1 files changed, 57 insertions, 0 deletions
diff --git a/Ruby/rb_funccalls.d b/Ruby/rb_funccalls.d
new file mode 100755
index 0000000000000..76215006cfb94
--- /dev/null
+++ b/Ruby/rb_funccalls.d
@@ -0,0 +1,57 @@
+#!/usr/sbin/dtrace -Zs
+/*
+ * rb_funccalls.d - count Ruby function (method) calls using DTrace.
+ *                  Written for the Ruby DTrace provider.
+ *
+ * $Id: rb_funccalls.d 20 2007-09-12 09:28:22Z brendan $
+ *
+ * This traces activity from all Ruby programs on the system that are
+ * running with Ruby provider support.
+ *
+ * USAGE: rb_funccalls.d 	# hit Ctrl-C to end
+ *
+ * FIELDS:
+ *		FILE		Filename of the Ruby program
+ *		METHOD		Method name
+ *		COUNT		Number of calls during sample
+ *
+ * Filename and method names are printed if available.
+ *
+ * COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
+ *
+ * CDDL HEADER START
+ *
+ *  The contents of this file are subject to the terms of the
+ *  Common Development and Distribution License, Version 1.0 only
+ *  (the "License").  You may not use this file except in compliance
+ *  with the License.
+ *
+ *  You can obtain a copy of the license at Docs/cddl1.txt
+ *  or http://www.opensolaris.org/os/licensing.
+ *  See the License for the specific language governing permissions
+ *  and limitations under the License.
+ *
+ * CDDL HEADER END
+ *
+ * 09-Sep-2007	Brendan Gregg	Created this.
+ */
+
+#pragma D option quiet
+
+dtrace:::BEGIN
+{
+        printf("Tracing... Hit Ctrl-C to end.\n");
+}
+
+ruby*:::function-entry
+{
+        @funcs[basename(copyinstr(arg2)), copyinstr(arg0), copyinstr(arg1)] =
+	    count();
+}
+
+dtrace:::END
+{
+        printf(" %-32.32s %-16s %-16s %8s\n", "FILE", "CLASS", "METHOD",
+	    "CALLS");
+        printa(" %-32.32s %-16s %-16s %@8d\n", @funcs);
+}