#!/usr/sbin/dtrace -s /* * udpstat.d - print UDP statistics. Uses DTrace. * * This prints UDP statistics every second, retrieved from the MIB provider. * * $Id: udpstat.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ * * USAGE: udpstat.d * * FIELDS: * UDP_out UDP datagrams sent * UDP_outErr UDP datagrams errored on send * UDP_in UDP datagrams received * UDP_inErr UDP datagrams undeliverable * UDP_noPort UDP datagrams received to closed ports * * The above UDP statistics are documented in the mib2_udp struct * in the /usr/include/inet/mib2.h file; and also in the mib provider * chapter of the DTrace Guide, http://docs.sun.com/db/doc/817-6223. * * COPYRIGHT: Copyright (c) 2005 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 * * 25-Jul-2005 Brendan Gregg Created this. * 25-Jul-2005 " " Last update. */ #pragma D option quiet /* * Declare Globals */ dtrace:::BEGIN { UDP_in = 0; UDP_out = 0; UDP_inErr = 0; UDP_outErr = 0; UDP_noPort = 0; LINES = 20; line = 0; } /* * Print Header */ profile:::tick-1sec { line--; } profile:::tick-1sec /line <= 0 / { printf("%11s %11s %11s %11s %11s\n", "UDP_out", "UDP_outErr", "UDP_in", "UDP_inErr", "UDP_noPort"); line = LINES; } /* * Save Data */ mib:::udp*InDatagrams { UDP_in += arg0; } mib:::udp*OutDatagrams { UDP_out += arg0; } mib:::udpInErrors { UDP_inErr += arg0; } mib:::udpInCksumErrs { UDP_inErr += arg0; } mib:::udpOutErrors { UDP_outErr += arg0; } mib:::udpNoPorts { UDP_noPort += arg0; } /* * Print Output */ profile:::tick-1sec { printf("%11d %11d %11d %11d %11d\n", UDP_out, UDP_outErr, UDP_in, UDP_inErr, UDP_noPort); /* clear values */ UDP_out = 0; UDP_outErr = 0; UDP_in = 0; UDP_inErr = 0; UDP_noPort = 0; }