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Mon, 3 Apr 2023 16:29:34 +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 15/21] tests/avocado: s390x cpu topology polarisation Date: Mon, 3 Apr 2023 18:28:59 +0200 Message-Id: <20230403162905.17703-16-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-GUID: 5JGJvHt6T5YF1tQX2QlFAhVWw5EKk-vK X-Proofpoint-ORIG-GUID: ITqC-jJxYkngI0dFmpHHwQOMlrVcarBX 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 mlxscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 bulkscore=0 suspectscore=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 Polarization is changed on a request from the guest. Let's verify the polarization is accordingly set by QEMU. Signed-off-by: Pierre Morel --- tests/avocado/s390_topology.py | 38 +++++++++++++++++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py index 38e9cc4f16..a4bbbc2cb6 100644 --- a/tests/avocado/s390_topology.py +++ b/tests/avocado/s390_topology.py @@ -107,6 +107,15 @@ def kernel_init(self): '-initrd', initrd_path, '-append', kernel_command_line) + def system_init(self): + self.log.info("System init") + exec_command(self, 'mount proc -t proc /proc') + time.sleep(0.2) + exec_command(self, 'mount sys -t sysfs /sys') + time.sleep(0.2) + exec_command_and_wait_for_pattern(self, + '/bin/cat /sys/devices/system/cpu/dispatching', '0') + def test_single(self): self.kernel_init() self.vm.launch() @@ -116,7 +125,6 @@ def test_single(self): def test_default(self): """ This test checks the implicite topology. - :avocado: tags=arch:s390x :avocado: tags=machine:s390-ccw-virtio """ @@ -194,3 +202,31 @@ def test_hotplug_full(self): self.wait_for_console_pattern('no job control') self.check_topology(1, 1, 1, 1, 'medium', False) + def test_polarisation(self): + """ + This test verifies that QEMU modifies the entitlement change 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() + self.check_topology(0, 0, 0, 0, 'medium', 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, 'medium', 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, 'medium', False)