The nova.objects.numa Module

class NUMACell(context=None, **kwargs)

Bases: nova.objects.base.NovaObject

VERSION = '1.2'

avail_cpus

avail_memory

can_fit_hugepages(pagesize, memory)

Returns whether memory can fit into hugepages size

Parameters:

• pagesize – a page size in KibB
• memory – a memory size asked to fit in KiB

Returns:

whether memory can fit in hugepages

Raises:

MemoryPageSizeNotSupported if page size not supported

cpu_usage

cpuset

fields = {'id': Integer(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'memory': Integer(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'siblings': List(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'memory_usage': Integer(default=0,nullable=False), 'mempages': List(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'cpuset': Set(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'pinned_cpus': Set(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'cpu_usage': Integer(default=0,nullable=False)}

free_cpus

free_siblings

id

memory

memory_usage

mempages

obj_relationships = {'mempages': [('1.2', '1.0')]}

pin_cpus(cpus)

pinned_cpus

siblings

unpin_cpus(cpus)

class NUMAPagesTopology(context=None, **kwargs)

Bases: nova.objects.base.NovaObject

VERSION = '1.0'

fields = {'size_kb': Integer(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'total': Integer(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'used': Integer(default=0,nullable=False)}

free

Returns the number of avail pages.

free_kb

Returns the avail memory size in KiB.

size_kb

total

used

class NUMATopology(context=None, **kwargs)

Bases: nova.objects.base.NovaObject, nova.objects.base.NovaObjectDictCompat

VERSION = '1.2'

cells

fields = {'cells': List(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False)}

classmethod obj_from_db_obj(db_obj)

classmethod obj_from_primitive(primitive, context=None)

obj_relationships = {'cells': [('1.0', '1.0'), ('1.1', '1.1'), ('1.2', '1.2')]}

class NUMATopologyLimits(context=None, **kwargs)

Bases: nova.objects.base.NovaObject

VERSION = '1.0'

cpu_allocation_ratio

fields = {'cpu_allocation_ratio': Float(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False), 'ram_allocation_ratio': Float(default=<class 'oslo_versionedobjects.fields.UnspecifiedDefault'>,nullable=False)}

classmethod obj_from_db_obj(db_obj)

ram_allocation_ratio

to_dict_legacy(host_topology)

all_things_equal(obj_a, obj_b)