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Diffstat (limited to 'cmds/statsd/src/external/PowerStatsPuller.cpp')
| -rw-r--r-- | cmds/statsd/src/external/PowerStatsPuller.cpp | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/cmds/statsd/src/external/PowerStatsPuller.cpp b/cmds/statsd/src/external/PowerStatsPuller.cpp deleted file mode 100644 index dc69b78f0329..000000000000 --- a/cmds/statsd/src/external/PowerStatsPuller.cpp +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright (C) 2018 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 DEBUG false // STOPSHIP if true -#include "Log.h" - -#include <android/hardware/power/stats/1.0/IPowerStats.h> - -#include <vector> - -#include "PowerStatsPuller.h" -#include "statslog.h" -#include "stats_log_util.h" - -using android::hardware::hidl_vec; -using android::hardware::power::stats::V1_0::IPowerStats; -using android::hardware::power::stats::V1_0::EnergyData; -using android::hardware::power::stats::V1_0::RailInfo; -using android::hardware::power::stats::V1_0::Status; -using android::hardware::Return; -using android::hardware::Void; - -using std::make_shared; -using std::shared_ptr; - -namespace android { -namespace os { -namespace statsd { - -static sp<android::hardware::power::stats::V1_0::IPowerStats> gPowerStatsHal = nullptr; -static std::mutex gPowerStatsHalMutex; -static bool gPowerStatsExist = true; // Initialized to ensure making a first attempt. -static std::vector<RailInfo> gRailInfo; - -struct PowerStatsPullerDeathRecipient : virtual public hardware::hidl_death_recipient { - virtual void serviceDied(uint64_t cookie, - const wp<android::hidl::base::V1_0::IBase>& who) override { - // The HAL just died. Reset all handles to HAL services. - std::lock_guard<std::mutex> lock(gPowerStatsHalMutex); - gPowerStatsHal = nullptr; - } -}; - -static sp<PowerStatsPullerDeathRecipient> gDeathRecipient = new PowerStatsPullerDeathRecipient(); - -static bool getPowerStatsHalLocked() { - if (gPowerStatsHal == nullptr && gPowerStatsExist) { - gPowerStatsHal = android::hardware::power::stats::V1_0::IPowerStats::getService(); - if (gPowerStatsHal == nullptr) { - ALOGW("Couldn't load power.stats HAL service"); - gPowerStatsExist = false; - } else { - // Link death recipient to power.stats service handle - hardware::Return<bool> linked = gPowerStatsHal->linkToDeath(gDeathRecipient, 0); - if (!linked.isOk()) { - ALOGE("Transaction error in linking to power.stats HAL death: %s", - linked.description().c_str()); - gPowerStatsHal = nullptr; - return false; - } else if (!linked) { - ALOGW("Unable to link to power.stats HAL death notifications"); - // We should still continue even though linking failed - } - } - } - return gPowerStatsHal != nullptr; -} - -PowerStatsPuller::PowerStatsPuller() : StatsPuller(android::util::ON_DEVICE_POWER_MEASUREMENT) { -} - -bool PowerStatsPuller::PullInternal(vector<shared_ptr<LogEvent>>* data) { - std::lock_guard<std::mutex> lock(gPowerStatsHalMutex); - - if (!getPowerStatsHalLocked()) { - return false; - } - - int64_t wallClockTimestampNs = getWallClockNs(); - int64_t elapsedTimestampNs = getElapsedRealtimeNs(); - - data->clear(); - - // Pull getRailInfo if necessary - if (gRailInfo.empty()) { - bool resultSuccess = true; - Return<void> ret = gPowerStatsHal->getRailInfo( - [&resultSuccess](const hidl_vec<RailInfo> &list, Status status) { - resultSuccess = (status == Status::SUCCESS || status == Status::NOT_SUPPORTED); - if (status != Status::SUCCESS) return; - - gRailInfo.reserve(list.size()); - for (size_t i = 0; i < list.size(); ++i) { - gRailInfo.push_back(list[i]); - } - }); - if (!resultSuccess || !ret.isOk()) { - ALOGE("power.stats getRailInfo() failed. Description: %s", ret.description().c_str()); - gPowerStatsHal = nullptr; - return false; - } - // If SUCCESS but empty, or if NOT_SUPPORTED, then never try again. - if (gRailInfo.empty()) { - ALOGE("power.stats has no rail information"); - gPowerStatsExist = false; // No rail info, so never try again. - gPowerStatsHal = nullptr; - return false; - } - } - - // Pull getEnergyData and write the data out - const hidl_vec<uint32_t> desiredRailIndices; // Empty vector indicates we want all. - bool resultSuccess = true; - Return<void> ret = gPowerStatsHal->getEnergyData(desiredRailIndices, - [&data, wallClockTimestampNs, elapsedTimestampNs, &resultSuccess] - (hidl_vec<EnergyData> energyDataList, Status status) { - resultSuccess = (status == Status::SUCCESS); - if (!resultSuccess) return; - - for (size_t i = 0; i < energyDataList.size(); i++) { - const EnergyData& energyData = energyDataList[i]; - - if (energyData.index >= gRailInfo.size()) { - ALOGE("power.stats getEnergyData() returned an invalid rail index %u.", - energyData.index); - resultSuccess = false; - return; - } - const RailInfo& rail = gRailInfo[energyData.index]; - - auto ptr = make_shared<LogEvent>(android::util::ON_DEVICE_POWER_MEASUREMENT, - wallClockTimestampNs, elapsedTimestampNs); - ptr->write(rail.subsysName); - ptr->write(rail.railName); - ptr->write(energyData.timestamp); - ptr->write(energyData.energy); - ptr->init(); - data->push_back(ptr); - - VLOG("power.stat: %s.%s: %llu, %llu", - rail.subsysName.c_str(), - rail.railName.c_str(), - (unsigned long long)energyData.timestamp, - (unsigned long long)energyData.energy); - } - }); - if (!resultSuccess || !ret.isOk()) { - ALOGE("power.stats getEnergyData() failed. Description: %s", ret.description().c_str()); - gPowerStatsHal = nullptr; - return false; - } - return true; -} - -} // namespace statsd -} // namespace os -} // namespace android |