7e4b21b84c
Add base support for Python scripting to perf trace. Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Keiichi KII <k-keiichi@bx.jp.nec.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1264580883-15324-6-git-send-email-tzanussi@gmail.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
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* Context.c. Python interfaces for perf trace.
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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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PyMODINIT_FUNC initperf_trace_context(void);
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static PyObject *perf_trace_context_common_pc(PyObject *self, 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 = PyCObject_AsVoidPtr(context);
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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 *self,
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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 = PyCObject_AsVoidPtr(context);
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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 *self,
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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 = PyCObject_AsVoidPtr(context);
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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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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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