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From: Riccardo Rangoni
To: iperf-users@dast.nlanr.net
Subject: iperf and SCTP
Date: Tue, 2 Nov :30 +0100
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i'm testing SCTP over Satellite. I have find a old version of iperf modified
to work on SCTP, but it is not complete. is there
an implementation for this
protocol ?
Riccardo Rangoni
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2 07:59:14 2004
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Date: Tue, 02 Nov :06 -0600
To: iperf-users@dast.nlanr.net
From: Jim Ferguson
Subject: Re: iperf and SCTP
Cc: iperf-users@dast.nlanr.net
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A quick search with Google [SCTP iperf] yields this paper as the first result:
http://www.openss7.org/sctp_perf.html
There is a link to a port of iperf 1.6.5 -> SCTP.
At 12:31 PM 11/2/, Riccardo Rangoni wrote:
>i'm testing SCTP over Satellite. I have find a old version of iperf modified
>to work on SCTP, but it is not complete. is there
an implementation for this
>protocol ?
>Riccardo Rangoni
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From: Riccardo Rangoni
To: iperf-users@dast.nlanr.net
Subject: Re: iperf and SCTP
Date: Tue, 2 Nov :25 +0100
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Alle 14:59, marted 2 novembre 2004, Jim Ferguson ha scritto:
> Riccardo,
> A quick search with Google [SCTP iperf] yields this paper as the first
> http://www.openss7.org/sctp_perf.html
yes, i know , but its implementation is not complete, for example there is
not multi streaming support. Now i'm changing the source code of this
application.
thanks again
> There is a link to a port of iperf 1.6.5 -> SCTP.
> At 12:31 PM 11/2/, Riccardo Rangoni wrote:
> >Hi all,
> >i'm testing SCTP over Satellite. I have find a old version of iperf
> > modified to work on SCTP, but it is not complete. is there
> > implementation for this protocol ?
> >regards
> >Riccardo Rangoni
From owner-iperf-users@dast.nlanr.net Thu Nov
4 12:27:19 2004
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iperf-users@dast.nlanr. Thu, 04 Nov :11 -0800 (PST)
Date: Thu, 04 Nov :17 -0800
From: bizhan
Subject: Help Please: UDP packet drop
To: iperf-users@dast.nlanr.net
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We are using iperf to measure the UDP packet performance and out of
order delivery on our system.
The command line on the
system under the
./iperf -s -u -i 10
We have observed maximum
throughput rate for zero UDP packet drop is:
8 MByte per second.
Is this the indication of
poor network performance,
or system or both?
Also as you all know UDP does not guarantee packet ordering, iperf
reports 0.08 percent packet reordering?
How should I interpret this?
Many Thanks in advance,
From owner-iperf-users@dast.nlanr.net Thu Nov
4 14:53:51 2004
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Date: Thu, 4 Nov :52 -0800
From: Stephen Hemminger
To: Iperf Users
Subject: iperf 2.0 config problem
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For some reason the iperf-2.0 configure isn't picking up that
Linux (Suse 9.1) supports pthreads.
The following doesn't work correctly (in configure.ac)
but I am not enough of a autoconf expert to fix...
--------------
dnl check for -lpthread
if test "$enable_threads" != then
ACX_PTHREAD()
if test "$acx_pthread_ok" = then
AC_DEFINE([HAVE_POSIX_THREAD], 1,)
AC_DEFINE([_REENTRANT], 1,)
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Date: Thu, 4 Nov :21 -0600 (CST)
From: "John S. Estabrook"
To: Iperf Users
Subject: Re: iperf 2.0 config problem
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Stephen, thanks f I'll take a look at it and email
On Thu, 4 Nov 2004, Stephen Hemminger wrote:
> For some reason the iperf-2.0 configure isn't picking up that
> Linux (Suse 9.1) supports pthreads.
> The following doesn't work correctly (in configure.ac)
> but I am not enough of a autoconf expert to fix...
> --------------
> dnl check for -lpthread
> if test "$enable_threads" != then
ACX_PTHREAD()
if test "$acx_pthread_ok" = then
AC_DEFINE([HAVE_POSIX_THREAD], 1,)
AC_DEFINE([_REENTRANT], 1,)
John S. Estabrook
jestabro@ncsa.uiuc.edu
jestabro@dast.nlanr.net
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Subject: RE: iperf 1.7.0 thread bug.
Date: Thu, 4 Nov :20 -0800
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I am having a problem with iperf
iperf version 2.0.0 (23 May 2004) single threaded
On a Sun (Newisys) V20Z AMD Opteron 64 bit machine running Linux 2.6.6
The problem is with the -i (interval option).
If I enter -i 5 I get enormous amounts of terminal output with lines like:
2iepm@v20z-1:~>iperf -c 10.10.10.3 -t 5 -i 5
------------------------------------------------------------
Client connecting to 10.10.10.3, TCP port 5001
TCP window size:
128 MByte (default)
------------------------------------------------------------
3] local 10.10.10.1 port 33365 connected with 10.10.10.3 port 5001
0.0--.1 sec
0.00 Bytes
-0.00 bits/sec
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec
It appears specifying the interval in nanoseconds, helps a bit (i.e. gets rid of a lot of junky output)e.g.
5iepm@v20z-1:~>iperf -c 10.10.10.3 -t 20 -i
------------------------------------------------------------
Client connecting to 10.10.10.3, TCP port 5001
TCP window size:
128 MByte (default)
------------------------------------------------------------
3] local 10.10.10.1 port 33367 connected with 10.10.10.3 port 5001
0.0--.8 sec
0.00 Bytes
-0.00 bits/sec
0.0-20.0 sec
4.72 GBytes
2.03 Gbits/sec
But note the interval gives 0.00 bits/sc and the seconds are wrong.
-----Original Message-----
From: owner-iperf-users@dast.nlanr.net [mailto:owner-iperf-users@dast.nlanr.net] On Behalf Of Mitch Kutzko
Sent: Wednesday, October 06,
To: Iperf Users
Subject: iperf 1.7.0 thread bug.
>Subject: iperf 1.7.0 thread bug.
>From: Stephen Hemminger
>Cc: iperf-users@dast.nlanr.net, netdev@oss.sgi.com
>Content-Type: multipart/ boundary="=-zFU1N+103e8NII/wdZk7"
>Organization: Open Source Development Lab
>Date: Tue, 05 Oct :18 -0700
>The iperf 1.7.0 hangs on AMD64, after several false starts the problem
>turned out to be that the Thread wrapper was incorrectly assumuing that
>pthread wasn't present (in Speaker.cpp), so some data sizes get messed
>up. Bedlam ensuses.
>This fixes it.
>--=-zFU1N+103e8NII/wdZk7
>Content-Description:
>Content-Disposition: filename=iperf-1.7.0.patch
>Content-Type: text/x- charset=us-ascii
>Content-Transfer-Encoding: 7bit
>--- lib/Thread.hpp.orig
11:33:14. -0700
>+++ lib/Thread.hpp
11:34:30. -0700
>@@ -56,7 +56,9 @@
> #ifndef THREAD_H
> #define THREAD_H
>+#ifdef HAVE_CONFIG_H
#include "config.h"
defined( HAVE_POSIX_THREAD )
>--=-zFU1N+103e8NII/wdZk7--
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
Project: http://dast.nlanr.net/
Personal: http://hobbes.ncsa.uiuc.edu/
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From: Huanchun Ye
To: IPerf-Users
Subject: Jperf missing in the binaries package
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I downloaded the jperf binaries package, but it seems not to have
Jperf in it. Can someone post a copy? Thanks much!
Huanchun Ye
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7 01:11:25 2004
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Date: Sun, 7 Nov :23 -0600 (CST)
From: Tanya Brethour
To: IPerf-Users
Subject: Re: Jperf missing in the binaries package
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> I downloaded the jperf binaries package, but it seems not to have
> Jperf in it. Can someone post a copy? Thanks much!
If you downloaded jperf-1.0.tar.gz it has the jperf jar files in it. You
can find that file here:
http://dast.nlanr.net/projects/jperf/jperf-1.0.tar.gz
I just downloaded and verified that it had all the correct jar files.
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From: Huanchun Ye
To: IPerf-Users
Subject: Re: Jperf missing in the binaries package
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Please ignore my previous post. I found Jperf in the jar archive.
Sorry for having acted in haste.
On Sat, 6 Nov :09 -0800, Huanchun Ye
> I downloaded the jperf binaries package, but it seems not to have
> Jperf in it. Can someone post a copy? Thanks much!
> Huanchun Ye
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>Contacting DAST re: Request for information about Iperf
>From: Sriram Kaushik
>Question/Comment:
>We need some assistance on the Windows Code for IPERF. Is there a Windows
based code for IPERF? While trying to compile the UNIX source code on
Windows PC (eVC++ 4.0 for Smartphone Emulator), we ended up with some issues.
>Any information/help in this regard will be highly appreciated!
>Thanks and Best Regards,
>Sriram Kaushik
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
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>Question/Comment:
>We need some assistance on the Windows Code for IPERF. Is there a Windows
based code for IPERF? While trying to compile the UNIX source code on
Windows PC (eVC++ 4.0 for Smartphone Emulator), we ended up with some
issues. Here are the problems that we encountered while compiling on the
mentioned platform! Any information/help in this regard will be highly
appreciated!
>Compiling...
>D:\FloriDEN\iperf-2.0\src\main.cpp(139) : error C2065:
'SetConsoleCtrlHandler' : undeclared identifier
>D:\FloriDEN\iperf-2.0\src\main.cpp(219) : error C2065:
'SERVICE_TABLE_ENTRY' : undeclared identifier
>Thanks and Best Regards,
>Sriram Kaushik
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From owner-iperf-users@dast.nlanr.net Mon Nov
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From: "John S. Estabrook"
To: Iperf Users
Subject: Re: iperf 2.0 config problem
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Thanks to Stephen and others for pointing out the problem with configuring
iperf-2.0.1 is now on the dast.nlanr.net site with the missing
acx_pthread.m4 file that was the source of the problem. Thanks again.
On Thu, 4 Nov 2004, Stephen Hemminger wrote:
> For some reason the iperf-2.0 configure isn't picking up that
> Linux (Suse 9.1) supports pthreads.
> The following doesn't work correctly (in configure.ac)
> but I am not enough of a autoconf expert to fix...
> --------------
> dnl check for -lpthread
> if test "$enable_threads" != then
ACX_PTHREAD()
if test "$acx_pthread_ok" = then
AC_DEFINE([HAVE_POSIX_THREAD], 1,)
AC_DEFINE([_REENTRANT], 1,)
John S. Estabrook
jestabro@ncsa.uiuc.edu
jestabro@dast.nlanr.net
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To: Iperf Users
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...is available for download at
http://dast.nlanr.net/projects/Iperf/
This fixes a configure problem in the previously released iperf-2.0.
John S. Estabrook
jestabro@ncsa.uiuc.edu
jestabro@dast.nlanr.net
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From: Hans Blom
To: iperf-users@dast.nlanr.net
Subject: Iperf 2.0.1 integer overflow
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Dear Iperf Developers,
Thank you for solving the Linux pthreads problem. However, there still
is an issue that could also be found in previous Iperf versions. At
Linux "unsigned long" appears to be used for the "max_size_t", resulting
in an Integer overflow at very high bandwidths:
> src/iperf -c localhost -i 2 -P 3
------------------------------------------------------------
Client connecting to localhost, TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
7] local 127.0.0.1 port 49433 connected with 127.0.0.1 port 5001
6] local 127.0.0.1 port 49432 connected with 127.0.0.1 port 5001
5] local 127.0.0.1 port 49431 connected with 127.0.0.1 port 5001
0.0- 2.0 sec
286 MBytes
1.20 Gbits/sec
0.0- 2.0 sec
304 MBytes
1.27 Gbits/sec
0.0- 2.0 sec
224 MBytes
938 Mbits/sec
0.0- 2.0 sec
813 MBytes
3.41 Gbits/sec
2.0- 4.0 sec
304 MBytes
1.27 Gbits/sec
2.0- 4.0 sec
312 MBytes
1.31 Gbits/sec
2.0- 4.0 sec
229 MBytes
959 Mbits/sec
2.0- 4.0 sec
845 MBytes
3.54 Gbits/sec
4.0- 6.0 sec
168 MBytes
703 Mbits/sec
4.0- 6.0 sec
413 MBytes
1.73 Gbits/sec
4.0- 6.0 sec
238 MBytes
999 Mbits/sec
4.0- 6.0 sec
819 MBytes
3.44 Gbits/sec
6.0- 8.0 sec
201 MBytes
844 Mbits/sec
6.0- 8.0 sec
350 MBytes
1.47 Gbits/sec
6.0- 8.0 sec
330 MBytes
1.38 Gbits/sec
6.0- 8.0 sec
881 MBytes
3.70 Gbits/sec
8.0-10.0 sec
300 MBytes
1.26 Gbits/sec
0.0-10.0 sec
1.22 GBytes
1.05 Gbits/sec
0.0-10.0 sec
1.26 GBytes
1.08 Gbits/sec
0.0-10.0 sec
1.65 GBytes
1.42 Gbits/sec
0.0-10.0 sec
140 MBytes
118 Mbits/sec
src/iperf -c localhost -i 2 -P 3
------------------------------------------------------------
Client connecting to localhost, TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
7] local 127.0.0.1 port 49561 connected with 127.0.0.1 port 5001
6] local 127.0.0.1 port 49560 connected with 127.0.0.1 port 5001
5] local 127.0.0.1 port 49559 connected with 127.0.0.1 port 5001
0.0- 2.0 sec
315 MBytes
1.32 Gbits/sec
0.0- 2.0 sec
330 MBytes
1.39 Gbits/sec
0.0- 2.0 sec
222 MBytes
931 Mbits/sec
0.0- 2.0 sec
867 MBytes
3.64 Gbits/sec
2.0- 4.0 sec
469 MBytes
1.97 Gbits/sec
2.0- 4.0 sec
285 MBytes
1.19 Gbits/sec
2.0- 4.0 sec
60.8 MBytes
255 Mbits/sec
2.0- 4.0 sec
815 MBytes
3.42 Gbits/sec
4.0- 6.0 sec
286 MBytes
1.20 Gbits/sec
4.0- 6.0 sec
455 MBytes
1.91 Gbits/sec
4.0- 6.0 sec
87.0 MBytes
365 Mbits/sec
4.0- 6.0 sec
828 MBytes
3.47 Gbits/sec
6.0- 8.0 sec
415 MBytes
1.74 Gbits/sec
6.0- 8.0 sec
202 MBytes
846 Mbits/sec
6.0- 8.0 sec
292 MBytes
1.22 Gbits/sec
6.0- 8.0 sec
909 MBytes
3.81 Gbits/sec
0.0-10.0 sec
1.55 GBytes
1.33 Gbits/sec
0.0-10.0 sec
1.78 GBytes
1.53 Gbits/sec
8.0-10.0 sec
254 MBytes
1.07 Gbits/sec
0.0-10.0 sec
915 MBytes
765 Mbits/sec
0.0-10.0 sec
4.22 GBytes
3.62 Gbits/sec
And the sum is here even larger as in the overflow example above:
1.22 + 1.26 + 1.65 = 4.13 GBytes
Would it be possible to add also in the configure script a check to use
"unsigned long long", when available?
Kind regards,
From owner-iperf-users@dast.nlanr.net Mon Nov
8 20:20:18 2004
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From: "John S. Estabrook"
To: Hans Blom
cc: iperf-users@dast.nlanr.net
Subject: Re: Iperf 2.0.1 integer overflow
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Hans, thank you very much f I am still (slowly) going
through recent posts to iperf-users (I expect to pick up the pace next
We're happy to bump the micro-version number on releases as we proceed to
address, and fix, the remaining (minor) issues with Kevin Gibbs great work
on Iperf 2.0; all comments and suggestions are most welcome.
Thanks again.
On Tue, 9 Nov 2004, Hans Blom wrote:
> Dear Iperf Developers,
> Thank you for solving the Linux pthreads problem. However, there still
> is an issue that could also be found in previous Iperf versions. At
> Linux "unsigned long" appears to be used for the "max_size_t", resulting
> in an Integer overflow at very high bandwidths:
> > src/iperf -c localhost -i 2 -P 3
> ------------------------------------------------------------
> Client connecting to localhost, TCP port 5001
> TCP window size: 64.0 KByte (default)
> ------------------------------------------------------------
7] local 127.0.0.1 port 49433 connected with 127.0.0.1 port 5001
6] local 127.0.0.1 port 49432 connected with 127.0.0.1 port 5001
5] local 127.0.0.1 port 49431 connected with 127.0.0.1 port 5001
0.0- 2.0 sec
286 MBytes
1.20 Gbits/sec
0.0- 2.0 sec
304 MBytes
1.27 Gbits/sec
0.0- 2.0 sec
224 MBytes
938 Mbits/sec
0.0- 2.0 sec
813 MBytes
3.41 Gbits/sec
2.0- 4.0 sec
304 MBytes
1.27 Gbits/sec
2.0- 4.0 sec
312 MBytes
1.31 Gbits/sec
2.0- 4.0 sec
229 MBytes
959 Mbits/sec
2.0- 4.0 sec
845 MBytes
3.54 Gbits/sec
4.0- 6.0 sec
168 MBytes
703 Mbits/sec
4.0- 6.0 sec
413 MBytes
1.73 Gbits/sec
4.0- 6.0 sec
238 MBytes
999 Mbits/sec
4.0- 6.0 sec
819 MBytes
3.44 Gbits/sec
6.0- 8.0 sec
201 MBytes
844 Mbits/sec
6.0- 8.0 sec
350 MBytes
1.47 Gbits/sec
6.0- 8.0 sec
330 MBytes
1.38 Gbits/sec
6.0- 8.0 sec
881 MBytes
3.70 Gbits/sec
8.0-10.0 sec
300 MBytes
1.26 Gbits/sec
0.0-10.0 sec
1.22 GBytes
1.05 Gbits/sec
0.0-10.0 sec
1.26 GBytes
1.08 Gbits/sec
0.0-10.0 sec
1.65 GBytes
1.42 Gbits/sec
0.0-10.0 sec
140 MBytes
118 Mbits/sec
> This overflow makes Iperf unsuited for 10 Gbit/s links.
> However, when I change in "include/headers.h"
> #ifdef HAVE_INT64_T
> typedef int64_t max_size_t;
> typedef unsigned long max_size_t;
> #endif // HAVE_INT64_T
> #ifdef HAVE_INT64_T
> typedef int64_t max_size_t;
> typedef unsigned long long max_size_t;
> #endif // HAVE_INT64_T
> such that "unsigned long long" has been forced to use, the overflow
> problem seems to be solved:
> > src/iperf -c localhost -i 2 -P 3
> ------------------------------------------------------------
> Client connecting to localhost, TCP port 5001
> TCP window size: 64.0 KByte (default)
> ------------------------------------------------------------
7] local 127.0.0.1 port 49561 connected with 127.0.0.1 port 5001
6] local 127.0.0.1 port 49560 connected with 127.0.0.1 port 5001
5] local 127.0.0.1 port 49559 connected with 127.0.0.1 port 5001
0.0- 2.0 sec
315 MBytes
1.32 Gbits/sec
0.0- 2.0 sec
330 MBytes
1.39 Gbits/sec
0.0- 2.0 sec
222 MBytes
931 Mbits/sec
0.0- 2.0 sec
867 MBytes
3.64 Gbits/sec
2.0- 4.0 sec
469 MBytes
1.97 Gbits/sec
2.0- 4.0 sec
285 MBytes
1.19 Gbits/sec
2.0- 4.0 sec
60.8 MBytes
255 Mbits/sec
2.0- 4.0 sec
815 MBytes
3.42 Gbits/sec
4.0- 6.0 sec
286 MBytes
1.20 Gbits/sec
4.0- 6.0 sec
455 MBytes
1.91 Gbits/sec
4.0- 6.0 sec
87.0 MBytes
365 Mbits/sec
4.0- 6.0 sec
828 MBytes
3.47 Gbits/sec
6.0- 8.0 sec
415 MBytes
1.74 Gbits/sec
6.0- 8.0 sec
202 MBytes
846 Mbits/sec
6.0- 8.0 sec
292 MBytes
1.22 Gbits/sec
6.0- 8.0 sec
909 MBytes
3.81 Gbits/sec
0.0-10.0 sec
1.55 GBytes
1.33 Gbits/sec
0.0-10.0 sec
1.78 GBytes
1.53 Gbits/sec
8.0-10.0 sec
254 MBytes
1.07 Gbits/sec
0.0-10.0 sec
915 MBytes
765 Mbits/sec
0.0-10.0 sec
4.22 GBytes
3.62 Gbits/sec
> And the sum is here even larger as in the overflow example above:
1.22 + 1.26 + 1.65 = 4.13 GBytes
> Would it be possible to add also in the configure script a check to use
> "unsigned long long", when available?
Kind regards,
John S. Estabrook
jestabro@ncsa.uiuc.edu
jestabro@dast.nlanr.net
From owner-iperf-users@dast.nlanr.net Tue Nov
9 20:01:55 2004
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Subject: RE: iperf 1.7.0 thread bug.
Date: Tue, 9 Nov :58 -0800
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From: "Cottrell, Les"
Cc: "Gupta, Ruchi" ,
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We have sorted out (by-passed) the iperf problem. The version we were using was compiled for 64bit AMD Opteron 2.0. We had to back out to a 32 bit, ie. We changed to:
[root@scsl-2 iepm]# iperf -v
iperf version 1.7.0 (13 Mar 2003) pthreads
14iepm@v20z-4:~>iperf -v
iperf version 2.0.0 (23 May 2004) single threaded
Now all is well.
-----Original Message-----
From: owner-iperf-users@dast.nlanr.net [mailto:owner-iperf-users@dast.nlanr.net] On Behalf Of Cottrell, Les
Sent: Thursday, November 04,
To: iperf-users@dast.nlanr.net
Cc: Gupta, R R.Hughes-Jones@man.ac.uk
Subject: RE: iperf 1.7.0 thread bug.
I am having a problem with iperf
iperf version 2.0.0 (23 May 2004) single threaded
On a Sun (Newisys) V20Z AMD Opteron 64 bit machine running Linux 2.6.6
The problem is with the -i (interval option).
If I enter -i 5 I get enormous amounts of terminal output with lines like:
2iepm@v20z-1:~>iperf -c 10.10.10.3 -t 5 -i 5
------------------------------------------------------------
Client connecting to 10.10.10.3, TCP port 5001
TCP window size:
128 MByte (default)
------------------------------------------------------------
3] local 10.10.10.1 port 33365 connected with 10.10.10.3 port 5001 [
0.0--.1 sec
0.00 Bytes
-0.00 bits/sec [
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec [
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec [
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec [
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec [
3] -.1--.1 sec
0.00 Bytes
0.00 bits/sec
It appears specifying the interval in nanoseconds, helps a bit (i.e. gets rid of a lot of junky output)e.g.
5iepm@v20z-1:~>iperf -c 10.10.10.3 -t 20 -i
------------------------------------------------------------
Client connecting to 10.10.10.3, TCP port 5001
TCP window size:
128 MByte (default)
------------------------------------------------------------
3] local 10.10.10.1 port 33367 connected with 10.10.10.3 port 5001 [
0.0--.8 sec
0.00 Bytes
-0.00 bits/sec [
0.0-20.0 sec
4.72 GBytes
2.03 Gbits/sec
But note the interval gives 0.00 bits/sc and the seconds are wrong.
-----Original Message-----
From: owner-iperf-users@dast.nlanr.net [mailto:owner-iperf-users@dast.nlanr.net] On Behalf Of Mitch Kutzko
Sent: Wednesday, October 06,
To: Iperf Users
Subject: iperf 1.7.0 thread bug.
>Subject: iperf 1.7.0 thread bug.
>From: Stephen Hemminger
>Cc: iperf-users@dast.nlanr.net, netdev@oss.sgi.com
>Content-Type: multipart/ boundary="=-zFU1N+103e8NII/wdZk7"
>Organization: Open Source Development Lab
>Date: Tue, 05 Oct :18 -0700
>The iperf 1.7.0 hangs on AMD64, after several false starts the problem
>turned out to be that the Thread wrapper was incorrectly assumuing that
>pthread wasn't present (in Speaker.cpp), so some data sizes get messed
>up. Bedlam ensuses.
>This fixes it.
>--=-zFU1N+103e8NII/wdZk7
>Content-Description:
>Content-Disposition: filename=iperf-1.7.0.patch
>Content-Type: text/x- charset=us-ascii
>Content-Transfer-Encoding: 7bit
>--- lib/Thread.hpp.orig
11:33:14. -0700
>+++ lib/Thread.hpp
11:34:30. -0700
>@@ -56,7 +56,9 @@
> #ifndef THREAD_H
> #define THREAD_H
>+#ifdef HAVE_CONFIG_H
#include "config.h"
defined( HAVE_POSIX_THREAD )
>--=-zFU1N+103e8NII/wdZk7--
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
Project: http://dast.nlanr.net/
Personal: http://hobbes.ncsa.uiuc.edu/
From owner-iperf-users@dast.nlanr.net Wed Nov 10 09:28:09 2004
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Date: Wed, 10 Nov :46 -0600
To: iperf-users@dast.nlanr.net
From: Jim Ferguson
Subject: SC2004 demos, today 3:30
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Apologies for the non-technical content here...
For those of you on this list that are attending SC2004, there will be some
demos of the latest NLANR Tools at the NCSA booth at 3:30pm this afternoon
(Wednesday).
Joerg Micheel from NLANR/MNA will talk about his passive
measurement project, Tanya Brethour of NLANR/DAST will talk about the
latest (v. 1.2) of the Network Performance Advisor, and Mitch Kutzko
(NLANR/DAST) will give a short demo on the new and improved Multicast
Beacon being used by SC Global here, among other places.
J. W. Ferguson ()
Distributed Applications Support Team
National Laboratory for Applied Network Research (NLANR)
NCSA - University of Illinois
Ph. (217) 244-1974
From owner-iperf-users@dast.nlanr.net Wed Nov 10 09:40:29 2004
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Subject: RE: SC2004 demos, today 3:30 (UNCLASSIFIED)
Date: Wed, 10 Nov :04 -0500
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------_=_NextPart_001_01C4C73B.689C5410
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Classification:
UNCLASSIFIED
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For those of us that are not attending, are there any sites where we can get info on these issues, particularly the passive measurement project. Thanks for anything you provide.
-----Original Message-----
From: Jim Ferguson [mailto:ferguson@ncsa.uiuc.edu]
Sent: Wednesday, November 10,
To: iperf-users@dast.nlanr.net
Subject: SC2004 demos, today 3:30
Apologies for the non-technical content here...
For those of you on this list that are attending SC2004, there will be some demos of the latest NLANR Tools at the NCSA booth at 3:30pm this afternoon (Wednesday).
Joerg Micheel from NLANR/MNA will talk about his passive measurement project, Tanya Brethour of NLANR/DAST will talk about the latest (v. 1.2) of the Network Performance Advisor, and Mitch Kutzko
(NLANR/DAST) will give a short demo on the new and improved Multicast Beacon being used by SC Global here, among other places.
J. W. Ferguson ()
Distributed Applications Support Team
National Laboratory for Applied Network Research (NLANR) NCSA - University of Illinois Ph. (217) 244-1974
Classification:
UNCLASSIFIED
Caveats: NONE
------_=_NextPart_001_01C4C73B.689C5410
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From: Jim Ferguson
>[mailto:ferguson@ncsa.uiuc.edu]
>Sent: Wednesday, November 10,
>To: iperf-users@dast.nlanr.net
>Subject: SC2004 demos, today 3:30
>Apologies for the non-technical content here...
>For those of you on this list that are attending SC2004, there will be
>some demos of the latest NLANR Tools at the NCSA booth at 3:30pm this
>afternoon (Wednesday).
Joerg Micheel from NLANR/MNA will talk about his
>passive measurement project, Tanya Brethour of NLANR/DAST will talk about
>the latest (v. 1.2) of the Network Performance Advisor, and Mitch Kutzko
>(NLANR/DAST) will give a short demo on the new and improved Multicast
>Beacon being used by SC Global here, among other places.
>J. W. Ferguson ()
>Distributed Applications Support Team
>National Laboratory for Applied Network Research (NLANR) NCSA - University
>of Illinois Ph. (217) 244-1974
>Classification:
UNCLASSIFIED
>Caveats: NONE
--=====================_==_.ALT
Content-Type: text/ charset="us-ascii"
is a good place to start for the PMA project that Joerg is doing, plus
other projects.
has info on The Advisor, Multicast Beacon, and other projects.
At 10:39 AM 11/10/, you wrote:
Classification:
UNCLASSIFIED
Caveats: NONE
For those of us that are not attending, are there any sites where we can get info on these issues, particularly the passive measurement project. Thanks for anything you provide.
-----Original Message-----
From: Jim Ferguson []
Sent: Wednesday, November 10,
To: iperf-users@dast.nlanr.net
Subject: SC2004 demos, today 3:30
Apologies for the non-technical content here...
For those of you on this list that are attending SC2004, there will be some demos of the latest NLANR Tools at the NCSA booth at 3:30pm this afternoon (Wednesday).& Joerg Micheel from NLANR/MNA will talk about his passive measurement project, Tanya Brethour of NLANR/DAST will talk about the latest (v. 1.2) of the Network Performance Advisor, and Mitch Kutzko
(NLANR/DAST) will give a short demo on the new and improved Multicast Beacon being used by SC Global here, among other places.
J. W. Ferguson ()
Distributed Applications Support Team
National Laboratory for Applied Network Research (NLANR) NCSA - University of Illinois Ph. (217) 244-1974
Classification:
UNCLASSIFIED
Caveats: NONE
--=====================_==_.ALT--
From owner-iperf-users@dast.nlanr.net Wed Nov 10 12:47:22 2004
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Date: Wed, 10 Nov :16 -0600
To: Iperf Users
From: Mitch Kutzko
Subject: DAST: Iperf - alex_
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>Date: Wed, 10 Nov :37 -0600
>From: Apache
>To: alex_
>Subject: DAST: Iperf - alex_
>Contacting DAST re: Request for information about Iperf
>From: Alex Edwards
>Question/Comment:
>When using iperf with a Windows OS, does the -w option (iperf TCP)
actually change the TCP Window Size?
>On Windows, the TCP Window Size is a registry value. The registry value
would have to be changed and the PC rebooted for it to take effect. On my
particular setup (Windows 2000), the registry values were not even in their
allocated location in the registry. I had to find a document which gave the
name of the registry value used by Windows for the TCP Window Size, add the
value into the required location in the registry
(HKEY_LOCATION_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters),
and then reboot. After all this, I'm not even sure the change took effect!
>So, I'm curious to know how iperf achieves this with just an additional
parameter!
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
Project: http://dast.nlanr.net/
Personal: http://hobbes.ncsa.uiuc.edu/
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Date: Wed, 10 Nov :54 -0600
To: Iperf Users
From: Mitch Kutzko
Subject: DAST: Iperf - perry@cs.waikato.ac.nz
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>Date: Wed, 10 Nov :35 -0600
>From: Apache
>To: perry@cs.waikato.ac.nz
>Subject: DAST: Iperf - perry@cs.waikato.ac.nz
>Contacting DAST re: Bug report about Iperf
>From: Perry Lorier
>Question/Comment:
>There is a bug in the ./configure script for iperf which
>incorrectly fails to configure the 64bit support to the
>application.
When combined with it correctly determining
>the printf(3) format specifier, this corrupts it's output,
>especially when used with the CSV format code.
>This patch fixes it:
>diff -ur iperf-2.0.1/configure.ac iperf-2.0.1.new/configure.ac
>--- iperf-2.0.1/configure.ac
09:14:18. +1300
>+++ iperf-2.0.1.new/configure.ac
14:46:02. +1300
>@@ -78,16 +78,25 @@
> dnl these intXX_t and u_intXX_t need to be defined to be the right size.
>+AC_CHECK_SIZEOF(char)
> AC_CHECK_SIZEOF(short)
> AC_CHECK_SIZEOF(int)
> AC_CHECK_SIZEOF(long)
> AC_CHECK_SIZEOF(long long)
>+AC_CHECK_SIZEOF(char)
> AC_CHECK_SIZEOF(unsigned short)
> AC_CHECK_SIZEOF(unsigned int)
> AC_CHECK_SIZEOF(unsigned long)
> AC_CHECK_SIZEOF(unsigned long long)
>+AH_TEMPLATE(HAVE_INT16_T)
>+AH_TEMPLATE(HAVE_INT32_T)
>+AH_TEMPLATE(HAVE_INT64_T)
>+AH_TEMPLATE(HAVE_U_INT16_T)
>+AH_TEMPLATE(HAVE_U_INT32_T)
>+AH_TEMPLATE(HAVE_U_INT64_T)
> AH_TEMPLATE(int16_t)
> AH_TEMPLATE(int32_t)
> AH_TEMPLATE(int64_t)
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
Project: http://dast.nlanr.net/
Personal: http://hobbes.ncsa.uiuc.edu/
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Date: Fri, 12 Nov :38 -0600
To: Iperf Users
From: Mitch Kutzko
Subject: DAST: Iperf - alan@columbia.edu
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>Date: Thu, 11 Nov :06 -0600
>From: Apache
>To: alan@columbia.edu
>Subject: DAST: Iperf - alan@columbia.edu
>Contacting DAST re: Feature request about Iperf
>From: Alan Crosswell
>Question/Comment:
>Date: Thu, 11 Nov :51 -0500
>From: Alan Crosswell
>Subject: iperf support for SSM?
>Any chance of (S,G) join support being added to iperf?
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
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Personal: http://hobbes.ncsa.uiuc.edu/
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To: Iperf Users
From: Mitch Kutzko
Subject: DAST: Iperf - alan@columbia.edu
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>Date: Thu, 11 Nov :03 -0600
>From: Apache
>To: alan@columbia.edu
>Subject: DAST: Iperf - alan@columbia.edu
>Contacting DAST re: Bug report about Iperf
>From: Alan Crosswell
>Question/Comment:
>Date: Thu, 11 Nov :16 -0500
>From: Alan Crosswell
>Subject: iperf 2.0.1 not setting TTL
>iperf -u -c 224.5.6.7 -p 8910 -T 10 -b 1 -i 5 -t 1200
>fails to set the ttl.
tcpdump shows the ttl=1.
Same exact invocation with
>1.7.0 works correctly.
Mitch Kutzko | mitch@dast.nlanr.net | mitch@ncsa.uiuc.edu | 217-333-1199
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From: Jason Hammerschmidt
To: "'iperf-users@dast.nlanr.net'"
Subject: Transfer vs. Bandwidth
Date: Tue, 16 Nov :54 -0500
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Greetings,
Couldn't find this answer so I'm posting to the mailing list.
Can anyone
explain how a Transfer of 96.0MBytes over 10.0 seconds equates to
80.4Mbits/sec?
My math 96Mbytes * 8 bits per byte / 10 seconds = 76.8Mbps,
close but not exactly the same as the reported output from iperf (see
I'm running iperf 1.7.0 pthreads on Mac OS X 10.3.3
iperf -c 172.16.155.74
------------------------------------------------------------
Client connecting to 172.16.155.74, TCP port 5001
TCP window size: 65.0 KByte (default)
----------------------------------------------------
3] local 10.150.0.89 port 50722 connected with 172.16.155.74 port 5001
[ ID] Interval
0.0-10.0 sec
96.0 MBytes
80.4 Mbits/sec
From owner-iperf-users@dast.nlanr.net Tue Nov 16 15:31:40 2004
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Tue, 16 Nov :31 -0800
Date: Tue, 16 Nov :30 -0800
From: Stephen Hemminger
To: iperf-users@dast.nlanr.net
Subject: Re: Transfer vs. Bandwidth
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References:
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On Tue, 16 Nov :54 -0500
Jason Hammerschmidt
> Greetings,
Couldn't find this answer so I'm posting to the mailing list.
Can anyone
> explain how a Transfer of 96.0MBytes over 10.0 seconds equates to
> 80.4Mbits/sec?
My math 96Mbytes * 8 bits per byte / 10 seconds = 76.8Mbps,
> close but not exactly the same as the reported output from iperf (see
I'm running iperf 1.7.0 pthreads on Mac OS X 10.3.3
> iperf -c 172.16.155.74
> ------------------------------------------------------------
> Client connecting to 172.16.155.74, TCP port 5001
> TCP window size: 65.0 KByte (default)
> ----------------------------------------------------
3] local 10.150.0.89 port 50722 connected with 172.16.155.74 port 5001
> [ ID] Interval
0.0-10.0 sec
96.0 MBytes
80.4 Mbits/sec
The confusion arises because iperf is following the common usage and
converting the definition of "mega" when going from measurement of
storage to communication.
MBytes for space are measured Mega
rates are measured with mega = 1000000
8 * 96 * 1024 * 1024 =
http://en.wikipedia.org/wiki/Megabyte
From owner-iperf-users@dast.nlanr.net Tue Nov 16 17:05:37 2004
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Date: Tue, 16 Nov :15 -0700
From: "Matthew Paul Bohnsack"
To: iperf-users@dast.nlanr.net
Subject: Re: Transfer vs. Bandwidth
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Reply-To: iperf-users@dast.nlanr.net
* Stephen Hemminger
[Nov 16, 2004 at 03:49:14PM MST]:
> On Tue, 16 Nov :54 -0500
> Jason Hammerschmidt
> > iperf -c 172.16.155.74
> > ------------------------------------------------------------
> > Client connecting to 172.16.155.74, TCP port 5001
> > TCP window size: 65.0 KByte (default)
> > ----------------------------------------------------
3] local 10.150.0.89 port 50722 connected with 172.16.155.74 port 5001
> > [ ID] Interval
0.0-10.0 sec
96.0 MBytes
80.4 Mbits/sec
> The confusion arises because iperf is following the common usage and
> converting the definition of "mega" when going from measurement of
> storage to communication.
> MBytes for space are measured Mega
> rates are measured with mega = 1000000
> 8 * 96 * 1024 * 1024 =
> http://en.wikipedia.org/wiki/Megabyte
Shouldn't you be using the SI prefixes for binary multiples in this
Mi = 2^(20), etc.
[ ID] Inter