KVM test: Measure the timedrift after continuing a stopped vm

This test extends the timedifrt test and measures the timedirft across
the vm stopping and continuing. Two helper functions are also added in
kvm_test_utils to do the stop and continue.

Signed-off-by: Jason Wang <jasowang@redhat.com>


git-svn-id: http://test.kernel.org/svn/autotest/trunk@4634 592f7852-d20e-0410-864c-8624ca9c26a4
3 files changed