--- /dev/null
+#ifndef _BABELTRACE_CLOCKS_H
+#define _BABELTRACE_CLOCKS_H
+
+/*
+ * BabelTrace
+ *
+ * clocks header
+ *
+ * Copyright 2012 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Julien Desfossez <julien.desfossez@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+
+/*
+ * the Babeltrace clock representations
+ */
+enum bt_clock_type {
+ BT_CLOCK_CYCLES = 0,
+ BT_CLOCK_REAL,
+};
+
+#endif /* _BABELTRACE_CLOCKS_H */