Re: Re: [Xen-users] pfsense HVM network performance

[Matej Zary <zary@xxxxxxxxx>]

On Wed, 2010-06-09 at 00:45 +0100, Jonathan Tripathy wrote:
> 
> On 09/06/10 00:39, Matej Zary wrote: 
> > On Tue, 2010-06-08 at 17:45 -0500, Dustin Marquess wrote:
> > > Did you try recompiling the pfsense FreeBSD kernel using the
> > XENHVM
> > > kernel config?  That way you'll get get PV drivers for network &
> > disk
> > > I/O, which should help a lot.
> > >
> > >
> > > -Dustin
> > >
> > > On Tue, Jun 8, 2010 at 3:30 PM, Jonathan Tripathy
> > <jonnyt@xxxxxxxxxxx>
> > > wrote:
> > >         Hi Everyone,
> > >        
> > >         Just to let everyone know of my experience of network
> > speed on
> > >         pfsense HVM.
> > >        
> > >         Initially, I started off by doing PCI passthrough for my
> > WAN
> > >         NIC, and used e1000 emulation for LAN. Speed was capping
> > at
> > >         90Mbp/s.
> > >        
> > >         When both were set to e1000, speed was capping at 30Mbp/s
> > >        
> > >         When LAN was set to e1000 and WAN was set to default
> > (rl8xxx),
> > >         speed was capping at 71Mbp/s.
> > >        
> > >         I wish I could have stayed with the first option, however
> > my
> > >         link speed is only detected at 10Mbps unless I take the
> > cable
> > >         out and in 2 or 3 times.
> > >        
> > >         Any tips on the above? In some cases, to get the above
> > speed,
> > >         I had to enable "device polling" in pfsense
> > >        
> > >         Thanks
> > >        
> > >         _______________________________________________
> > >         Xen-users mailing list
> > >         Xen-users@xxxxxxxxxxxxxxxxxxx
> > >         http://lists.xensource.com/xen-users
> > >
> > >
> > 
> > Should be worth the effort - in my case, I got better throughput
> > with
> > bridged virtual PV NIC than with PCI passed-thru physical NIC (668
> > mbit/s against 534 mbit/s!). Shoddy HW (Realtek PCI NICs etc, no
> > IOMMU
> > on mobo), but the point - PV makes HUGE difference (compared with
> > pure
> > HVM) so it's worth the hassle. :)
> > 
> > 
> > 
> 
> Not bad
> 
> But where do I find a howto on how to do this?
> 
> Thanks

Well, can't say I know FreeBSD or pfSense (does it use the same "core"
system as FreeBSD?), but this might help a little (or might not at
all :D) - http://forums.freebsd.org/showthread.php?t=10268. 

Regards

Matej

http://forums.freebsd.org/showthread.php?t=10268

<<attachment: winmail.dat>>

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users