--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Lib/test/dtrace_sample.py	Sun Dec 11 22:35:40 2011 +0100
@@ -0,0 +1,73 @@
+# Sample script for use by test_dtrace.py
+# DO NOT MODIFY THIS FILE IN ANY WAY WITHOUT UPDATING test_dtrace.py!!!!!
+
+import gc
+
+def function_1() :
+    pass
+
+# Check stacktrace
+def function_2() :
+    function_1()
+
+# CALL_FUNCTION_VAR
+def function_3(dummy, dummy2) :
+    pass
+
+# CALL_FUNCTION_KW
+def function_4(**dummy) :
+    pass
+
+# CALL_FUNCTION_VAR_KW
+def function_5(dummy, dummy2, **dummy3) :
+    pass
+
+def test_entry_return_and_stack() :
+    function_1()
+    function_2()
+    function_3(*(1,2))
+    function_4(**{"test":42})
+    function_5(*(1,2), **{"test":42})
+
+def test_line() :
+    a = 1  # Preamble
+    for i in xrange(2) :
+        a = i
+        b = i+2
+        c = i+3
+        d = a + b +c
+    a = 1  # Epilogue
+
+def test_instance_creation_destruction() :
+    class old_style_class() :
+        pass
+    class new_style_class(object) :
+        pass
+
+    a = old_style_class()
+    del a
+    gc.collect()
+    b = new_style_class()
+    del b
+    gc.collect()
+
+    a = old_style_class()
+    del old_style_class
+    gc.collect()
+    b = new_style_class()
+    del new_style_class
+    gc.collect()
+    del a
+    gc.collect()
+    del b
+    gc.collect()
+
+def test_garbage_collection() :
+    gc.collect()
+
+if __name__ == "__main__":
+    test_entry_return_and_stack()
+    test_line()
+    test_instance_creation_destruction()
+    test_garbage_collection()
+