[uml-devel] Re: [uml-user] [PATCH net-tools] debug improvements

[Rodrigo B. (a. morcego) <rod...@co...>]

On Tue, Dec 05, 2000 at 02:56:18PM -0800, Mooneer Salem wrote:
> [sent to user-mode-linux-devel as well]
>=20
> I'm messing with the network code at the moment. I noticed that
> the virtual ethernet driver makes a TCP connection to localhost.
> How much less overhead would be incurred if this was changed to
> use Unix sockets instead (e.g. like /tmp/mysql.sock for MySQL)?
>=20
> Right now I made a few hacks to both the user-mode utilities and
> the test11 kernel to use Unix sockets instead of TCP/IP.
> Basically the kernel opens /tmp/tapx for each virtual ethernet device
> it detects, instead of opening a connection to localhost. The user-mode
> utilities make sockets on /tmp/tapx and use those instead of TCP/IP. This
> should cut down on overhead. Once I see how stable or unstable it
> is I'll make the diffs and send them to Jeff and/or the list.

Well, I may be wrong, but I think UNIX Socket handling is actualy
slower then network socket handling (expecialy when conserning the
lo interface).
Have you benckmarked it ?

[]s

--=20
 Rodrigo Barbosa (morcego)  - rod...@co...
 Conectiva R&D Team         - http://distro.conectiva.com.br
 "Quis custodiet custodes?" - http://www.conectiva.com