Add dtrace and systemtap support for gobject

This adds static markers and systemtap tapsets for:

* type creation
* object lifetimes (creation, ref, unref, dispose, finalize)
* signal creation and emission

Signal emissions and finalization marker have a corresponding
*_end (or *-end in dtrace) version that is when the corresponding
operation is finished.

https://bugzilla.gnome.org/show_bug.cgi?id=606044

1 files changed, 43 insertions, 0 deletions

diff --git a/gobject/gobject_trace.h b/gobject/gobject_trace.h
new file mode 100644
index 000000000..292a0e862
--- /dev/null
+++ b/gobject/gobject_trace.h
@@ -0,0 +1,43 @@
+/* GLIB - Library of useful routines for C programming
+ * 
+ * Copyright (C) 2009,2010 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Alexander Larsson <alexl@redhat.com>
+ */
+ 
+#ifndef __GOBJECTTRACE_H__
+#define __GOBJECTTRACE_H__
+
+#ifndef SIZEOF_CHAR
+#error "config.h must be included prior to gobject_trace.h"
+#endif
+
+#ifdef HAVE_DTRACE
+
+/* include the generated probes header and put markers in code */
+#include "gobject_probes.h"
+#define TRACE(probe) probe
+
+#else
+
+/* Wrap the probe to allow it to be removed when no systemtap available */
+#define TRACE(probe)
+
+#endif
+
+#endif /* __GOBJECTTRACE_H__ */