[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 18/25] tests/avocado: s390x cpu topology test dedicated CPU
From: |
Thomas Huth |
Subject: |
[PULL 18/25] tests/avocado: s390x cpu topology test dedicated CPU |
Date: |
Wed, 18 Oct 2023 15:07:09 +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>
Message-ID: <20231016183925.2384704-19-nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.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")
--
2.41.0
- [PULL 11/25] machine: adding s390 topology to info hotpluggable-cpus, (continued)
- [PULL 11/25] machine: adding s390 topology to info hotpluggable-cpus, Thomas Huth, 2023/10/18
- [PULL 09/25] qapi/s390x/cpu topology: set-cpu-topology qmp command, Thomas Huth, 2023/10/18
- [PULL 12/25] qapi/s390x/cpu topology: CPU_POLARIZATION_CHANGE QAPI event, Thomas Huth, 2023/10/18
- [PULL 17/25] tests/avocado: s390x cpu topology entitlement tests, Thomas Huth, 2023/10/18
- [PULL 13/25] qapi/s390x/cpu topology: add query-s390x-cpu-polarization command, Thomas Huth, 2023/10/18
- [PULL 21/25] tests/avocado: s390x cpu topology bad move, Thomas Huth, 2023/10/18
- [PULL 24/25] target/s390x/kvm: Simplify the GPRs, ACRs, CRs and prefix synchronization code, Thomas Huth, 2023/10/18
- [PULL 22/25] hw/s390x: Clean up global variable shadowing in quiesce_powerdown_req(), Thomas Huth, 2023/10/18
- [PULL 15/25] tests/avocado: s390x cpu topology core, Thomas Huth, 2023/10/18
- [PULL 14/25] docs/s390x/cpu topology: document s390x cpu topology, Thomas Huth, 2023/10/18
- [PULL 18/25] tests/avocado: s390x cpu topology test dedicated CPU,
Thomas Huth <=
- [PULL 19/25] tests/avocado: s390x cpu topology test socket full, Thomas Huth, 2023/10/18
- [PULL 20/25] tests/avocado: s390x cpu topology dedicated errors, Thomas Huth, 2023/10/18
- [PULL 23/25] target/s390x/kvm: Turn KVM_CAP_SYNC_REGS into a hard requirement, Thomas Huth, 2023/10/18
- [PULL 25/25] tests/qtest/migration-test: Disable the analyze-migration.py test on s390x, Thomas Huth, 2023/10/18
- [PULL 16/25] tests/avocado: s390x cpu topology polarization, Thomas Huth, 2023/10/18