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[PATCH v23 16/20] tests/avocado: s390x cpu topology entitlement tests
From: |
Nina Schoetterl-Glausch |
Subject: |
[PATCH v23 16/20] tests/avocado: s390x cpu topology entitlement tests |
Date: |
Thu, 14 Sep 2023 14:06:46 +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>
Reviewed-by: Nina Schoetterl-Glausch <nsg@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 | 62 ++++++++++++++++++++++++++++++++++
1 file changed, 62 insertions(+)
diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py
index 8166cee134..24fac9a54d 100644
--- a/tests/avocado/s390_topology.py
+++ b/tests/avocado/s390_topology.py
@@ -243,3 +243,65 @@ 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 to wait for the change to have been propagated to the kernel
+ exec_command_and_wait_for_pattern(self,
+ "\n".join([
+ "timeout 1 sh -c 'while true",
+ 'do',
+ ' syspath="/sys/devices/system/cpu/cpu0/polarization"',
+ ' polarization="$(cat "$syspath")" || exit',
+ f' if [ "$polarization" = "{polarization}" ]; then',
+ ' exit 0',
+ ' fi',
+ ' sleep 0.01',
+ #searched for strings mustn't show up in command, '' to
obfuscate
+ "done' && echo succ''ess || echo fail''ure",
+ ]),
+ "success", "failure")
+
+
+ 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 v23 00/20] s390x: CPU Topology, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 07/20] target/s390x/cpu topology: activate CPU topology, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 16/20] tests/avocado: s390x cpu topology entitlement tests,
Nina Schoetterl-Glausch <=
- [PATCH v23 19/20] tests/avocado: s390x cpu topology dedicated errors, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 03/20] target/s390x/cpu topology: handle STSI(15) and build the SYSIB, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 12/20] qapi/s390x/cpu topology: query-cpu-polarization qmp command, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 18/20] tests/avocado: s390x cpu topology test socket full, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 05/20] s390x/cpu topology: resetting the Topology-Change-Report, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 06/20] s390x/cpu topology: interception of PTF instruction, Nina Schoetterl-Glausch, 2023/09/14
- [PATCH v23 09/20] machine: adding s390 topology to query-cpu-fast, Nina Schoetterl-Glausch, 2023/09/14