diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/dist/JavaScript/js_objnew.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/dist/JavaScript/js_objnew.d | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/dist/JavaScript/js_objnew.d b/cddl/contrib/dtracetoolkit/dist/JavaScript/js_objnew.d new file mode 100755 index 0000000..f57c7b5 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/dist/JavaScript/js_objnew.d @@ -0,0 +1,55 @@ +#!/usr/sbin/dtrace -Zs +/* + * js_objnew.d - count JavaScript object creation using DTrace. + * Written for the JavaScript DTrace provider. + * + * $Id: js_objnew.d 63 2007-10-04 04:34:38Z brendan $ + * + * This traces JavaScript activity from all browsers running on the system + * with JavaScript provider support. + * + * USAGE: js_objnew.d # hit Ctrl-C to end + * + * FIELDS: + * FILE Filename of the JavaScript program + * CLASS Class of new object + * COUNT Number of object creations during tracing + * + * Filename and 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"); +} + +javascript*:::object-create-done +{ + @objs[basename(copyinstr(arg0)), copyinstr(arg1)] = count(); +} + +dtrace:::END +{ + printf(" %-24s %-36s %8s\n", "FILE", "CLASS", "COUNT"); + printa(" %-24.24s %-36s %@8d\n", @objs); +} |