Re: [PATCH v21 16/20] tests/avocado: s390x cpu topology entitlement tests

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 2023-07-05 at 12:22 +0200, Thomas Huth wrote:
> On 30/06/2023 11.17, Pierre Morel wrote:
> > This test takes care to check the changes on different entitlements
> > when the guest requests a polarization change.
> > 
> > Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
> > ---
> >   tests/avocado/s390_topology.py | 47
> > ++++++++++++++++++++++++++++++++++
> >   1 file changed, 47 insertions(+)
> > 
> > diff --git a/tests/avocado/s390_topology.py
> > b/tests/avocado/s390_topology.py
> > index 2cf731cb1d..4855e5d7e4 100644
> > --- a/tests/avocado/s390_topology.py
> > +++ b/tests/avocado/s390_topology.py
> > @@ -240,3 +240,50 @@ def test_polarisation(self):
> >           res = self.vm.qmp('query-cpu-polarization')
> >           self.assertEqual(res['return']['polarization'],
> > 'horizontal')
> >           self.check_topology(0, 0, 0, 0, 'medium', False)
> > +
> > +    def test_entitlement(self):
> > +        """
> > +        This test verifies that QEMU modifies the polarization
> > +        after a guest request.
> ...
> > +        self.check_topology(0, 0, 0, 0, 'low', False)
> > +        self.check_topology(1, 0, 0, 0, 'medium', False)
> > +        self.check_topology(2, 1, 0, 0, 'high', False)
> > +        self.check_topology(3, 1, 0, 0, 'high', False)
> > +
> > +        self.guest_set_dispatching('1');
> > +
> > +        self.check_topology(0, 0, 0, 0, 'low', False)
> > +        self.check_topology(1, 0, 0, 0, 'medium', False)
> > +        self.check_topology(2, 1, 0, 0, 'high', False)
> > +        self.check_topology(3, 1, 0, 0, 'high', False)
> > +
> > +        self.guest_set_dispatching('0');
> > +
> > +        self.check_topology(0, 0, 0, 0, 'low', False)
> > +        self.check_topology(1, 0, 0, 0, 'medium', False)
> > +        self.check_topology(2, 1, 0, 0, 'high', False)
> > +        self.check_topology(3, 1, 0, 0, 'high', False)
> 
> Sorry, I think I'm too blind to see it, but what has changed after
> the guest 
> changed the polarization?

Nothing, the values are retained, they're just not active.
The guest will see a horizontal polarization until it changes back to
vertical.

> 
>   Thomas
> 





[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux