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Diffstat (limited to 'tests/avocado/x86_cpu_model_versions.py')
| -rw-r--r-- | tests/avocado/x86_cpu_model_versions.py | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/tests/avocado/x86_cpu_model_versions.py b/tests/avocado/x86_cpu_model_versions.py new file mode 100644 index 0000000000..a6edf74c1c --- /dev/null +++ b/tests/avocado/x86_cpu_model_versions.py @@ -0,0 +1,358 @@ +# +# Basic validation of x86 versioned CPU models and CPU model aliases +# +# Copyright (c) 2019 Red Hat Inc +# +# Author: +# Eduardo Habkost <ehabkost@redhat.com> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, see <http://www.gnu.org/licenses/>. +# + + +import avocado_qemu +import re + +class X86CPUModelAliases(avocado_qemu.QemuSystemTest): + """ + Validation of PC CPU model versions and CPU model aliases + + :avocado: tags=arch:x86_64 + """ + def validate_aliases(self, cpus): + for c in cpus.values(): + if 'alias-of' in c: + # all aliases must point to a valid CPU model name: + self.assertIn(c['alias-of'], cpus, + '%s.alias-of (%s) is not a valid CPU model name' % (c['name'], c['alias-of'])) + # aliases must not point to aliases + self.assertNotIn('alias-of', cpus[c['alias-of']], + '%s.alias-of (%s) points to another alias' % (c['name'], c['alias-of'])) + + # aliases must not be static + self.assertFalse(c['static']) + + def validate_variant_aliases(self, cpus): + # -noTSX, -IBRS and -IBPB variants of CPU models are special: + # they shouldn't have their own versions: + self.assertNotIn("Haswell-noTSX-v1", cpus, + "Haswell-noTSX shouldn't be versioned") + self.assertNotIn("Broadwell-noTSX-v1", cpus, + "Broadwell-noTSX shouldn't be versioned") + self.assertNotIn("Nehalem-IBRS-v1", cpus, + "Nehalem-IBRS shouldn't be versioned") + self.assertNotIn("Westmere-IBRS-v1", cpus, + "Westmere-IBRS shouldn't be versioned") + self.assertNotIn("SandyBridge-IBRS-v1", cpus, + "SandyBridge-IBRS shouldn't be versioned") + self.assertNotIn("IvyBridge-IBRS-v1", cpus, + "IvyBridge-IBRS shouldn't be versioned") + self.assertNotIn("Haswell-noTSX-IBRS-v1", cpus, + "Haswell-noTSX-IBRS shouldn't be versioned") + self.assertNotIn("Haswell-IBRS-v1", cpus, + "Haswell-IBRS shouldn't be versioned") + self.assertNotIn("Broadwell-noTSX-IBRS-v1", cpus, + "Broadwell-noTSX-IBRS shouldn't be versioned") + self.assertNotIn("Broadwell-IBRS-v1", cpus, + "Broadwell-IBRS shouldn't be versioned") + self.assertNotIn("Skylake-Client-IBRS-v1", cpus, + "Skylake-Client-IBRS shouldn't be versioned") + self.assertNotIn("Skylake-Server-IBRS-v1", cpus, + "Skylake-Server-IBRS shouldn't be versioned") + self.assertNotIn("EPYC-IBPB-v1", cpus, + "EPYC-IBPB shouldn't be versioned") + + def test_4_0_alias_compatibility(self): + """ + Check if pc-*-4.0 unversioned CPU model won't be reported as aliases + + :avocado: tags=machine:pc-i440fx-4.0 + """ + # pc-*-4.0 won't expose non-versioned CPU models as aliases + # We do this to help management software to keep compatibility + # with older QEMU versions that didn't have the versioned CPU model + self.vm.add_args('-S') + self.vm.launch() + cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions')) + + self.assertFalse(cpus['Cascadelake-Server']['static'], + 'unversioned Cascadelake-Server CPU model must not be static') + self.assertNotIn('alias-of', cpus['Cascadelake-Server'], + 'Cascadelake-Server must not be an alias') + self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'], + 'Cascadelake-Server-v1 must not be an alias') + + self.assertFalse(cpus['qemu64']['static'], + 'unversioned qemu64 CPU model must not be static') + self.assertNotIn('alias-of', cpus['qemu64'], + 'qemu64 must not be an alias') + self.assertNotIn('alias-of', cpus['qemu64-v1'], + 'qemu64-v1 must not be an alias') + + self.validate_variant_aliases(cpus) + + # On pc-*-4.0, no CPU model should be reported as an alias: + for name,c in cpus.items(): + self.assertNotIn('alias-of', c, "%s shouldn't be an alias" % (name)) + + def test_4_1_alias(self): + """ + Check if unversioned CPU model is an alias pointing to right version + + :avocado: tags=machine:pc-i440fx-4.1 + """ + self.vm.add_args('-S') + self.vm.launch() + + cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions')) + + self.assertFalse(cpus['Cascadelake-Server']['static'], + 'unversioned Cascadelake-Server CPU model must not be static') + self.assertEquals(cpus['Cascadelake-Server'].get('alias-of'), 'Cascadelake-Server-v1', + 'Cascadelake-Server must be an alias of Cascadelake-Server-v1') + self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'], + 'Cascadelake-Server-v1 must not be an alias') + + self.assertFalse(cpus['qemu64']['static'], + 'unversioned qemu64 CPU model must not be static') + self.assertEquals(cpus['qemu64'].get('alias-of'), 'qemu64-v1', + 'qemu64 must be an alias of qemu64-v1') + self.assertNotIn('alias-of', cpus['qemu64-v1'], + 'qemu64-v1 must not be an alias') + + self.validate_variant_aliases(cpus) + + # On pc-*-4.1, -noTSX and -IBRS models should be aliases: + self.assertEquals(cpus["Haswell"].get('alias-of'), + "Haswell-v1", + "Haswell must be an alias") + self.assertEquals(cpus["Haswell-noTSX"].get('alias-of'), + "Haswell-v2", + "Haswell-noTSX must be an alias") + self.assertEquals(cpus["Haswell-IBRS"].get('alias-of'), + "Haswell-v3", + "Haswell-IBRS must be an alias") + self.assertEquals(cpus["Haswell-noTSX-IBRS"].get('alias-of'), + "Haswell-v4", + "Haswell-noTSX-IBRS must be an alias") + + self.assertEquals(cpus["Broadwell"].get('alias-of'), + "Broadwell-v1", + "Broadwell must be an alias") + self.assertEquals(cpus["Broadwell-noTSX"].get('alias-of'), + "Broadwell-v2", + "Broadwell-noTSX must be an alias") + self.assertEquals(cpus["Broadwell-IBRS"].get('alias-of'), + "Broadwell-v3", + "Broadwell-IBRS must be an alias") + self.assertEquals(cpus["Broadwell-noTSX-IBRS"].get('alias-of'), + "Broadwell-v4", + "Broadwell-noTSX-IBRS must be an alias") + + self.assertEquals(cpus["Nehalem"].get('alias-of'), + "Nehalem-v1", + "Nehalem must be an alias") + self.assertEquals(cpus["Nehalem-IBRS"].get('alias-of'), + "Nehalem-v2", + "Nehalem-IBRS must be an alias") + + self.assertEquals(cpus["Westmere"].get('alias-of'), + "Westmere-v1", + "Westmere must be an alias") + self.assertEquals(cpus["Westmere-IBRS"].get('alias-of'), + "Westmere-v2", + "Westmere-IBRS must be an alias") + + self.assertEquals(cpus["SandyBridge"].get('alias-of'), + "SandyBridge-v1", + "SandyBridge must be an alias") + self.assertEquals(cpus["SandyBridge-IBRS"].get('alias-of'), + "SandyBridge-v2", + "SandyBridge-IBRS must be an alias") + + self.assertEquals(cpus["IvyBridge"].get('alias-of'), + "IvyBridge-v1", + "IvyBridge must be an alias") + self.assertEquals(cpus["IvyBridge-IBRS"].get('alias-of'), + "IvyBridge-v2", + "IvyBridge-IBRS must be an alias") + + self.assertEquals(cpus["Skylake-Client"].get('alias-of'), + "Skylake-Client-v1", + "Skylake-Client must be an alias") + self.assertEquals(cpus["Skylake-Client-IBRS"].get('alias-of'), + "Skylake-Client-v2", + "Skylake-Client-IBRS must be an alias") + + self.assertEquals(cpus["Skylake-Server"].get('alias-of'), + "Skylake-Server-v1", + "Skylake-Server must be an alias") + self.assertEquals(cpus["Skylake-Server-IBRS"].get('alias-of'), + "Skylake-Server-v2", + "Skylake-Server-IBRS must be an alias") + + self.assertEquals(cpus["EPYC"].get('alias-of'), + "EPYC-v1", + "EPYC must be an alias") + self.assertEquals(cpus["EPYC-IBPB"].get('alias-of'), + "EPYC-v2", + "EPYC-IBPB must be an alias") + + self.validate_aliases(cpus) + + def test_none_alias(self): + """ + Check if unversioned CPU model is an alias pointing to some version + + :avocado: tags=machine:none + """ + self.vm.add_args('-S') + self.vm.launch() + + cpus = dict((m['name'], m) for m in self.vm.command('query-cpu-definitions')) + + self.assertFalse(cpus['Cascadelake-Server']['static'], + 'unversioned Cascadelake-Server CPU model must not be static') + self.assertTrue(re.match('Cascadelake-Server-v[0-9]+', cpus['Cascadelake-Server']['alias-of']), + 'Cascadelake-Server must be an alias of versioned CPU model') + self.assertNotIn('alias-of', cpus['Cascadelake-Server-v1'], + 'Cascadelake-Server-v1 must not be an alias') + + self.assertFalse(cpus['qemu64']['static'], + 'unversioned qemu64 CPU model must not be static') + self.assertTrue(re.match('qemu64-v[0-9]+', cpus['qemu64']['alias-of']), + 'qemu64 must be an alias of versioned CPU model') + self.assertNotIn('alias-of', cpus['qemu64-v1'], + 'qemu64-v1 must not be an alias') + + self.validate_aliases(cpus) + + +class CascadelakeArchCapabilities(avocado_qemu.QemuSystemTest): + """ + Validation of Cascadelake arch-capabilities + + :avocado: tags=arch:x86_64 + """ + def get_cpu_prop(self, prop): + cpu_path = self.vm.command('query-cpus-fast')[0].get('qom-path') + return self.vm.command('qom-get', path=cpu_path, property=prop) + + def test_4_1(self): + """ + :avocado: tags=machine:pc-i440fx-4.1 + :avocado: tags=cpu:Cascadelake-Server + """ + # machine-type only: + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server,x-force-features=on,check=off,' + 'enforce=off') + self.vm.launch() + self.assertFalse(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.1 + Cascadelake-Server should not have arch-capabilities') + + def test_4_0(self): + """ + :avocado: tags=machine:pc-i440fx-4.0 + :avocado: tags=cpu:Cascadelake-Server + """ + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server,x-force-features=on,check=off,' + 'enforce=off') + self.vm.launch() + self.assertFalse(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.0 + Cascadelake-Server should not have arch-capabilities') + + def test_set_4_0(self): + """ + :avocado: tags=machine:pc-i440fx-4.0 + :avocado: tags=cpu:Cascadelake-Server + """ + # command line must override machine-type if CPU model is not versioned: + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server,x-force-features=on,check=off,' + 'enforce=off,+arch-capabilities') + self.vm.launch() + self.assertTrue(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.0 + Cascadelake-Server,+arch-capabilities should have arch-capabilities') + + def test_unset_4_1(self): + """ + :avocado: tags=machine:pc-i440fx-4.1 + :avocado: tags=cpu:Cascadelake-Server + """ + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server,x-force-features=on,check=off,' + 'enforce=off,-arch-capabilities') + self.vm.launch() + self.assertFalse(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.1 + Cascadelake-Server,-arch-capabilities should not have arch-capabilities') + + def test_v1_4_0(self): + """ + :avocado: tags=machine:pc-i440fx-4.0 + :avocado: tags=cpu:Cascadelake-Server + """ + # versioned CPU model overrides machine-type: + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server-v1,x-force-features=on,check=off,' + 'enforce=off') + self.vm.launch() + self.assertFalse(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.0 + Cascadelake-Server-v1 should not have arch-capabilities') + + def test_v2_4_0(self): + """ + :avocado: tags=machine:pc-i440fx-4.0 + :avocado: tags=cpu:Cascadelake-Server + """ + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server-v2,x-force-features=on,check=off,' + 'enforce=off') + self.vm.launch() + self.assertTrue(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.0 + Cascadelake-Server-v2 should have arch-capabilities') + + def test_v1_set_4_0(self): + """ + :avocado: tags=machine:pc-i440fx-4.0 + :avocado: tags=cpu:Cascadelake-Server + """ + # command line must override machine-type and versioned CPU model: + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server-v1,x-force-features=on,check=off,' + 'enforce=off,+arch-capabilities') + self.vm.launch() + self.assertTrue(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.0 + Cascadelake-Server-v1,+arch-capabilities should have arch-capabilities') + + def test_v2_unset_4_1(self): + """ + :avocado: tags=machine:pc-i440fx-4.1 + :avocado: tags=cpu:Cascadelake-Server + """ + self.vm.add_args('-S') + self.set_vm_arg('-cpu', + 'Cascadelake-Server-v2,x-force-features=on,check=off,' + 'enforce=off,-arch-capabilities') + self.vm.launch() + self.assertFalse(self.get_cpu_prop('arch-capabilities'), + 'pc-i440fx-4.1 + Cascadelake-Server-v2,-arch-capabilities should not have arch-capabilities') |