diff options
author | gnn <gnn@FreeBSD.org> | 2015-03-07 19:29:53 +0000 |
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committer | gnn <gnn@FreeBSD.org> | 2015-03-07 19:29:53 +0000 |
commit | 4388fb8eb58edb77cefd62079e82719ee96cc09e (patch) | |
tree | 5a38a004a75b73421c979153ac3f136209ec0c09 /share/dtrace | |
parent | 74a863fa51c99067e091b24fd6091ba48c45d60b (diff) | |
download | FreeBSD-src-4388fb8eb58edb77cefd62079e82719ee96cc09e.zip FreeBSD-src-4388fb8eb58edb77cefd62079e82719ee96cc09e.tar.gz |
TCP connection tracker that uses aggregations to show where connections
originate from.
Diffstat (limited to 'share/dtrace')
-rw-r--r-- | share/dtrace/Makefile | 3 | ||||
-rwxr-xr-x | share/dtrace/tcpconn | 47 |
2 files changed, 49 insertions, 1 deletions
diff --git a/share/dtrace/Makefile b/share/dtrace/Makefile index dd5e02c..7de5ccc 100644 --- a/share/dtrace/Makefile +++ b/share/dtrace/Makefile @@ -17,7 +17,8 @@ SCRIPTS= disklatency \ hotopen \ nfsclienttime \ tcpstate \ - tcptrack + tcptrack \ + tcpconn SCRIPTSDIR= ${SHAREDIR}/dtrace diff --git a/share/dtrace/tcpconn b/share/dtrace/tcpconn new file mode 100755 index 0000000..5cf3c1c --- /dev/null +++ b/share/dtrace/tcpconn @@ -0,0 +1,47 @@ +#!/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 tcpconn D script shows histograms of the source of TCP connections + * + * Usage: tcpconn + */ + +#pragma D option quiet +BEGIN +{ + printf("Press Ctrl-C for output\n"); + printf("Source IP"); +} +tcp:kernel::accept-established +{ + @sources[args[2]->ip_daddr] = count(); +} +tcp:kernel::accept-refused +{ + @sources[args[2]->ip_daddr] = count(); +} |