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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Context.c. Python interfaces for perf script.
*
* Copyright (C) 2010 Tom Zanussi <tzanussi@gmail.com>
*/
#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 < 3
PyMODINIT_FUNC initperf_trace_context(void)
{
(void) Py_InitModule("perf_trace_context", ContextMethods);
}
#else
PyMODINIT_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
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