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a9e254742a
Additionally check for aliases when matching runtime parameters to their corresponding cfg points.
103 lines
4.0 KiB
Python
103 lines
4.0 KiB
Python
# Copyright 2018 ARM Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from collections import namedtuple
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from wa.framework.exception import ConfigError
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from wa.framework.target.runtime_config import (SysfileValuesRuntimeConfig,
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HotplugRuntimeConfig,
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CpufreqRuntimeConfig,
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CpuidleRuntimeConfig,
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AndroidRuntimeConfig)
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from wa.utils.types import obj_dict, caseless_string
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class RuntimeParameterManager(object):
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runtime_config_cls = [
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# order matters
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SysfileValuesRuntimeConfig,
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HotplugRuntimeConfig,
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CpufreqRuntimeConfig,
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CpuidleRuntimeConfig,
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AndroidRuntimeConfig,
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]
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def __init__(self, target):
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self.target = target
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self.runtime_configs = [cls(self.target) for cls in self.runtime_config_cls]
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self.runtime_params = {}
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runtime_parameter = namedtuple('RuntimeParameter', 'cfg_point, rt_config')
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for cfg in self.runtime_configs:
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for param in cfg.supported_parameters:
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if param.name in self.runtime_params:
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msg = 'Duplicate runtime parameter name "{}": in both {} and {}'
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raise RuntimeError(msg.format(param.name,
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self.runtime_params[param.name].rt_config.name,
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cfg.name))
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self.runtime_params[param.name] = runtime_parameter(param, cfg)
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# Uses corresponding config point to merge parameters
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def merge_runtime_parameters(self, parameters):
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merged_params = obj_dict()
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for source in parameters:
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for name, value in parameters[source].items():
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cp = self.get_cfg_point(name)
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cp.set_value(merged_params, value)
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return dict(merged_params)
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# Validates runtime_parameters against each other
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def validate_runtime_parameters(self, parameters):
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self.clear_runtime_parameters()
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self.set_runtime_parameters(parameters)
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for cfg in self.runtime_configs:
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cfg.validate_parameters()
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# Writes the given parameters to the device.
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def commit_runtime_parameters(self, parameters):
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self.clear_runtime_parameters()
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self.set_runtime_parameters(parameters)
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for cfg in self.runtime_configs:
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cfg.commit()
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# Stores a set of parameters performing isolated validation when appropriate
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def set_runtime_parameters(self, parameters):
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for name, value in parameters.items():
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cfg = self.get_config_for_name(name)
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if cfg is None:
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msg = 'Unsupported runtime parameter: "{}"'
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raise ConfigError(msg.format(name))
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cfg.set_runtime_parameter(name, value)
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def clear_runtime_parameters(self):
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for cfg in self.runtime_configs:
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cfg.clear()
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cfg.set_defaults()
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def get_config_for_name(self, name):
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name = caseless_string(name)
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for k, v in self.runtime_params.items():
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if name == k:
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return v.rt_config
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return None
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def get_cfg_point(self, name):
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name = caseless_string(name)
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for k, v in self.runtime_params.items():
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if name == k or name in v.cfg_point.aliases:
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return v.cfg_point
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raise ConfigError('Unknown runtime parameter: {}'.format(name))
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