1 files changed, 55 insertions, 0 deletions
diff --git a/Ruby/rb_lines.d b/Ruby/rb_lines.d
new file mode 100755
index 000000000000..438f1f11a679
--- /dev/null
+++ b/Ruby/rb_lines.d
@@ -0,0 +1,55 @@
+#!/usr/sbin/dtrace -Zs
+/*
+ * rb_lines.d - trace Ruby line execution by process using DTrace.
+ *              Written for the Ruby DTrace provider.
+ *
+ * $Id: rb_lines.d 20 2007-09-12 09:28:22Z brendan $
+ *
+ * This traces Ruby activity from all Ruby programs on the system that are
+ * running with Ruby provider support.
+ *
+ * USAGE: rb_who.d 		# hit Ctrl-C to end
+ *
+ * FIELDS:
+ *		FILE		Filename of the Ruby program
+ *		LINE		Line number
+ *		COUNT		Number of times a line was executed
+ *
+ * Filenames 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*:::line
+{
+	@calls[basename(copyinstr(arg0)), arg1] = count();
+}
+
+dtrace:::END
+{
+	printf(" %32s:%-6s %10s\n", "FILE", "LINE", "COUNT");
+	printa(" %32s:%-6d %@10d\n", @calls);
+}