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xen-tools
[Xen-tools] Re: [Xen-devel] [PATCH][RFC] xenstat framework and vm-top
> >First of all, I agree that we don't want to support yet another API.
Do we have a policy on compatibility in the tools? The Xen / backends ABI is
obviously sacred but is userspace control plane stuff also included...?
> >I'd like to point out, however, that applications being built to manage
> >xen systems in a clustered environment - whether through CIM, XML-RPC,
> >or what have you - will need an API to query this information rather
> >than invoking commands like xentop/vm-top or xm.
>
> Yeah, there's a bit more we're probably going to need too beyond just
> the info provided by libxenstat. We'll have to identify those things
> and then (perhaps using libxenstat as a base) build an API (assuming we
> can't get the store to contain that function by then).
I think libxenstat might as well be kept as a base for this work... IMHO, it
should at least stay separate in the source for now. vm-top / xentop could
be statically linked with it for now, OR it could be stashed
under /usr/lib/xen/lib, depending on ABI issues.
> >>2) rename vm-top to xentop
> >>3) install xentop to /usr/lib/xen/xentop
> >>4) add xm top that invokes /usr/lib/xen/xentop
Regarding the tool naming: xentop probably makes more sense, I guess. I
hadn't thought of invoking it from xm but it's probably sensible as this'll
match up with the model used by other tools.
Cheers,
Mark
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