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93 lines
2.1 KiB
D
Executable File
93 lines
2.1 KiB
D
Executable File
#!/usr/sbin/dtrace -s
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/*
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* udpstat.d - print UDP statistics. Uses DTrace.
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*
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* This prints UDP statistics every second, retrieved from the MIB provider.
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*
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* $Id: udpstat.d 59 2007-10-03 08:21:58Z brendan $
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*
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* USAGE: udpstat.d
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*
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* FIELDS:
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* UDP_out UDP datagrams sent
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* UDP_outErr UDP datagrams errored on send
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* UDP_in UDP datagrams received
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* UDP_inErr UDP datagrams undeliverable
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* UDP_noPort UDP datagrams received to closed ports
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*
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* The above UDP statistics are documented in the mib2_udp struct
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* in the /usr/include/inet/mib2.h file; and also in the mib provider
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* chapter of the DTrace Guide, http://docs.sun.com/db/doc/817-6223.
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*
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* COPYRIGHT: Copyright (c) 2005 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 25-Jul-2005 Brendan Gregg Created this.
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* 25-Jul-2005 " " Last update.
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*/
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#pragma D option quiet
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/*
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* Declare Globals
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*/
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dtrace:::BEGIN
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{
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UDP_in = 0; UDP_out = 0;
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UDP_inErr = 0; UDP_outErr = 0; UDP_noPort = 0;
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LINES = 20; line = 0;
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}
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/*
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* Print Header
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*/
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profile:::tick-1sec { line--; }
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profile:::tick-1sec
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/line <= 0 /
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{
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printf("%11s %11s %11s %11s %11s\n",
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"UDP_out", "UDP_outErr", "UDP_in", "UDP_inErr", "UDP_noPort");
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line = LINES;
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}
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/*
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* Save Data
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*/
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mib:::udp*InDatagrams { UDP_in += arg0; }
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mib:::udp*OutDatagrams { UDP_out += arg0; }
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mib:::udpInErrors { UDP_inErr += arg0; }
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mib:::udpInCksumErrs { UDP_inErr += arg0; }
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mib:::udpOutErrors { UDP_outErr += arg0; }
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mib:::udpNoPorts { UDP_noPort += arg0; }
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/*
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* Print Output
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*/
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profile:::tick-1sec
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{
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printf("%11d %11d %11d %11d %11d\n",
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UDP_out, UDP_outErr, UDP_in, UDP_inErr, UDP_noPort);
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/* clear values */
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UDP_out = 0;
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UDP_outErr = 0;
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UDP_in = 0;
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UDP_inErr = 0;
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UDP_noPort = 0;
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}
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