Re: [PATCH v21 17/20] tests/avocado: s390x cpu topology test dedicated CPU

[Pierre Morel]

Same as for the previous test.

I rewrite this to check the guest view.


On 6/30/23 11:17, Pierre Morel wrote:
> A dedicated CPU in vertical polarization can only have
> a high entitlement.
> Let's check this.
>
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> ---
>   tests/avocado/s390_topology.py | 28 ++++++++++++++++++++++++++++
>   1 file changed, 28 insertions(+)
>
> diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py
> index 4855e5d7e4..cba44bec91 100644
> --- a/tests/avocado/s390_topology.py
> +++ b/tests/avocado/s390_topology.py
> @@ -287,3 +287,31 @@ def test_entitlement(self):
>           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)
> +
> +    def test_dedicated(self):
> +        """
> +        This test verifies that QEMU modifies the entitlement change correctly
> +        for a dedicated CPU after several guest polarization change requests.
> +
> +        :avocado: tags=arch:s390x
> +        :avocado: tags=machine:s390-ccw-virtio
> +        """
> +        self.kernel_init()
> +        self.vm.launch()
> +        self.wait_until_booted()
> +
> +        self.system_init()
> +
> +        res = self.vm.qmp('set-cpu-topology',
> +                          {'core-id': 0, 'dedicated': True})
> +        self.assertEqual(res['return'], {})
> +
> +        self.check_topology(0, 0, 0, 0, 'high', True)
> +
> +        self.guest_set_dispatching('1');
> +
> +        self.check_topology(0, 0, 0, 0, 'high', True)
> +
> +        self.guest_set_dispatching('0');
> +
> +        self.check_topology(0, 0, 0, 0, 'high', True)