[PATCH v20 21/21] tests/avocado: s390x cpu topology query-cpu-polarization

[Pierre Morel <pmorel@linux.ibm.com>]

This test verifies that the qmp query query-cpu-polarization
reports correctly the polarization when the guest requests
a polarization change.

Signed-off-by: Pierre Morel <pmorel@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 4516e5e46f..43e0ebc160 100644
--- a/tests/avocado/s390_topology.py
+++ b/tests/avocado/s390_topology.py
@@ -437,3 +437,36 @@ def test_move_error(self):
         self.assertEqual(res['error']['class'], 'GenericError')
 
         self.check_topology(0, 0, 0, 0, 'medium', False)
+
+    def test_query_polarization(self):
+        """
+        This test verifies that query-cpu-polarization gives the right
+        answer
+
+        :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('query-cpu-polarization')
+        self.assertEqual(res['return']['polarization'], 'horizontal')
+
+        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')
+
+        res = self.vm.qmp('query-cpu-polarization')
+        self.assertEqual(res['return']['polarization'], 'vertical')
+
+        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')
+
+        res = self.vm.qmp('query-cpu-polarization')
+        self.assertEqual(res['return']['polarization'], 'horizontal')
-- 
2.31.1