Re: [hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Andrew Cooper
On 26/12/2013 22:52, Brice Goglin wrote: > Hello, > How would you like the user to switch from the fake/guest topology to > the real/host topology in practice? Most applications may still want > fake/guest topos (so that binding works etc) while admins and only some > (advanced?) users will want

Re: [hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Brice Goglin
Hello, How would you like the user to switch from the fake/guest topology to the real/host topology in practice? Most applications may still want fake/guest topos (so that binding works etc) while admins and only some (advanced?) users will want the real/host topology. We can easily make Xen lower

Re: [hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Andrew Cooper
On 26/12/2013 22:39, Samuel Thibault wrote: > Andrew Cooper, le Thu 26 Dec 2013 23:31:36 +0100, a écrit : >> On 26/12/2013 21:43, Samuel Thibault wrote: >>> Andrew Cooper, le Thu 26 Dec 2013 22:17:38 +0100, a écrit : I believe can make a topology-xen.c without too much trouble. It likely

Re: [hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Samuel Thibault
Andrew Cooper, le Thu 26 Dec 2013 23:31:36 +0100, a écrit : > On 26/12/2013 21:43, Samuel Thibault wrote: > > Andrew Cooper, le Thu 26 Dec 2013 22:17:38 +0100, a écrit : > >> I believe can make a topology-xen.c without too much trouble. It likely > >> wants to checked before an os-specific hook

Re: [hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Samuel Thibault
Samuel Thibault, le Thu 26 Dec 2013 22:43:35 +0100, a écrit : > Andrew Cooper, le Thu 26 Dec 2013 22:17:38 +0100, a écrit : > > I believe can make a topology-xen.c without too much trouble. It likely > > wants to checked before an os-specific hook (Xen dom0's come in at least > > Linux, FreeBSD,

Re: [hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Samuel Thibault
Hello, Andrew Cooper, le Thu 26 Dec 2013 22:17:38 +0100, a écrit : > I believe can make a topology-xen.c without too much trouble. It likely > wants to checked before an os-specific hook (Xen dom0's come in at least > Linux, FreeBSD, NetBSD flavours which have mainstream support) > Are there any

[hwloc-devel] Creating a topology generation method for Xen

2013-12-26 Thread Andrew Cooper
Hello, I am looking to add an ability for hwloc to be able to access the system topology when operating in the control domain (dom0) of a Xen virtualisation environment. At the moment, lstopo picks up the VM faked topology. To avoid OS schedulers attempting to be 'clever' with their topology,