when probing is off. For example:
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if (PyDTrace_FUNCTION_ENTRY_ENABLED())
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PyDTrace_FUNCTION_ENTRY(f);
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*/
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#else
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/* Without DTrace, compile to nothing. */
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static inline void PyDTrace_LINE(const char *arg0, const char *arg1, int arg2) {}
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static inline void PyDTrace_FUNCTION_ENTRY(const char *arg0, const char *arg1, int arg2) {}
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static inline void PyDTrace_FUNCTION_RETURN(const char *arg0, const char *arg1, int arg2) {}
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static inline void PyDTrace_GC_START(int arg0) {}
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static inline void PyDTrace_GC_DONE(int arg0) {}
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static inline void PyDTrace_INSTANCE_NEW_START(int arg0) {}
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static inline void PyDTrace_INSTANCE_NEW_DONE(int arg0) {}
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static inline void PyDTrace_INSTANCE_DELETE_START(int arg0) {}
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static inline void PyDTrace_INSTANCE_DELETE_DONE(int arg0) {}
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static inline void PyDTrace_IMPORT_FIND_LOAD_START(const char *arg0) {}
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static inline void PyDTrace_IMPORT_FIND_LOAD_DONE(const char *arg0, int arg1) {}
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static inline int PyDTrace_LINE_ENABLED(void) { return 0; }
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static inline int PyDTrace_FUNCTION_ENTRY_ENABLED(void) { return 0; }
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static inline int PyDTrace_FUNCTION_RETURN_ENABLED(void) { return 0; }
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static inline int PyDTrace_GC_START_ENABLED(void) { return 0; }
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static inline int PyDTrace_GC_DONE_ENABLED(void) { return 0; }
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static inline int PyDTrace_INSTANCE_NEW_START_ENABLED(void) { return 0; }
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static inline int PyDTrace_INSTANCE_NEW_DONE_ENABLED(void) { return 0; }
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static inline int PyDTrace_INSTANCE_DELETE_START_ENABLED(void) { return 0; }
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static inline int PyDTrace_INSTANCE_DELETE_DONE_ENABLED(void) { return 0; }
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static inline int PyDTrace_IMPORT_FIND_LOAD_START_ENABLED(void) { return 0; }
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static inline int PyDTrace_IMPORT_FIND_LOAD_DONE_ENABLED(void) { return 0; }
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#endif /* !WITH_DTRACE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_DTRACE_H */
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