1 #!/usr/sbin/dtrace -Zs 2 /* 3 * js_execs.d - JavaScript execute snoop using DTrace. 4 * Written for the JavaScript DTrace provider. 5 * 6 * $Id: js_execs.d,v 1.1.1.1 2015/09/30 22:01:09 christos Exp $ 7 * 8 * This traces activity from all browsers on the system that are 9 * running with JavaScript provider support. 10 * 11 * USAGE: js_execs.d # hit Ctrl-C to end 12 * 13 * FIELDS: 14 * TIME Time of event 15 * FILE Filename of the JavaScript program 16 * LINENO Line number in filename 17 * 18 * Filename and function names are printed if available. 19 * 20 * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 21 * 22 * CDDL HEADER START 23 * 24 * The contents of this file are subject to the terms of the 25 * Common Development and Distribution License, Version 1.0 only 26 * (the "License"). You may not use this file except in compliance 27 * with the License. 28 * 29 * You can obtain a copy of the license at Docs/cddl1.txt 30 * or http://www.opensolaris.org/os/licensing. 31 * See the License for the specific language governing permissions 32 * and limitations under the License. 33 * 34 * CDDL HEADER END 35 * 36 * 09-Sep-2007 Brendan Gregg Created this. 37 */ 38 39 #pragma D option quiet 40 #pragma D option switchrate=10 41 42 dtrace:::BEGIN 43 { 44 printf("%-20s %32s:%s\n", "TIME", "FILE", "LINENO"); 45 } 46 47 javascript*:::execute-start 48 { 49 printf("%-20Y %32s:%d\n", walltimestamp, basename(copyinstr(arg0)), 50 arg1); 51 } 52