[Xen-devel] Modifying xentop

[Carlo Bertoldi <mcbain@xxxxxxxxxx>]

Hi,
 I'd like to extend xentop, so after some study I realized that I have 
to start extending libxenstat. Let's say I want to know how many 
free_pages a domain has, so I added a field in xen_sysctl_physinfo 
(include/xen/interface/sysctl.h) and one in xen_domctl_getdomaininfo 
(include/xen/interface/domctl.h). CIIW, I think the flow is like: 
libxenstat -> libxc -> xc_physinfo -> ? I think that here I've got to 
check the kernel side interface in drivers/xen/privcmd/privcmd.c but I 
can't find anything that takes care of handling some physinfo struct.
Am I completely off road here? Do I have to look into the hypervisor 
instead of the guest kernel?
Thanks,
 Carlo

--
È molto più bello sapere qualcosa di tutto, che sapere tutto di una cosa.

Blaise Pascal

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