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Diffstat (limited to 'powerstats/include/DvfsStateResidencyDataProvider.h')
-rw-r--r-- | powerstats/include/DvfsStateResidencyDataProvider.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/powerstats/include/DvfsStateResidencyDataProvider.h b/powerstats/include/DvfsStateResidencyDataProvider.h new file mode 100644 index 0000000..ca8ab22 --- /dev/null +++ b/powerstats/include/DvfsStateResidencyDataProvider.h @@ -0,0 +1,68 @@ +/* + * Copyright (C) 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#pragma once + +#include <PowerStatsAidl.h> + +namespace aidl { +namespace android { +namespace hardware { +namespace power { +namespace stats { + +class DvfsStateResidencyDataProvider : public PowerStats::IStateResidencyDataProvider { + public: + class Config { + public: + // Power entity name to parse. + std::string powerEntityName; + + // List of state pairs (name to display, name to parse). + std::vector<std::pair<std::string, std::string>> states; + }; + /* + * path - path to dvfs sysfs node. + * clockRate - clock rate in KHz. + */ + DvfsStateResidencyDataProvider(std::string path, uint64_t clockRate, std::vector<Config> cfgs); + ~DvfsStateResidencyDataProvider() = default; + + /* + * See IStateResidencyDataProvider::getStateResidencies + */ + bool getStateResidencies( + std::unordered_map<std::string, std::vector<StateResidency>> *residencies) override; + + /* + * See IStateResidencyDataProvider::getInfo + */ + std::unordered_map<std::string, std::vector<State>> getInfo() override; + + private: + int32_t matchEntity(char const *line); + int32_t matchState(char const *line, const Config& powerEntity); + bool parseState(char const *line, uint64_t *duration, uint64_t *count); + + const std::string mPath; + const uint64_t mClockRate; + std::vector<Config> mPowerEntities; +}; + +} // namespace stats +} // namespace power +} // namespace hardware +} // namespace android +} // namespace aidl |