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Tsirkin" , Marcel Apfelbaum , Alex Williamson , "Daniel P. Berrange" , Juan Quintela , Markus Armbruster , Eric Blake , Jason Zeng , Zheng Chuan , Steve Sistare , Mark Kanda , Guoyi Tu , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Igor Mammedov , David Hildenbrand , John Snow , Peng Liang Subject: [PATCH V9 42/46] tests/avocado: add cpr regression test Date: Tue, 26 Jul 2022 09:10:39 -0700 Message-Id: <1658851843-236870-43-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1658851843-236870-1-git-send-email-steven.sistare@oracle.com> References: <1658851843-236870-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-26_04,2022-07-26_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 malwarescore=0 phishscore=0 spamscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207260063 X-Proofpoint-GUID: 5_9P3XFYsEfAMI5B9txVuMhiz21gRpca X-Proofpoint-ORIG-GUID: 5_9P3XFYsEfAMI5B9txVuMhiz21gRpca Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @oracle.com) X-ZM-MESSAGEID: 1658854035233100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Steve Sistare --- MAINTAINERS | 1 + tests/avocado/cpr.py | 176 +++++++++++++++++++++++++++++++++++++++++++++++= ++++ 2 files changed, 177 insertions(+) create mode 100644 tests/avocado/cpr.py diff --git a/MAINTAINERS b/MAINTAINERS index b93b0bb..adc1218 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3172,6 +3172,7 @@ F: stubs/cpr-state.c F: include/migration/cpr.h F: migration/cpr.c F: hw/vfio/cpr.c +F: tests/avocado/cpr.py =20 Record/replay M: Pavel Dovgalyuk diff --git a/tests/avocado/cpr.py b/tests/avocado/cpr.py new file mode 100644 index 0000000..11e1376 --- /dev/null +++ b/tests/avocado/cpr.py @@ -0,0 +1,176 @@ +# cpr test + +# Copyright (c) 2021, 2022 Oracle and/or its affiliates. +# +# This work is licensed under the terms of the GNU GPL, version 2. +# See the COPYING file in the top-level directory. + +import tempfile +from avocado_qemu import QemuSystemTest +from avocado.utils import wait + +class Cpr(QemuSystemTest): + """ + :avocado: tags=3Dcpr + """ + + timeout =3D 5 + fast_timeout =3D 1 + + @staticmethod + def has_status(vm, status, command): + return vm.command(command)['status'] in status + + def wait_for_status(self, vm, status, command): + wait.wait_for(self.has_status, + timeout=3Dself.timeout, + step=3D0.1, + args=3D(vm,status,command,)) + + def wait_for_runstate(self, vm, status): + self.wait_for_status(vm, status, 'query-status') + + def wait_for_migration(self, vm, status): + self.wait_for_status(vm, status, 'query-migrate') + + def run_and_fail(self, vm, msg): + # Qemu will fail fast, so disable monitor to avoid timeout in acce= pt + vm.set_qmp_monitor(False) + vm.launch() + vm.wait(self.timeout) + self.assertRegex(vm.get_log(), msg) + + def get_vm_for_restart(self): + return self.get_vm('-nodefaults', + '-migrate-mode-enable', 'cpr-exec', + '-object', 'memory-backend-memfd,id=3Dpc.ram,si= ze=3D8M', + '-machine', 'memory-backend=3Dpc.ram') + + def do_cpr_exec(self, vmstate_name): + vm =3D self.get_vm_for_restart() + vm.launch() + + uri =3D 'file:' + vmstate_name + args =3D vm.full_args + ['-incoming', 'defer'] + + vm.command('migrate-set-parameters', cpr_exec_args=3Dargs) + vm.command('migrate-set-parameters', mode=3D'cpr-exec') + vm.qmp('migrate', uri=3Duri) + + # Cannot poll for migration status, because qemu may call execv be= fore + # we see it. Wait for STOP instead. + vm.event_wait(name=3D'STOP', timeout=3Dself.fast_timeout) + + # Migrate execs and closes the monitor socket, so reopen it. + vm.reopen_qmp_connection() + + self.assertEqual(vm.command('query-status')['status'], 'inmigrate') + resp =3D vm.command('migrate-incoming', uri=3Duri) + self.wait_for_migration(vm, ('completed', 'failed')) + self.assertEqual(vm.command('query-migrate')['status'], 'completed= ') + + resp =3D vm.command('cont') + vm.event_wait(name=3D'RESUME', timeout=3Dself.fast_timeout) + self.assertEqual(vm.command('query-status')['status'], 'running') + + def do_cpr_reboot(self, vmstate_name): + args =3D ['-nodefaults', '-migrate-mode-enable', 'cpr-reboot' ] + old_vm =3D self.get_vm(*args) + old_vm.launch() + + uri =3D 'file:' + vmstate_name + + old_vm.command('migrate-set-capabilities', capabilities =3D [ + { "capability": "x-ignore-shared", "state": True }]) + old_vm.command('migrate-set-parameters', mode=3D'cpr-reboot') + old_vm.qmp('migrate', uri=3Duri) + self.wait_for_migration(old_vm, ('completed', 'failed')) + self.assertEqual(old_vm.command('query-migrate')['status'], + 'completed') + self.assertEqual(old_vm.command('query-status')['status'], + 'postmigrate') + + args =3D args + ['-incoming', 'defer'] + new_vm =3D self.get_vm(*args) + new_vm.launch() + self.assertEqual(new_vm.command('query-status')['status'], 'inmigr= ate') + + new_vm.command('migrate-set-capabilities', capabilities =3D [ + { "capability": "x-ignore-shared", "state": True }]) + new_vm.command('migrate-set-parameters', mode=3D'cpr-reboot') + new_vm.command('migrate-incoming', uri=3Duri) + self.wait_for_migration(new_vm, ('completed', 'failed')) + self.assertEqual(new_vm.command('query-migrate')['status'], 'compl= eted') + + new_vm.command('cont') + new_vm.event_wait(name=3D'RESUME', timeout=3Dself.fast_timeout) + self.assertEqual(new_vm.command('query-status')['status'], 'runnin= g') + + def test_cpr_exec(self): + """ + Verify that cpr restart mode works + """ + with tempfile.NamedTemporaryFile() as vmstate_file: + self.do_cpr_exec(vmstate_file.name) + + def test_cpr_reboot(self): + """ + Verify that cpr reboot mode works + """ + with tempfile.NamedTemporaryFile() as vmstate_file: + self.do_cpr_reboot(vmstate_file.name) + + def test_cpr_block_cpr_exec(self): + """ + Verify that qemu rejects cpr restart mode for volatile memory + """ + + vm =3D self.get_vm('-nodefaults', + '-migrate-mode-enable', 'cpr-exec') + vm.launch() + uri=3D'file:/dev/null' + args =3D vm.full_args + ['-S'] + resp =3D vm.command('migrate-set-parameters', mode=3D'cpr-exec') + rsp =3D vm.qmp('migrate', uri=3Duri) + vm.qmp('quit') + + expect =3D r'Memory region .* is volatile' + self.assertRegex(rsp['error']['desc'], expect) + + def test_cpr_block_memfd(self): + + """ + Verify that qemu complains for only-cpr-capable and volatile memory + """ + vm =3D self.get_vm('-nodefaults', + '-migrate-mode-enable', 'cpr-exec', + '-only-cpr-capable') + self.run_and_fail(vm, r'only-cpr-capable specified.* Memory ') + + def test_cpr_block_replay(self): + """ + Verify that qemu complains for only-cpr-capable and replay + """ + vm =3D self.get_vm_for_restart() + vm.add_args('-only-cpr-capable', + '-icount', 'shift=3D10,rr=3Drecord,rrfile=3D/dev/null') + self.run_and_fail(vm, r'only-cpr-capable specified.* replay ') + + def test_cpr_block_chardev(self): + """ + Verify that qemu complains for only-cpr-capable and unsupported ch= ardev + """ + vm =3D self.get_vm_for_restart() + vm.add_args('-only-cpr-capable', + '-chardev', 'vc,id=3Dvc1') + self.run_and_fail(vm, r'only-cpr-capable specified.* vc1 ') + + def test_cpr_allow_chardev(self): + """ + Verify that qemu allows unsupported chardev with reopen-on-cpr + """ + vm =3D self.get_vm_for_restart() + vm.add_args('-only-cpr-capable', + '-chardev', 'vc,id=3Dvc1,reopen-on-cpr=3Don') + vm.launch() + self.wait_for_runstate(vm, ('running')) --=20 1.8.3.1