89 lines
		
	
	
	
		
			2.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			89 lines
		
	
	
	
		
			2.6 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * 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); | ||
|  | } |