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xemu/tests/acceptance/x86_cpu_model_versions.py
Philippe Mathieu-Daudé 273954e782 tests/acceptance: Remove shebang header 
Patch created mechanically by running:

  $ chmod 644 $(git grep -lF '#!/usr/bin/env python' \
      | xargs grep -L 'if __name__.*__main__')
  $ sed -i "/^#\!\/usr\/bin\/\(env\ \)\?python.\?$/d" \
      $(git grep -lF '#!/usr/bin/env python' \
      | xargs grep -L 'if __name__.*__main__')

Reported-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200130163232.10446-8-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-02-07 15:12:48 +01:00

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#
# 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 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.Test):
"""
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.Test):
"""
Validation of Cascadelake arch-capabilities
:avocado: tags=arch:x86_64
"""
def get_cpu_prop(self, prop):
cpu_path = self.vm.command('query-cpus')[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
"""
# machine-type only:
self.vm.add_args('-S')
self.vm.add_args('-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
"""
self.vm.add_args('-S')
self.vm.add_args('-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
"""
# command line must override machine-type if CPU model is not versioned:
self.vm.add_args('-S')
self.vm.add_args('-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
"""
self.vm.add_args('-S')
self.vm.add_args('-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
"""
# versioned CPU model overrides machine-type:
self.vm.add_args('-S')
self.vm.add_args('-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
"""
self.vm.add_args('-S')
self.vm.add_args('-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
"""
# command line must override machine-type and versioned CPU model:
self.vm.add_args('-S')
self.vm.add_args('-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
"""
self.vm.add_args('-S')
self.vm.add_args('-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')
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