117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/*
|
|
* 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 < 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
|