| To: | Scott Feldman <sfeldma@xxxxxxxxx> |
|---|---|
| Subject: | Re: [E1000-devel] Transmission limit |
| From: | Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> |
| Date: | Wed, 1 Dec 2004 19:29:43 +0100 |
| Cc: | jamal <hadi@xxxxxxxxxx>, Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, P@xxxxxxxxxxxxxx, mellia@xxxxxxxxxxxxxxxxxxxx, e1000-devel@xxxxxxxxxxxxxxxxxxxxx, Jorge Manuel Finochietto <jorge.finochietto@xxxxxxxxx>, Giulio Galante <galante@xxxxxxxxx>, netdev@xxxxxxxxxxx |
| In-reply-to: | <1101863399.4663.54.camel@sfeldma-mobl.dsl-verizon.net> |
| References: | <16807.20052.569125.686158@robur.slu.se> <1101484740.24742.213.camel@mellia.lipar.polito.it> <41A76085.7000105@draigBrady.com> <1101499285.1079.45.camel@jzny.localdomain> <16811.8052.678955.795327@robur.slu.se> <1101821501.1043.43.camel@jzny.localdomain> <20041130134600.GA31515@xi.wantstofly.org> <1101824754.1044.126.camel@jzny.localdomain> <20041201001107.GE4203@xi.wantstofly.org> <1101863399.4663.54.camel@sfeldma-mobl.dsl-verizon.net> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.4.1i |
On Tue, Nov 30, 2004 at 05:09:59PM -0800, Scott Feldman wrote:
> This doubles the kpps numbers for 60-byte packets. I'd like to see what
> happens on higher bus bandwidth systems. Anyone?
Dual Xeon 2.4GHz, a 82540EM and a 82541GI both on 32/66 on separate
PCI buses.
BEFORE performance is approx the same for both, ~620kpps.
AFTER performance is ~730kpps, also approx the same for both.
(Note: only sending with one NIC at a time.)
Once or twice it went into a state where it started spitting out these
kinds of messages and never recovered:
Dec 1 19:13:18 phi kernel: NETDEV WATCHDOG: eth1: transmit timed out
[...]
Dec 1 19:13:31 phi kernel: NETDEV WATCHDOG: eth1: transmit timed out
[...]
Dec 1 19:13:43 phi kernel: NETDEV WATCHDOG: eth1: transmit timed out
But overall, looks good. Strange thing that Robert's numbers didn't
improve. Doing some more measurements right now.
--L
|
| Previous by Date: | Re: [E1000-devel] Transmission limit, Robert Olsson |
|---|---|
| Next by Date: | Re: via-rhine unable to send back-to-back packets?, Lennert Buytenhek |
| Previous by Thread: | Re: [E1000-devel] Transmission limit, Robert Olsson |
| Next by Thread: | Re: [E1000-devel] Transmission limit, Lennert Buytenhek |
| Indexes: | [Date] [Thread] [Top] [All Lists] |