[libvirt] [PATCHv3 2/4] qemu, lxc: Change host CPU number detection logic.

Eric Blake eblake at redhat.com
Thu Nov 15 15:54:15 UTC 2012

On 11/13/2012 05:54 AM, Viktor Mihajlovski wrote:
> The drivers for QEMU and LXC use virNodeGetInfo only to determine
> the number of host CPUs. On Linux hosts nodeGetCPUCount has less
> overhead.
> ---
> V3 Changes:
> Commit message wording, since Peter's fix, nodeGetInfo will return
> correct/consistent topology. Still, this here is more efficient.

Indeed - parsing cpu/present (when available) is much faster than
parsing each of cpu/cpuNN/online.

ACK and pushed.

Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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