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Revise the interface to the profiling and tracing support for the

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Python interpreter.

This change adds two new C-level APIs:  PyEval_SetProfile() and
PyEval_SetTrace().  These can be used to install profile and trace
functions implemented in C, which can operate at much higher speeds
than Python-based functions.  The overhead for calling a C-based
profile function is a very small fraction of a percent of the overhead
involved in calling a Python-based function.

The machinery required to call a Python-based profile or trace
function been moved to sysmodule.c, where sys.setprofile() and
sys.setprofile() simply become users of the new interface.
This commit is contained in:
Fred Drake 2001-06-27 19:18:03 +00:00
parent 8f4558583f
commit 55fb6e0371
2 changed files with 16 additions and 2 deletions
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3
Include/ceval.h
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@ -22,6 +22,9 @@ DL_IMPORT(PyObject *) PyEval_CallFunction(PyObject *obj, char *format, ...);
DL_IMPORT(PyObject *) PyEval_CallMethod(PyObject *obj,
char *methodname, char *format, ...);
DL_IMPORT(void) PyEval_SetProfile(Py_tracefunc, PyObject *);
DL_IMPORT(void) PyEval_SetTrace(Py_tracefunc, PyObject *);
DL_IMPORT(PyObject *) PyEval_GetBuiltins(void);
DL_IMPORT(PyObject *) PyEval_GetGlobals(void);
DL_IMPORT(PyObject *) PyEval_GetLocals(void);