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Tue, 25 Apr 2023 16:15:10 +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 v20 19/21] tests/avocado: s390x cpu topology dedicated errors Date: Tue, 25 Apr 2023 18:14:54 +0200 Message-Id: <20230425161456.21031-20-pmorel@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230425161456.21031-1-pmorel@linux.ibm.com> References: <20230425161456.21031-1-pmorel@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Lx-faEZuE8ySUdvTXO0u2rzNUcx0H3w8 X-Proofpoint-ORIG-GUID: TChNVzXiA6TGokFzd1ve630w5nNbNws5 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=2023-04-25_07,2023-04-25_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1015 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304250127 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Let's test that QEMU refuses to setup a dedicated CPU with low or medium entitlement. Signed-off-by: Pierre Morel --- tests/avocado/s390_topology.py | 51 ++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py index dfa33ada48..37fffc2dbb 100644 --- a/tests/avocado/s390_topology.py +++ b/tests/avocado/s390_topology.py @@ -361,3 +361,54 @@ def test_socket_full(self): res = self.vm.qmp('set-cpu-topology', {'core-id': 2, 'socket-id': 0, 'book-id': 1}) self.assertEqual(res['return'], {}) + + def test_dedicated_error(self): + """ + This test verifies that QEMU refuses to lower the entitlement + of a dedicated CPU + + :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) + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low', 'dedicated': True}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low'}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'medium', 'dedicated': True}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'medium'}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low', 'dedicated': False}) + self.assertEqual(res['return'], {}) + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'medium', 'dedicated': False}) + self.assertEqual(res['return'], {})