/* * Context.c.  Python interfaces for perf script. * * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com> * *  This program is free software; you can redistribute it and/or modify *  it under the terms of the GNU General Public License as published by *  the Free Software Foundation; either version 2 of the License, or *  (at your option) any later version. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program; if not, write to the Free Software *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * */ #include <Python.h>#include "../../../perf.h"#include "../../../util/trace-event.h" #if PY_MAJOR_VERSION < 3#define _PyCapsule_GetPointer(arg1, arg2) \  PyCObject_AsVoidPtr(arg1) PyMODINIT_FUNC initperf_trace_context(void);#else#define _PyCapsule_GetPointer(arg1, arg2) \  PyCapsule_GetPointer((arg1), (arg2)) PyMODINIT_FUNC PyInit_perf_trace_context(void);#endif static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args){	static struct scripting_context *scripting_context;	PyObject *context;	int retval; 	if (!PyArg_ParseTuple(args, "O", &context))		return NULL; 	scripting_context = _PyCapsule_GetPointer(context, NULL);	retval = common_pc(scripting_context); 	return Py_BuildValue("i", retval);} static PyObject *perf_trace_context_common_flags(PyObject *obj,						 PyObject *args){	static struct scripting_context *scripting_context;	PyObject *context;	int retval; 	if (!PyArg_ParseTuple(args, "O", &context))		return NULL; 	scripting_context = _PyCapsule_GetPointer(context, NULL);	retval = common_flags(scripting_context); 	return Py_BuildValue("i", retval);} static PyObject *perf_trace_context_common_lock_depth(PyObject *obj,						      PyObject *args){	static struct scripting_context *scripting_context;	PyObject *context;	int retval; 	if (!PyArg_ParseTuple(args, "O", &context))		return NULL; 	scripting_context = _PyCapsule_GetPointer(context, NULL);	retval = common_lock_depth(scripting_context); 	return Py_BuildValue("i", retval);} static PyMethodDef ContextMethods[] = {	{ "common_pc", perf_trace_context_common_pc, METH_VARARGS,	  "Get the common preempt count event field value."},	{ "common_flags", perf_trace_context_common_flags, METH_VARARGS,	  "Get the common flags event field value."},	{ "common_lock_depth", perf_trace_context_common_lock_depth,	  METH_VARARGS,	"Get the common lock depth event field value."},	{ NULL, NULL, 0, NULL}}; #if PY_MAJOR_VERSION < 3PyMODINIT_FUNC initperf_trace_context(void){	(void) Py_InitModule("perf_trace_context", ContextMethods);}#elsePyMODINIT_FUNC PyInit_perf_trace_context(void){	static struct PyModuleDef moduledef = {		PyModuleDef_HEAD_INIT,		"perf_trace_context",	/* m_name */		"",			/* m_doc */		-1,			/* m_size */		ContextMethods,		/* m_methods */		NULL,			/* m_reload */		NULL,			/* m_traverse */		NULL,			/* m_clear */		NULL,			/* m_free */	};	return PyModule_Create(&moduledef);}#endif