1 files changed, 76 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/JavaScript/js_calls.d b/cddl/contrib/dtracetoolkit/JavaScript/js_calls.d
new file mode 100755
index 000000000000..98f1a83ae54b
--- /dev/null
+++ b/cddl/contrib/dtracetoolkit/JavaScript/js_calls.d
@@ -0,0 +1,76 @@
+#!/usr/sbin/dtrace -Zs
+/*
+ * js_calls.d - count JavaScript calls using DTrace.
+ *              Written for the JavaScript DTrace provider.
+ *
+ * $Id: js_calls.d 63 2007-10-04 04:34:38Z brendan $
+ *
+ * This traces activity from all browsers on the system that are
+ * running with JavaScript provider support.
+ *
+ * USAGE: js_calls.d 		# hit Ctrl-C to end
+ *
+ * FIELDS:
+ *		FILE		Filename of the JavaScript program
+ *		TYPE		Type of call (func/obj-new/...)
+ *		NAME		Descriptive name of call
+ *		COUNT		Number of calls during sample
+ *
+ * Filename and function 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");
+}
+
+javascript*:::function-entry
+{
+	this->name = copyinstr(arg2);
+        @calls[basename(copyinstr(arg0)), "func", this->name] = count();
+}
+
+javascript*:::execute-start
+{
+	this->filename = basename(copyinstr(arg0));
+        @calls[this->filename, "exec", "."] = count();
+}
+
+javascript*:::object-create-start
+{
+	this->name = copyinstr(arg1);
+	this->filename = basename(copyinstr(arg0));
+        @calls[this->filename, "obj-new", this->name] = count();
+}
+
+javascript*:::object-finalize
+{
+	this->name = copyinstr(arg1);
+        @calls["<null>", "obj-free", this->name] = count();
+}
+
+dtrace:::END
+{
+        printf(" %-24s %-10s %-30s %8s\n", "FILE", "TYPE", "NAME", "CALLS");
+        printa(" %-24s %-10s %-30s %@8d\n", @calls);
+}