1#!/usr/sbin/dtrace -Zs 2/* 3 * rb_funccalls.d - count Ruby function (method) calls using DTrace. 4 * Written for the Ruby DTrace provider. 5 * 6 * $Id: rb_funccalls.d 20 2007-09-12 09:28:22Z brendan $ 7 * 8 * This traces activity from all Ruby programs on the system that are 9 * running with Ruby provider support. 10 * 11 * USAGE: rb_funccalls.d # hit Ctrl-C to end 12 * 13 * FIELDS: 14 * FILE Filename of the Ruby program 15 * METHOD Method name 16 * COUNT Number of calls during sample 17 * 18 * Filename and method 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 41dtrace:::BEGIN 42{ 43 printf("Tracing... Hit Ctrl-C to end.\n"); 44} 45 46ruby*:::function-entry 47{ 48 @funcs[basename(copyinstr(arg2)), copyinstr(arg0), copyinstr(arg1)] = 49 count(); 50} 51 52dtrace:::END 53{ 54 printf(" %-32.32s %-16s %-16s %8s\n", "FILE", "CLASS", "METHOD", 55 "CALLS"); 56 printa(" %-32.32s %-16s %-16s %@8d\n", @funcs); 57} 58