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Re: [Xen-devel] XEN Hypervisor Lines Of Code

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] XEN Hypervisor Lines Of Code
From: "Lil Evil" <Lil_Evil@xxxxxx>
Date: Thu, 11 Sep 2008 12:48:47 +0200
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> > Hi
> > 
> > I was just wondering if anybody keeps a record of the LOC (privileged
> LOC) in
> > the XEN Hypervisor.
> > I was under the (false???) impression that the Hypervisor consists of a
> couple
> > of tens of thousand privileged LOCs.
> > I am somewhat surprised  about Joanna Rutkowskas statement about the
> 300k LOC
> > in Xen 3.3.
> > Does anybody have different (same) numbers?
> The number has been growing. For an x86 build, if I exclude IA64 and XSM
> components (usually not built) I count about 200k LOC. If I further
> exclude
> header files (generally don't have much code in them) then I end up about
> 150k LOC.
> So that's a more reasonable estimate in my opinion, at about half Joanna's
> figure. Obviously this is still rather larger than historical figures for
> Xen version 1 or Xen version 2.
>  -- Keir
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After looking at the tree, I would say that this sounds more likely. 
Maybe, http://www.xen.org/xen/ deserves an updated concerning this - or the 
number should be removed at all to prevent confusion.


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