1235368Sgnn#!/usr/sbin/dtrace -Zs 2235368Sgnn/* 3235368Sgnn * js_calls.d - count JavaScript calls using DTrace. 4235368Sgnn * Written for the JavaScript DTrace provider. 5235368Sgnn * 6235368Sgnn * $Id: js_calls.d 63 2007-10-04 04:34:38Z brendan $ 7235368Sgnn * 8235368Sgnn * This traces activity from all browsers on the system that are 9235368Sgnn * running with JavaScript provider support. 10235368Sgnn * 11235368Sgnn * USAGE: js_calls.d # hit Ctrl-C to end 12235368Sgnn * 13235368Sgnn * FIELDS: 14235368Sgnn * FILE Filename of the JavaScript program 15235368Sgnn * TYPE Type of call (func/obj-new/...) 16235368Sgnn * NAME Descriptive name of call 17235368Sgnn * COUNT Number of calls during sample 18235368Sgnn * 19235368Sgnn * Filename and function names are printed if available. 20235368Sgnn * 21235368Sgnn * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. 22235368Sgnn * 23235368Sgnn * CDDL HEADER START 24235368Sgnn * 25235368Sgnn * The contents of this file are subject to the terms of the 26235368Sgnn * Common Development and Distribution License, Version 1.0 only 27235368Sgnn * (the "License"). You may not use this file except in compliance 28235368Sgnn * with the License. 29235368Sgnn * 30235368Sgnn * You can obtain a copy of the license at Docs/cddl1.txt 31235368Sgnn * or http://www.opensolaris.org/os/licensing. 32235368Sgnn * See the License for the specific language governing permissions 33235368Sgnn * and limitations under the License. 34235368Sgnn * 35235368Sgnn * CDDL HEADER END 36235368Sgnn * 37235368Sgnn * 09-Sep-2007 Brendan Gregg Created this. 38235368Sgnn */ 39235368Sgnn 40235368Sgnn#pragma D option quiet 41235368Sgnn 42235368Sgnndtrace:::BEGIN 43235368Sgnn{ 44235368Sgnn printf("Tracing... Hit Ctrl-C to end.\n"); 45235368Sgnn} 46235368Sgnn 47235368Sgnnjavascript*:::function-entry 48235368Sgnn{ 49235368Sgnn this->name = copyinstr(arg2); 50235368Sgnn @calls[basename(copyinstr(arg0)), "func", this->name] = count(); 51235368Sgnn} 52235368Sgnn 53235368Sgnnjavascript*:::execute-start 54235368Sgnn{ 55235368Sgnn this->filename = basename(copyinstr(arg0)); 56235368Sgnn @calls[this->filename, "exec", "."] = count(); 57235368Sgnn} 58235368Sgnn 59235368Sgnnjavascript*:::object-create-start 60235368Sgnn{ 61235368Sgnn this->name = copyinstr(arg1); 62235368Sgnn this->filename = basename(copyinstr(arg0)); 63235368Sgnn @calls[this->filename, "obj-new", this->name] = count(); 64235368Sgnn} 65235368Sgnn 66235368Sgnnjavascript*:::object-finalize 67235368Sgnn{ 68235368Sgnn this->name = copyinstr(arg1); 69235368Sgnn @calls["<null>", "obj-free", this->name] = count(); 70235368Sgnn} 71235368Sgnn 72235368Sgnndtrace:::END 73235368Sgnn{ 74235368Sgnn printf(" %-24s %-10s %-30s %8s\n", "FILE", "TYPE", "NAME", "CALLS"); 75235368Sgnn printa(" %-24s %-10s %-30s %@8d\n", @calls); 76235368Sgnn} 77