1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * Context.c.  Python interfaces for perf script.
  4 *
  5 * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  6 */
  7
  8#include <Python.h>
 
  9#include "../../../util/trace-event.h"
 10
 11#if PY_MAJOR_VERSION < 3
 12#define _PyCapsule_GetPointer(arg1, arg2) \
 13  PyCObject_AsVoidPtr(arg1)
 14
 15PyMODINIT_FUNC initperf_trace_context(void);
 16#else
 17#define _PyCapsule_GetPointer(arg1, arg2) \
 18  PyCapsule_GetPointer((arg1), (arg2))
 19
 20PyMODINIT_FUNC PyInit_perf_trace_context(void);
 21#endif
 22
 23static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args)
 24{
 25	static struct scripting_context *scripting_context;
 26	PyObject *context;
 27	int retval;
 28
 29	if (!PyArg_ParseTuple(args, "O", &context))
 30		return NULL;
 31
 32	scripting_context = _PyCapsule_GetPointer(context, NULL);
 33	retval = common_pc(scripting_context);
 34
 35	return Py_BuildValue("i", retval);
 36}
 37
 38static PyObject *perf_trace_context_common_flags(PyObject *obj,
 39						 PyObject *args)
 40{
 41	static struct scripting_context *scripting_context;
 42	PyObject *context;
 43	int retval;
 44
 45	if (!PyArg_ParseTuple(args, "O", &context))
 46		return NULL;
 47
 48	scripting_context = _PyCapsule_GetPointer(context, NULL);
 49	retval = common_flags(scripting_context);
 50
 51	return Py_BuildValue("i", retval);
 52}
 53
 54static PyObject *perf_trace_context_common_lock_depth(PyObject *obj,
 55						      PyObject *args)
 56{
 57	static struct scripting_context *scripting_context;
 58	PyObject *context;
 59	int retval;
 60
 61	if (!PyArg_ParseTuple(args, "O", &context))
 62		return NULL;
 63
 64	scripting_context = _PyCapsule_GetPointer(context, NULL);
 65	retval = common_lock_depth(scripting_context);
 66
 67	return Py_BuildValue("i", retval);
 68}
 69
 70static PyMethodDef ContextMethods[] = {
 71	{ "common_pc", perf_trace_context_common_pc, METH_VARARGS,
 72	  "Get the common preempt count event field value."},
 73	{ "common_flags", perf_trace_context_common_flags, METH_VARARGS,
 74	  "Get the common flags event field value."},
 75	{ "common_lock_depth", perf_trace_context_common_lock_depth,
 76	  METH_VARARGS,	"Get the common lock depth event field value."},
 77	{ NULL, NULL, 0, NULL}
 78};
 79
 80#if PY_MAJOR_VERSION < 3
 81PyMODINIT_FUNC initperf_trace_context(void)
 82{
 83	(void) Py_InitModule("perf_trace_context", ContextMethods);
 84}
 85#else
 86PyMODINIT_FUNC PyInit_perf_trace_context(void)
 87{
 88	static struct PyModuleDef moduledef = {
 89		PyModuleDef_HEAD_INIT,
 90		"perf_trace_context",	/* m_name */
 91		"",			/* m_doc */
 92		-1,			/* m_size */
 93		ContextMethods,		/* m_methods */
 94		NULL,			/* m_reload */
 95		NULL,			/* m_traverse */
 96		NULL,			/* m_clear */
 97		NULL,			/* m_free */
 98	};
 99	return PyModule_Create(&moduledef);
100}
101#endif

 
 1/*
 2 * Context.c.  Python interfaces for perf script.
 3 *
 4 * Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
 5 *
 6 *  This program is free software; you can redistribute it and/or modify
 7 *  it under the terms of the GNU General Public License as published by
 8 *  the Free Software Foundation; either version 2 of the License, or
 9 *  (at your option) any later version.
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *  GNU General Public License for more details.
15 *
16 *  You should have received a copy of the GNU General Public License
17 *  along with this program; if not, write to the Free Software
18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 *
20 */
21
22#include <Python.h>
23#include "../../../perf.h"
24#include "../../../util/trace-event.h"
25
 
 
 
 
26PyMODINIT_FUNC initperf_trace_context(void);
 
 
 
 
 
 
27
28static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args)
29{
30	static struct scripting_context *scripting_context;
31	PyObject *context;
32	int retval;
33
34	if (!PyArg_ParseTuple(args, "O", &context))
35		return NULL;
36
37	scripting_context = PyCObject_AsVoidPtr(context);
38	retval = common_pc(scripting_context);
39
40	return Py_BuildValue("i", retval);
41}
42
43static PyObject *perf_trace_context_common_flags(PyObject *obj,
44						 PyObject *args)
45{
46	static struct scripting_context *scripting_context;
47	PyObject *context;
48	int retval;
49
50	if (!PyArg_ParseTuple(args, "O", &context))
51		return NULL;
52
53	scripting_context = PyCObject_AsVoidPtr(context);
54	retval = common_flags(scripting_context);
55
56	return Py_BuildValue("i", retval);
57}
58
59static PyObject *perf_trace_context_common_lock_depth(PyObject *obj,
60						      PyObject *args)
61{
62	static struct scripting_context *scripting_context;
63	PyObject *context;
64	int retval;
65
66	if (!PyArg_ParseTuple(args, "O", &context))
67		return NULL;
68
69	scripting_context = PyCObject_AsVoidPtr(context);
70	retval = common_lock_depth(scripting_context);
71
72	return Py_BuildValue("i", retval);
73}
74
75static PyMethodDef ContextMethods[] = {
76	{ "common_pc", perf_trace_context_common_pc, METH_VARARGS,
77	  "Get the common preempt count event field value."},
78	{ "common_flags", perf_trace_context_common_flags, METH_VARARGS,
79	  "Get the common flags event field value."},
80	{ "common_lock_depth", perf_trace_context_common_lock_depth,
81	  METH_VARARGS,	"Get the common lock depth event field value."},
82	{ NULL, NULL, 0, NULL}
83};
84
 
85PyMODINIT_FUNC initperf_trace_context(void)
86{
87	(void) Py_InitModule("perf_trace_context", ContextMethods);
88}