Re: [PATCH v19 17/21] tests/avocado: s390x cpu topology test dedicated CPU

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On 4/3/23 18:29, 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@xxxxxxxxxxxxx>
---
  tests/avocado/s390_topology.py | 43 +++++++++++++++++++++++++++++++++-
  1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py
index f12f0ae148..6a41f08897 100644
--- a/tests/avocado/s390_topology.py
+++ b/tests/avocado/s390_topology.py
@@ -52,6 +52,7 @@ class S390CPUTopology(LinuxKernelTest):
      The polarization is changed on a request from the guest.
      """
      timeout = 90
+    skip_basis = False

This should come through its own patch.


      def check_topology(self, c, s, b, d, e, t):
@@ -116,12 +117,14 @@ def system_init(self):
          exec_command_and_wait_for_pattern(self,
                  '/bin/cat /sys/devices/system/cpu/dispatching', '0')
+ @skipIf(skip_basis, 'skipping basis tests')
      def test_single(self):
          self.kernel_init()
          self.vm.launch()
          self.wait_for_console_pattern('no job control')
          self.check_topology(0, 0, 0, 0, 'medium', False)
+ @skipIf(skip_basis, 'skipping basis tests')
      def test_default(self):
          """
          This test checks the implicite topology.
@@ -147,6 +150,7 @@ def test_default(self):
          self.check_topology(11, 2, 1, 0, 'medium', False)
          self.check_topology(12, 0, 0, 1, 'medium', False)
+ @skipIf(skip_basis, 'skipping basis tests')
      def test_move(self):
          """
          This test checks the topology modification by moving a CPU
@@ -167,6 +171,7 @@ def test_move(self):
          self.assertEqual(res['return'], {})
          self.check_topology(0, 2, 0, 0, 'low', False)
+ @skipIf(skip_basis, 'skipping basis tests')
      def test_hotplug(self):
          """
          This test verifies that a CPU defined with '-device' command line
@@ -184,6 +189,7 @@ def test_hotplug(self):
self.check_topology(10, 2, 1, 0, 'medium', False) + @skipIf(skip_basis, 'skipping basis tests')
      def test_hotplug_full(self):
          """
          This test verifies that a hotplugged fully defined with '-device'
@@ -202,6 +208,7 @@ def test_hotplug_full(self):
          self.wait_for_console_pattern('no job control')
          self.check_topology(1, 1, 1, 1, 'medium', False)
+ @skipIf(skip_basis, 'skipping basis tests')
      def test_polarisation(self):
          """
          This test verifies that QEMU modifies the entitlement change after
@@ -231,7 +238,7 @@ def test_polarisation(self):
self.check_topology(0, 0, 0, 0, 'medium', False) - def test_set_cpu_topology_entitlement(self):
+    def test_entitlement(self):

May be introduce the correct name in the first patch.


          """
          This test verifies that QEMU modifies the polarization
          after a guest request.
@@ -286,3 +293,37 @@ def test_set_cpu_topology_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_for_console_pattern('no job control')
+
+        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)
+
+        exec_command(self, 'echo 1 > /sys/devices/system/cpu/dispatching')
+        time.sleep(0.2)
+        exec_command_and_wait_for_pattern(self,
+                '/bin/cat /sys/devices/system/cpu/dispatching', '1')
+
+        self.check_topology(0, 0, 0, 0, 'high', True)
+
+        exec_command(self, 'echo 0 > /sys/devices/system/cpu/dispatching')
+        time.sleep(0.2)
+        exec_command_and_wait_for_pattern(self,
+                '/bin/cat /sys/devices/system/cpu/dispatching', '0')
+
+        self.check_topology(0, 0, 0, 0, 'high', True)




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