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

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 11/9/08 11:11, "Lil Evil" <Lil_Evil@xxxxxx> wrote:

> 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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