Re: [MirageOS-devel] Monitoring MirageOS guests on CubieBoard2

[Anil Madhavapeddy <anil@xxxxxxxxxx>]

On 14 May 2014, at 16:47, Jon Ludlam <jjl25@xxxxxxxxx> wrote:
> 
>> On 14/05/14 15:06, Anil Madhavapeddy wrote:
>>> On 14 May 2014, at 14:01, buzz heavyyear <buzzheavyyear@xxxxxxxxxxx> wrote:
>>> 
>>> Now that I'm having a lot of fun getting up to speed with ocaml, xen, 
>>> mirage, writing ocaml guests and getting them to run on the Cubieboard, 
>>> what I really need is to see how they are performing as they are running.
>>> 
>>> XAPI/XCP has rrd. Am I right in thinking that a good way forward is to 
>>> includegithub.com/xapi-project/xcp-rrd during the build process?
>>> 
>>> Perhaps there's an easier way? Any thoughts anyone?
>> RRD is definitely the right direction for dom0 to track guest activity, but 
>> we do need to get vchan up to speed from the guest side.  Dave, Jon, what's 
>> the current state of ocaml-vchan?  I'm happy to add a Cohttp functor for it 
>> if there's something vaguely resembling a FLOW interface (right now, it's 
>> fairly low level).
> I believe the state is 'I saw it work once recently'. There's nothing
> really resembling a flow interface, but I'm sure one could be assembled
> fairly easily.

Thanks, is there a working unit test domain anywhere?  If we're going to depend 
on vchan, it's time to get the low level bits well tested. The atomic bit ops 
particularly worrisome, and we are likely to be the first ARM vchan user (so 
let's get the x86 bugs sorted first :-)

Anil



> 
> Jon
> 
> 
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