On Tue, 2015-02-24 at 12:41 +0000, Anthony PERARD wrote: > Hi, > > A recent OpenStack nova commit make use of virNodeGetCPUMap to get the list > of online cpu of a host. But this API is not implemented for the libvirt > xen driver. > > The commit: > Add handling for offlined CPUs to the nova libvirt driver. > https://review.openstack.org/gitweb?p=openstack/nova.git;a=commitdiff;h=0696a5cd5f0fdc08951a074961bb8ce0c3310086 > > Is there a need to use this under Xen? (Is it possible to have offline > CPU?). Yes, I think so. No idea how you use it though. > What libxl API those provide this information, if it exist? > > I found libxl_get_online_cpus() but that not enough. They want a > bitmap. I think that is all which currently exists, at least at the libxl level, you may need to add a new interface. It'd be worth looking into the various host numa interfaces -- perhaps one of them indirectly exposes what you want? Ian. -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list