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Mon, 3 Apr 2023 16:29:35 +0000 (GMT) From: Pierre Morel To: qemu-s390x@nongnu.org Cc: qemu-devel@nongnu.org, borntraeger@de.ibm.com, pasic@linux.ibm.com, richard.henderson@linaro.org, david@redhat.com, thuth@redhat.com, cohuck@redhat.com, mst@redhat.com, pbonzini@redhat.com, kvm@vger.kernel.org, ehabkost@redhat.com, marcel.apfelbaum@gmail.com, eblake@redhat.com, armbru@redhat.com, seiden@linux.ibm.com, nrb@linux.ibm.com, nsg@linux.ibm.com, frankja@linux.ibm.com, berrange@redhat.com, clg@kaod.org Subject: [PATCH v19 16/21] tests/avocado: s390x cpu topology entitlement tests Date: Mon, 3 Apr 2023 18:29:00 +0200 Message-Id: <20230403162905.17703-17-pmorel@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230403162905.17703-1-pmorel@linux.ibm.com> References: <20230403162905.17703-1-pmorel@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: D6q6RSSBO7bheqKAszDI6G2Sm_khx9gS X-Proofpoint-GUID: umQhfWbHjNMuWsVyj4JpoxJLh9iZ8vJ_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-03_13,2023-04-03_03,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 spamscore=0 priorityscore=1501 mlxscore=0 mlxlogscore=999 impostorscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304030118 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This test takes care to check the changes on different entitlements when the guest requests a polarization change. Signed-off-by: Pierre Morel --- tests/avocado/s390_topology.py | 56 ++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py index a4bbbc2cb6..f12f0ae148 100644 --- a/tests/avocado/s390_topology.py +++ b/tests/avocado/s390_topology.py @@ -230,3 +230,59 @@ def test_polarisation(self): '/bin/cat /sys/devices/system/cpu/dispatching', '0') self.check_topology(0, 0, 0, 0, 'medium', False) + + def test_set_cpu_topology_entitlement(self): + """ + This test verifies that QEMU modifies the polarization + after a guest request. + + :avocado: tags=arch:s390x + :avocado: tags=machine:s390-ccw-virtio + """ + self.kernel_init() + self.vm.add_args('-smp', + '1,drawers=2,books=2,sockets=3,cores=2,maxcpus=24') + self.vm.add_args('-device', 'z14-s390x-cpu,core-id=1') + self.vm.add_args('-device', 'z14-s390x-cpu,core-id=2') + self.vm.add_args('-device', 'z14-s390x-cpu,core-id=3') + self.vm.launch() + self.wait_for_console_pattern('no job control') + + self.system_init() + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low'}) + self.assertEqual(res['return'], {}) + res = self.vm.qmp('set-cpu-topology', + {'core-id': 1, 'entitlement': 'medium'}) + self.assertEqual(res['return'], {}) + res = self.vm.qmp('set-cpu-topology', + {'core-id': 2, 'entitlement': 'high'}) + self.assertEqual(res['return'], {}) + res = self.vm.qmp('set-cpu-topology', + {'core-id': 3, 'entitlement': 'high'}) + self.assertEqual(res['return'], {}) + self.check_topology(0, 0, 0, 0, 'low', False) + 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) + + 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, 'low', False) + 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) + + 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, 'low', False) + 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)