From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: Network performance - iperf Date: Mon, 29 Mar 2010 19:45:17 +0200 Message-ID: <1269884717.1958.2.camel@edumazet-laptop> References: <4BB09021.6020202@petalogix.com> <1269864994.2164.21.camel@edumazet-laptop> <4BB0BF28.5090505@petalogix.com> <4BB0C6E1.2090606@petalogix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: LKML , John Williams , netdev@vger.kernel.org, Grant Likely , John Linn , "Steven J. Magnani" , Arnd Bergmann , akpm@linux-foundation.org To: michal.simek@petalogix.com Return-path: In-Reply-To: <4BB0C6E1.2090606@petalogix.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Le lundi 29 mars 2010 =C3=A0 17:27 +0200, Michal Simek a =C3=A9crit : > Michal Simek wrote: > > Eric Dumazet wrote: > >> Le lundi 29 mars 2010 =C3=A0 13:33 +0200, Michal Simek a =C3=A9cri= t : > >> > >>> Do you have any idea howto improve TCP/UDP performance in general= ? > >>> Or tests which can point me on weak places. > >> > >> Could you post "netstat -s" on your receiver, after fresh boot and= your > >> iperf session, for 32 MB and 256 MB ram case ? > >> > >=20 > > I am not sure if is helpful but look below. > >=20 > Sorry I forget to c&p that second part. :-( >=20 Sorry, your netstat is not up2date. If you cannot correct it to last version [ net-tools 1.60 , netstat 1.42 ], please send cat /proc/net/snmp cat /proc/net/netstat