1279727Sgnn#!/usr/sbin/dtrace -s 2279727Sgnn/* 3279727Sgnn * Copyright (c) 2015 George V. Neville-Neil 4279727Sgnn * All rights reserved. 5279727Sgnn * 6279727Sgnn * Redistribution and use in source and binary forms, with or without 7279727Sgnn * modification, are permitted provided that the following conditions 8279727Sgnn * are met: 9279727Sgnn * 1. Redistributions of source code must retain the above copyright 10279727Sgnn * notice, this list of conditions and the following disclaimer. 11279727Sgnn * 2. Redistributions in binary form must reproduce the above copyright 12279727Sgnn * notice, this list of conditions and the following disclaimer in the 13279727Sgnn * documentation and/or other materials provided with the distribution. 14279727Sgnn * 15279727Sgnn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16279727Sgnn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17279727Sgnn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18279727Sgnn * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19279727Sgnn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20279727Sgnn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21279727Sgnn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22279727Sgnn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23279727Sgnn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24279727Sgnn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25279727Sgnn * SUCH DAMAGE. 26279727Sgnn * 27279727Sgnn * $FreeBSD: releng/11.0/share/dtrace/tcpstate 279765 2015-03-08 02:47:38Z gnn $ 28279727Sgnn * 29279727Sgnn * The tcpstate D script shows TCP sockets transitioning between states. 30279727Sgnn * 31279727Sgnn * Usage: tcpstate 32279727Sgnn */ 33279727Sgnn 34279727Sgnn#pragma D option quiet 35279727SgnnBEGIN 36279727Sgnn{ 37279727Sgnn printf("Old State\t\tNew State\n"); 38279727Sgnn} 39279727Sgnn 40279727Sgnntcp:kernel::state-change 41279727Sgnn{ 42279727Sgnn newstate = args[3]->tcps_state; 43279727Sgnn oldstate = args[5]->tcps_state; 44279765Sgnn printf("%s\t\t%s\n", tcp_state_string[oldstate], 45279727Sgnn tcp_state_string[newstate]); 46279727Sgnn} 47