132 lines
4.8 KiB
Python
132 lines
4.8 KiB
Python
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import collections
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import logging
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from sushy.resources import base
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from sushy.resources.system import mappings as sys_maps
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# Representation of Summary of Processor information
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ProcessorSummary = collections.namedtuple('ProcessorSummary',
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['count', 'architecture'])
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LOG = logging.getLogger(__name__)
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class Processor(base.ResourceBase):
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identity = base.Field('Id', required=True)
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"""The processor identity string"""
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socket = base.Field('Socket')
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"""The socket or location of the processor"""
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# TODO(deray): Create mappings for the processor_type
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processor_type = base.Field('ProcessorType')
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"""The type of processor"""
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processor_architecture = base.MappedField(
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'ProcessorArchitecture', sys_maps.PROCESSOR_ARCH_VALUE_MAP)
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"""The architecture of the processor"""
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# TODO(deray): Create mappings for the instruction_set
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instruction_set = base.Field('InstructionSet')
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"""The instruction set of the processor"""
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manufacturer = base.Field('Manufacturer')
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"""The processor manufacturer"""
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model = base.Field('Model')
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"""The product model number of this device"""
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max_speed_mhz = base.Field('MaxSpeedMHz', adapter=int)
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"""The maximum clock speed of the processor in MHz."""
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total_cores = base.Field('TotalCores', adapter=int)
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"""The total number of cores contained in this processor"""
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total_threads = base.Field('TotalThreads', adapter=int)
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"""The total number of execution threads supported by this processor"""
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def __init__(self, connector, identity, redfish_version=None):
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"""A class representing a Processor
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:param connector: A Connector instance
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:param identity: The identity of the processor
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:param redfish_version: The version of RedFish. Used to construct
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the object according to schema of the given version.
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"""
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super(Processor, self).__init__(connector, identity, redfish_version)
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class ProcessorCollection(base.ResourceCollectionBase):
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@property
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def _resource_type(self):
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return Processor
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_summary = None
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"""The summary of processors of the system in general detail
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This has to be accessed by exposed :prop:`summary`.
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"""
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@property
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def summary(self):
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"""Property to provide ProcessorSummary info
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It is calculated once when the first time it is queried. On refresh,
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this property gets reset.
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:returns: A namedtuple containing the following:
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count: The number of processors in the system. To be precise,
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it returns the number of logical CPUs (threads).
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architecture: The architecture of the processor/s.
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"""
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if self._summary is None:
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count, architecture = 0, None
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for proc in self.get_members():
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# Note(deray): It attempts to detect the number of CPU cores.
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# It returns the number of logical CPUs.
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if proc.total_threads is not None:
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count += proc.total_threads
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# Note(deray): Bail out of checking the architecture info
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# if you have already got hold of any one of the processors'
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# architecture information.
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if (architecture is None
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and proc.processor_architecture is not None):
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architecture = proc.processor_architecture
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self._summary = ProcessorSummary(count=count,
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architecture=architecture)
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return self._summary
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def __init__(self, connector, path, redfish_version=None):
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"""A class representing a ProcessorCollection
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:param connector: A Connector instance
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:param path: The canonical path to the Processor collection resource
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:param redfish_version: The version of RedFish. Used to construct
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the object according to schema of the given version.
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"""
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super(ProcessorCollection, self).__init__(connector, path,
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redfish_version)
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def refresh(self):
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"""Refresh the resource"""
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super(ProcessorCollection, self).refresh()
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# Reset summary attribute
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self._summary = None
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