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[PATCH v22 16/20] tests/avocado: s390x cpu topology entitlement tests
From: |
Nina Schoetterl-Glausch |
Subject: |
[PATCH v22 16/20] tests/avocado: s390x cpu topology entitlement tests |
Date: |
Fri, 1 Sep 2023 17:58:08 +0200 |
From: Pierre Morel <pmorel@linux.ibm.com>
Test changes in the entitlement from both a guest and a host point of
view, depending on the polarization.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
---
tests/avocado/s390_topology.py | 55 ++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py
index d7ee36cb89..733093723a 100644
--- a/tests/avocado/s390_topology.py
+++ b/tests/avocado/s390_topology.py
@@ -243,3 +243,58 @@ def test_polarization(self):
res = self.vm.qmp('query-s390x-cpu-polarization')
self.assertEqual(res['return']['polarization'], 'horizontal')
self.check_topology(0, 0, 0, 0, 'medium', False)
+
+
+ def check_polarization(self, polarization):
+ """
+ We need the polarization change to get stabilized in kernel
+ before we check it through the sysfs.
+ """
+ exec_command_and_wait_for_pattern(self,
+ """ sleep 1 ;
+ /bin/cat /sys/devices/system/cpu/cpu0/polarization """,
+ polarization)
+
+
+ def test_entitlement(self):
+ """
+ This test verifies that QEMU modifies the entitlement
+ after a guest request and that the guest sees the change.
+
+ :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')
+ self.check_topology(0, 0, 0, 0, 'medium', False)
+
+ self.guest_set_dispatching('1')
+ self.check_polarization('vertical:medium')
+ self.check_topology(0, 0, 0, 0, 'medium', False)
+
+ res = self.vm.qmp('set-cpu-topology',
+ {'core-id': 0, 'entitlement': 'low'})
+ self.assertEqual(res['return'], {})
+ self.check_polarization('vertical:low')
+ self.check_topology(0, 0, 0, 0, 'low', False)
+
+ res = self.vm.qmp('set-cpu-topology',
+ {'core-id': 0, 'entitlement': 'medium'})
+ self.assertEqual(res['return'], {})
+ self.check_polarization('vertical:medium')
+ self.check_topology(0, 0, 0, 0, 'medium', False)
+
+ res = self.vm.qmp('set-cpu-topology',
+ {'core-id': 0, 'entitlement': 'high'})
+ self.assertEqual(res['return'], {})
+ self.check_polarization('vertical:high')
+ self.check_topology(0, 0, 0, 0, 'high', False)
+
+ self.guest_set_dispatching('0');
+ self.check_polarization("horizontal")
+ self.check_topology(0, 0, 0, 0, 'high', False)
--
2.39.2
- [PATCH v22 15/20] tests/avocado: s390x cpu topology polarization, (continued)