c2b5ca99e3
from: 026342771c6642980cb4653b1ec4d857a5d8be54 Bug: 167996145 Change-Id: I2ebf7f019afed1cbe9b60dcd82581bd3a52fe109
83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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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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#ifndef HARDWARE_GOOGLE_PIXEL_POWERSTATS_DVFSSTATERESIDENCYDATAPROVIDER_H
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#define HARDWARE_GOOGLE_PIXEL_POWERSTATS_DVFSSTATERESIDENCYDATAPROVIDER_H
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#include <pixelpowerstats/PowerStats.h>
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namespace android {
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namespace hardware {
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namespace google {
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namespace pixel {
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namespace powerstats {
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class DvfsStateResidencyDataProvider : public IStateResidencyDataProvider {
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public:
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/*
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* path - path to dvfs sysfs node.
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* clockRate - clock rate in KHz.
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*/
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DvfsStateResidencyDataProvider(std::string path, uint64_t clockRate);
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~DvfsStateResidencyDataProvider() = default;
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/*
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* id - the power entity id
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* name - the power entity name to parse from sysfs node
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* frequencies - list of pairs (frequency display name, frequency in sysfs
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* node).
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*/
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void addEntity(uint32_t id, std::string name,
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std::vector<std::pair<std::string, std::string>> frequencies);
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/*
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* See IStateResidencyDataProvider::getResults.
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*/
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bool getResults(
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std::unordered_map<uint32_t, PowerEntityStateResidencyResult> &results) override;
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/*
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* See IStateResidencyDataProvider::getStateSpaces.
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*/
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std::vector<PowerEntityStateSpace> getStateSpaces() override;
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private:
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int32_t matchEntity(char *line);
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int32_t matchState(char *line, int32_t entityId);
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bool parseState(char *line, uint64_t &duration, uint64_t &count);
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const std::string mPath;
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const uint64_t mClockRate;
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struct config {
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// Power entity id.
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uint32_t powerEntityId;
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// Power entity name to parse.
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std::string powerEntityName;
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// List of state pairs (name to display, name to parse).
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std::vector<std::pair<std::string, std::string>> states;
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};
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std::vector<config> mPowerEntities;
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};
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} // namespace powerstats
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} // namespace pixel
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} // namespace google
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} // namespace hardware
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} // namespace android
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#endif // HARDWARE_GOOGLE_PIXEL_POWERSTATS_DVFSSTATERESIDENCYDATAPROVIDER_H
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