#!/usr/sbin/dtrace -Zs /* * rb_funccalls.d - count Ruby function (method) calls using DTrace. * Written for the Ruby DTrace provider. * * $Id: rb_funccalls.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * This traces activity from all Ruby programs on the system that are * running with Ruby provider support. * * USAGE: rb_funccalls.d # hit Ctrl-C to end * * FIELDS: * FILE Filename of the Ruby program * METHOD Method name * COUNT Number of calls during sample * * Filename and method 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"); } ruby*:::function-entry { @funcs[basename(copyinstr(arg2)), copyinstr(arg0), copyinstr(arg1)] = count(); } dtrace:::END { printf(" %-32.32s %-16s %-16s %8s\n", "FILE", "CLASS", "METHOD", "CALLS"); printa(" %-32.32s %-16s %-16s %@8d\n", @funcs); }