• Jason Wang's avatar
    Add tests for kvm-clock · ce83c7ad
    Jason Wang authored
    This patch implements three tests for kvmclock. First one check whether
    the date of time returned by kvmclock matches the value got from
    host. Second one check whether the cycle of kvmclock grows
    monotonically in smp guest and the count of warps and stalls are also
    recorded. The last test is a performance test to measure the guest
    cycles cost when trying to read cycle of kvmclock.
    Three parameters were accepted by the test: test loops, seconds
    since 1970-01-01 00:00:00 UTC which could be easily get through date
    +%s and the max accepted offset value between the tod of guest and
    Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
    Signed-off-by: default avatarAvi Kivity <avi@redhat.com>