Date: Sun, 8 Mar 2015 04:29:42 +0000 (UTC) From: "George V. Neville-Neil" <gnn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r279768 - head/share/dtrace Message-ID: <201503080429.t284Tgx0076770@svn.freebsd.org>
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Author: gnn Date: Sun Mar 8 04:29:41 2015 New Revision: 279768 URL: https://svnweb.freebsd.org/changeset/base/279768 Log: udp track shows UDP data as it arrives and leaves the system Added: head/share/dtrace/udptrack (contents, props changed) Modified: head/share/dtrace/Makefile Modified: head/share/dtrace/Makefile ============================================================================== --- head/share/dtrace/Makefile Sun Mar 8 03:53:36 2015 (r279767) +++ head/share/dtrace/Makefile Sun Mar 8 04:29:41 2015 (r279768) @@ -16,9 +16,10 @@ SCRIPTS= disklatency \ disklatencycmd \ hotopen \ nfsclienttime \ + udptrack \ tcpstate \ tcptrack \ - tcpconn + tcpconn SCRIPTSDIR= ${SHAREDIR}/dtrace Added: head/share/dtrace/udptrack ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/dtrace/udptrack Sun Mar 8 04:29:41 2015 (r279768) @@ -0,0 +1,54 @@ +#!/usr/sbin/dtrace -s +/* + * Copyright (c) 2015 George V. Neville-Neil + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + * + * The udptrack D script shows various information about UDP + * data that are sent and received on the host. + * + * Usage: udptrack + */ + +#pragma D option quiet +udp:kernel::receive +{ + printf("Received %d bytes of data from %s:%d\n", + args[4]->udp_length, + args[2]->ip_daddr, + args[3]->udps_rport); + tracemem(args[4]->udp_hdr, 64); + +} + +udp:kernel::send +{ + printf("Sent %d bytes of data to %s:%d\n", + args[4]->udp_length, + args[2]->ip_daddr, + args[3]->udps_rport); + tracemem(args[4]->udp_hdr, 64); +} +
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