autotest/virt-test — pull request #1801 by will-Do (2014-08-20 06:17:55+00:00)
Title: Add methods to get host/VM cpu topolopy

1. Add accessors for cpu_topolopy in capability xml.
2. Add three func for libvirt VM to get domian cpu topolopy from
different ways.

Signed-off-by: Yanbing Du