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/*
* Copyright (C) 2019 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.
*/
#define LOG_TAG "pwrstats_util"
#include "PowerEntityResidencyDataProvider.h"
#include <android-base/logging.h>
#include <android/hardware/power/stats/1.0/IPowerStats.h>
using android::sp;
using android::hardware::Return;
/**
* Power Entity State Residency data provider:
* Provides data monitored by Power Stats HAL 1.0
**/
int PowerEntityResidencyDataProvider::get(std::unordered_map<std::string, uint64_t>* data) {
sp<android::hardware::power::stats::V1_0::IPowerStats> powerStatsService =
android::hardware::power::stats::V1_0::IPowerStats::getService();
if (powerStatsService == nullptr) {
LOG(ERROR) << "Unable to get power.stats HAL service.";
return 1;
}
std::unordered_map<uint32_t, std::string> entityNames;
std::unordered_map<uint32_t, std::unordered_map<uint32_t, std::string>> stateNames;
Return<void> ret;
ret = powerStatsService->getPowerEntityInfo([&entityNames](auto infos, auto /* status */) {
for (auto const& info : infos) {
entityNames.emplace(info.powerEntityId, info.powerEntityName);
}
});
if (!ret.isOk()) {
return 1;
}
ret = powerStatsService->getPowerEntityStateInfo({}, [&stateNames](auto stateSpaces,
auto /* status */) {
for (auto const& stateSpace : stateSpaces) {
stateNames.emplace(stateSpace.powerEntityId,
std::unordered_map<uint32_t, std::string>());
auto& entityStateNames = stateNames.at(stateSpace.powerEntityId);
for (auto const& state : stateSpace.states) {
entityStateNames.emplace(state.powerEntityStateId, state.powerEntityStateName);
}
}
});
if (!ret.isOk()) {
return 1;
}
ret = powerStatsService->getPowerEntityStateResidencyData({}, [&entityNames, &stateNames,
&data](auto results,
auto /* status */) {
for (auto const& result : results) {
for (auto stateResidency : result.stateResidencyData) {
std::ostringstream key;
key << entityNames.at(result.powerEntityId) << "__"
<< stateNames.at(result.powerEntityId).at(stateResidency.powerEntityStateId);
data->emplace(key.str(), static_cast<uint64_t>(stateResidency.totalTimeInStateMs));
}
}
});
if (!ret.isOk()) {
return 1;
}
return 0;
}
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