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[PATCH v26 18/21] tests/avocado: s390x cpu topology test dedicated CPU
From: |
Nina Schoetterl-Glausch |
Subject: |
[PATCH v26 18/21] tests/avocado: s390x cpu topology test dedicated CPU |
Date: |
Mon, 16 Oct 2023 20:39:22 +0200 |
From: Pierre Morel <pmorel@linux.ibm.com>
A dedicated CPU in vertical polarization can only have
a high entitlement.
Let's check this from both host and guest point of view.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
---
tests/avocado/s390_topology.py | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py
index 24fac9a54d..3661048f4c 100644
--- a/tests/avocado/s390_topology.py
+++ b/tests/avocado/s390_topology.py
@@ -305,3 +305,36 @@ def test_entitlement(self):
self.guest_set_dispatching('0');
self.check_polarization("horizontal")
self.check_topology(0, 0, 0, 0, 'high', False)
+
+
+ def test_dedicated(self):
+ """
+ This test verifies that QEMU adjusts the entitlement correctly when a
+ CPU is made dedicated.
+ QEMU retains the entitlement value when horizontal polarization is in
effect.
+ For the guest, the field shows the effective value of the entitlement.
+
+ :avocado: tags=arch:s390x
+ :avocado: tags=machine:s390-ccw-virtio
+ """
+ self.kernel_init()
+ self.vm.launch()
+ self.wait_until_booted()
+
+ self.system_init()
+
+ self.check_polarization("horizontal")
+
+ 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.check_polarization("horizontal")
+
+ self.guest_set_dispatching('1');
+ self.check_topology(0, 0, 0, 0, 'high', True)
+ self.check_polarization("vertical:high")
+
+ self.guest_set_dispatching('0');
+ self.check_topology(0, 0, 0, 0, 'high', True)
+ self.check_polarization("horizontal")
--
2.39.2
- [PATCH v26 00/21] s390x: CPU Topology, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 02/21] CPU topology: extend with s390 specifics, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 17/21] tests/avocado: s390x cpu topology entitlement tests, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 05/21] s390x/sclp: reporting the maximum nested topology entries, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 10/21] machine: adding s390 topology to query-cpu-fast, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 20/21] tests/avocado: s390x cpu topology dedicated errors, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 18/21] tests/avocado: s390x cpu topology test dedicated CPU,
Nina Schoetterl-Glausch <=
- [PATCH v26 21/21] tests/avocado: s390x cpu topology bad move, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 09/21] qapi/s390x/cpu topology: set-cpu-topology qmp command, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 07/21] s390x/cpu topology: interception of PTF instruction, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 06/21] s390x/cpu topology: resetting the Topology-Change-Report, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 08/21] target/s390x/cpu topology: activate CPU topology, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 14/21] docs/s390x/cpu topology: document s390x cpu topology, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 12/21] qapi/s390x/cpu topology: CPU_POLARIZATION_CHANGE QAPI event, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 13/21] qapi/s390x/cpu topology: add query-s390x-cpu-polarization command, Nina Schoetterl-Glausch, 2023/10/16
- [PATCH v26 16/21] tests/avocado: s390x cpu topology polarization, Nina Schoetterl-Glausch, 2023/10/16