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List:       microblaze-uclinux
Subject:    Re: [microblaze-uclinux] TCP transmit performance
From:       "Falk Brettschneider" <falk.brettschneider () gmx ! de>
Date:       2008-05-15 18:22:41
Message-ID: 20080515182241.167050 () gmx ! net
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Hmm... strange... could you send me your kernel configuration (.config), please. One thing that may be is I don't have switched on a needed feature there (?)....
CU, F@lk

P.S.: And how can I interpret the output? Where can I see the MB/s?

-------- Original-Nachricht --------
> Datum: Thu, 15 May 2008 10:10:00 -0700
> Von: Jim Van Vorst <jvanvorst@gmail.com>
> An: microblaze-uclinux@itee.uq.edu.au
> Betreff: Re: [microblaze-uclinux] TCP transmit performance

> It works fine for me.  Grumbles about the signals but still works.  I'm 
> using v0.2, no mmu.  Are you sure windows firewall isn't blocking 
> anything?  Has anyone else run netperf on v0.3?
> 
> Here is my output:
> > # netperf -d -H x.x.x.x
> > Program name: netperf
> > Local send alignment: 8
> > Local recv alignment: 8
> > Remote send alignment: 8
> > Remote recv alignment: 8
> > Report local CPU 0
> > Report remote CPU 0
> > Verbosity: 1
> > Debug: 1
> > Port: 12865
> > Test name: TCP_STREAM
> > Test bytes: 0 Test time: 10 Test trans: 0
> > Host name: x.x.x.x
> >
> > installing catcher for all signals
> > Could not install signal catcher for sig 9, errno 22
> > Could not install signal catcher for sig 19, errno 22
> > remotehost is x.x.x.x and port 12865
> > establish_control: connect completes
> > recv_response: received a 256 byte response
> > establish_control: check for connectivity ok
> > TCP STREAM TEST to x.x.x.x
> > create_data_socket: socket 5 obtained...
> > netperf: set_sock_buffer: send socket size determined to be 16384
> > netperf: set_sock_buffer: receive socket size determined to be 87380
> > send_tcp_stream: send_socket obtained...
> > recv_response: received a 256 byte response
> > remote listen done.
> > About to start a timer for 10 seconds.
> > recv_response: received a 256 byte response
> > remote results obtained
> > calculate_confidence: itr  1; time 10.016463; res  15.323304
> >                                lcpu -1.000000; rcpu -1.000000
> >                                lsdm -1.000000; rsdm -1.000000
> > Recv   Send    Send                          
> > Socket Socket  Message  Elapsed              
> > Size   Size    Size     Time     Throughput  
> > bytes  bytes   bytes    secs.    10^6bits/sec  
> >
> >   8192  16384  16384    10.02      15.32   

-- 
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