Re: [Xen-introspect] Status Update

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 15:37 +0100 on 03 Jun (1244043432), Ian Pratt wrote:
> I'd very much like to see the ability to add type-codes to pages that
>  enable synchronous and asynchronous triggers[*] to be delivered to a
>  "monitor application" when pages are accessed, written, or
>  executed[**]. These events can be captured through a fairly simple
>  modification to the HAP and shadow code, and then delivered to the
>  nominated monitor application in a manner very similar to the
>  mechanism used for delivering IO and MMIO events to qemu-dm.

Yes, I've wanted to do this sort of thing for years.  Part of it is
already being developed as part of Patrick Colp's paging patches
(i.e. synchronous alerts that a guest page is missing).  Adding other
similar types later will be straightforward.

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

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