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Mon, 3 Apr 2023 16:29:40 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 028D02004B; Mon, 3 Apr 2023 16:29:39 +0000 (GMT) Received: from li-c6ac47cc-293c-11b2-a85c-d421c8e4747b.ibm.com.com (unknown [9.179.22.128]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Apr 2023 16:29:38 +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 19/21] tests/avocado: s390x cpu topology dedicated errors Date: Mon, 3 Apr 2023 18:29:03 +0200 Message-Id: <20230403162905.17703-20-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: 0F4AAXtHCvxYeKXMZxBbNZWWz6IWRDt8 X-Proofpoint-GUID: HuknnVnj3ghtKYedcLeLRrCh0qDbCaDw 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 lowpriorityscore=0 malwarescore=0 priorityscore=1501 bulkscore=0 spamscore=0 impostorscore=0 phishscore=0 adultscore=0 suspectscore=0 mlxlogscore=999 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304030118 Received-SPF: pass client-ip=148.163.156.1; envelope-from=pmorel@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.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 | 54 ++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py index 702b3a8443..02c6a8cbe8 100644 --- a/tests/avocado/s390_topology.py +++ b/tests/avocado/s390_topology.py @@ -238,6 +238,7 @@ def test_polarisation(self): self.check_topology(0, 0, 0, 0, 'medium', False) + @skipIf(skip_basis, 'skipping basis tests') def test_entitlement(self): """ This test verifies that QEMU modifies the polarization @@ -294,6 +295,7 @@ def test_entitlement(self): self.check_topology(2, 1, 0, 0, 'high', False) self.check_topology(3, 1, 0, 0, 'high', False) + @skipIf(skip_basis, 'skipping basis tests') def test_dedicated(self): """ This test verifies that QEMU modifies the entitlement change correctly @@ -328,6 +330,7 @@ def test_dedicated(self): self.check_topology(0, 0, 0, 0, 'high', True) + @skipIf(skip_basis, 'skipping basis tests') def test_socket_full(self): """ This test verifies that QEMU does not accept to overload a socket. @@ -354,3 +357,54 @@ 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'], {})