virt-libvirt: add configuration for virsh vcpuinfo

Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
virt-libvirt: modify vcpuinfo() in libvirt_vm.py

Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
virt-libvirt: modify vcpuinfo() in virsh.py

Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
virt-libvirt: add test for virsh vcpuinfo

Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
qemu - timedrift: Fix IndexError on Windows guests

Assign the host load cmd to a variable, so we can get
its PID without resorting to using a index list -1 to
retrieve it later. This avoids a IndexError on Windows
guests.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>