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Re: [Xen-devel] Re: NX related build failure in latest pv_ops dom0 hacke

To: bderzhavets@xxxxxxxxx
Subject: Re: [Xen-devel] Re: NX related build failure in latest pv_ops dom0 hackery tree
From: Christophe Saout <christophe@xxxxxxxx>
Date: Sun, 12 Apr 2009 22:14:23 +0200
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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Hi Boris,

> Understood.
> --- On Sun, 4/12/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
>         What branch to check out ?

Yes, there is only the one. :-)

There is something weird with netback.  The last time as I was using
netback from the hackery tree (around 2.6.29-rc8), I got extremely poor
network performance (like 2MB/sec), now I'm getting about 60-100 MB/sec,
which is a lot better.  These numbers are obtained from just running
ttcp between the dom0 and a domU (the domU I tried was both with an only
non-pv 2.6.18 and a recent 2.6.29 pv domU kernel).  It still only uses a
very small amount of CPU and I didn't see any changes mentioning
performance issues.


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