From 0889c9860f5d07fc87db6bfc287b9a3ddc764aa1 Mon Sep 17 00:00:00 2001
From: Patrik Nyblom <pan@erlang.org>
Date: Thu, 8 Mar 2012 16:05:16 +0100
Subject: Move dtrace erlang code and NIF into runtime_tools

Also make dyntrace NIF's load in on_load instead of init/0
---
 .../examples/garbage-collection.systemtap          | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 lib/runtime_tools/examples/garbage-collection.systemtap

(limited to 'lib/runtime_tools/examples/garbage-collection.systemtap')

diff --git a/lib/runtime_tools/examples/garbage-collection.systemtap b/lib/runtime_tools/examples/garbage-collection.systemtap
new file mode 100644
index 0000000000..64d69c6fbd
--- /dev/null
+++ b/lib/runtime_tools/examples/garbage-collection.systemtap
@@ -0,0 +1,49 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Scott Lystig Fritchie and Andreas Schultz, 2011. 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/.
+ *
+ * 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.
+ *
+ * %CopyrightEnd%
+ */
+/*
+ * Note: This file assumes that you're using the non-SMP-enabled Erlang
+ *       virtual machine, "beam".  The SMP-enabled VM is called "beam.smp".
+ *       Note that other variations of the virtual machine also have
+ *       different names, e.g. the debug build of the SMP-enabled VM
+ *       is "beam.debug.smp".
+ *
+ *       To use a different virtual machine, replace each instance of
+ *       "beam" with "beam.smp" or the VM name appropriate to your
+ *       environment.
+ */
+
+probe process("beam").mark("gc_major-start")
+{
+    printf("GC major start pid %s need %d words\n", user_string($arg1), $arg2);
+}
+
+probe process("beam").mark("gc_minor-start")
+{
+    printf("GC minor start pid %s need %d words\n", user_string($arg1), $arg2);
+}
+
+probe process("beam").mark("gc_major-end")
+{
+    printf("GC major end pid %s reclaimed %d words\n", user_string($arg1), $arg2);
+}
+
+probe process("beam").mark("gc_minor-start")
+{
+    printf("GC minor end pid %s reclaimed %d words\n", user_string($arg1), $arg2);
+}
-- 
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