From 7e4b21b84c43bb8a80b916e40718ca4ed1fc52e6 Mon Sep 17 00:00:00 2001
From: Tom Zanussi <tzanussi@gmail.com>
Date: Wed, 27 Jan 2010 02:27:57 -0600
Subject: perf/scripts: Add Python scripting engine
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>
---
.../perf/scripts/python/Perf-Trace-Util/Context.c | 88 ++++++++++++++++++++++
1 file changed, 88 insertions(+)
create mode 100644 tools/perf/scripts/python/Perf-Trace-Util/Context.c
(limited to 'tools/perf/scripts/python/Perf-Trace-Util/Context.c')
diff --git a/tools/perf/scripts/python/Perf-Trace-Util/Context.c b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
new file mode 100644
index 000000000000..957085dd5d8d
--- /dev/null
+++ b/tools/perf/scripts/python/Perf-Trace-Util/Context.c
@@ -0,0 +1,88 @@
+/*
+ * 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);
+}
--
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