1 files changed, 40 insertions, 10 deletions
diff --git a/erts/emulator/beam/erlang_dtrace.d b/erts/emulator/beam/erlang_dtrace.d
index e3ebbb84f4..237889e0f5 100644
--- a/erts/emulator/beam/erlang_dtrace.d
+++ b/erts/emulator/beam/erlang_dtrace.d
@@ -1,19 +1,20 @@
 /*
  * %CopyrightBegin%
  *
- * Copyright Dustin Sallings, Michal Ptaszek, Scott Lystig Fritchie 2011-2012.
+ * Copyright Dustin Sallings, Michal Ptaszek, Scott Lystig Fritchie 2011-2016.
  * All Rights Reserved.
  *
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
  *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  *
  * %CopyrightEnd%
  */
@@ -699,6 +700,35 @@ provider erlang {
      */
     probe efile_drv__return(int, int, char *, int, int, int);
 
+
+/*
+ * The set of probes called by the erlang tracer nif backend. In order
+ * to receive events on these you both have to enable tracing in erlang
+ * using the trace bifs and also from dtrace/systemtap.
+ */
+
+
+    /**
+     * A trace message of type `event` was triggered by process `p`.
+     *
+     *
+     * @param p the PID (string form) of the process
+     * @param event the event that was triggered (i.e. call or spawn)
+     * @param state the state of the tracer nif as a string
+     * @param arg1 first argument to the trace event
+     * @param arg2 second argument to the trace event
+     */
+    probe trace(char *p, char *event, char *state, char *arg1, char *arg2);
+
+    /**
+     * A sequence trace message of type `label` was triggered.
+     *
+     * @param state the state of the tracer nif as a string
+     * @param label the seq trace label
+     * @param seq_info the seq trace info tuple as a string
+     */
+    probe trace_seq(char *state, char *label, char *seq_info);
+
 /*
  * NOTE:
  * For formatting int64_t arguments within a D script, see: