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perf/scripts: Add Python scripting engine

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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>
This commit is contained in:
Tom Zanussi 2010-01-27 02:27:57 -06:00 • committed by Frederic Weisbecker
parent 266fe2f217
commit 7e4b21b84c
8 changed files with 864 additions and 0 deletions
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88
tools/perf/scripts/python/Perf-Trace-Util/Context.c Normal file
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/*
* Context.c. Python interfaces for perf trace.
*
* 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"
PyMODINIT_FUNC initperf_trace_context(void);
static PyObject *perf_trace_context_common_pc(PyObject *self, PyObject *args)
{
static struct scripting_context *scripting_context;
PyObject *context;
int retval;
if (!PyArg_ParseTuple(args, "O", &context))
return NULL;
scripting_context = PyCObject_AsVoidPtr(context);
retval = common_pc(scripting_context);
return Py_BuildValue("i", retval);
}
static PyObject *perf_trace_context_common_flags(PyObject *self,
PyObject *args)
{
static struct scripting_context *scripting_context;
PyObject *context;
int retval;
if (!PyArg_ParseTuple(args, "O", &context))
return NULL;
scripting_context = PyCObject_AsVoidPtr(context);
retval = common_flags(scripting_context);
return Py_BuildValue("i", retval);
}
static PyObject *perf_trace_context_common_lock_depth(PyObject *self,
PyObject *args)
{
static struct scripting_context *scripting_context;
PyObject *context;
int retval;
if (!PyArg_ParseTuple(args, "O", &context))
return NULL;
scripting_context = PyCObject_AsVoidPtr(context);
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}
};
PyMODINIT_FUNC initperf_trace_context(void)
{
(void) Py_InitModule("perf_trace_context", ContextMethods);
}