#!/usr/sbin/dtrace -Zs /* * js_execs.d - JavaScript execute snoop using DTrace. * Written for the JavaScript DTrace provider. * * $Id: js_execs.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * This traces activity from all browsers on the system that are * running with JavaScript provider support. * * USAGE: js_execs.d # hit Ctrl-C to end * * FIELDS: * TIME Time of event * FILE Filename of the JavaScript program * LINENO Line number in filename * * 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 #pragma D option switchrate=10 dtrace:::BEGIN { printf("%-20s %32s:%s\n", "TIME", "FILE", "LINENO"); } javascript*:::execute-start { printf("%-20Y %32s:%d\n", walltimestamp, basename(copyinstr(arg0)), arg1); }