1 files changed, 61 insertions, 0 deletions
diff --git a/Ruby/rb_objcpu.d b/Ruby/rb_objcpu.d
new file mode 100755
index 000000000000..23c55e88592c
--- /dev/null
+++ b/Ruby/rb_objcpu.d
@@ -0,0 +1,61 @@
+#!/usr/sbin/dtrace -Zs
+/*
+ * rb_objcpu.d - measure Ruby object creation on-CPU time using DTrace.
+ *               Written for the Ruby DTrace provider.
+ *
+ * $Id: rb_objcpu.d 20 2007-09-12 09:28:22Z brendan $
+ *
+ * This traces Ruby activity from all programs running on the system with
+ * Ruby provider support.
+ *
+ * USAGE: rb_objcpu.d	 	# hit Ctrl-C to end
+ *
+ * Class 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*:::object-create-start
+{
+	self->vstart = vtimestamp;
+}
+
+ruby*:::object-create-done
+/self->vstart/
+{
+	this->oncpu = vtimestamp - self->vstart;
+	@total = sum(this->oncpu);
+	@dist[copyinstr(arg0)] = quantize(this->oncpu / 1000);
+	self->vstart = 0;
+}
+
+dtrace:::END
+{
+	normalize(@total, 1000000);
+	printa("Total object creation on-CPU time (ms): %@d\n\n", @total);
+	printf("Object creation on-CPU time distributions (us),\n");
+	printa(@dist);
+}