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