| /* |
| * Copyright (C) 2017 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/1.0/IPower.h> |
| #include <android/hardware/power/1.1/IPower.h> |
| #include <fcntl.h> |
| #include <hardware/power.h> |
| #include <hardware_legacy/power.h> |
| #include <inttypes.h> |
| #include <semaphore.h> |
| #include <stddef.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include "external/SubsystemSleepStatePuller.h" |
| #include "external/StatsPuller.h" |
| |
| #include "SubsystemSleepStatePuller.h" |
| #include "logd/LogEvent.h" |
| #include "statslog.h" |
| #include "stats_log_util.h" |
| |
| using android::hardware::hidl_vec; |
| using android::hardware::power::V1_0::IPower; |
| using android::hardware::power::V1_0::PowerStatePlatformSleepState; |
| using android::hardware::power::V1_0::PowerStateVoter; |
| using android::hardware::power::V1_0::Status; |
| using android::hardware::power::V1_1::PowerStateSubsystem; |
| using android::hardware::power::V1_1::PowerStateSubsystemSleepState; |
| using android::hardware::Return; |
| using android::hardware::Void; |
| |
| using std::make_shared; |
| using std::shared_ptr; |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| sp<android::hardware::power::V1_0::IPower> gPowerHalV1_0 = nullptr; |
| sp<android::hardware::power::V1_1::IPower> gPowerHalV1_1 = nullptr; |
| std::mutex gPowerHalMutex; |
| bool gPowerHalExists = true; |
| |
| bool getPowerHal() { |
| if (gPowerHalExists && gPowerHalV1_0 == nullptr) { |
| gPowerHalV1_0 = android::hardware::power::V1_0::IPower::getService(); |
| if (gPowerHalV1_0 != nullptr) { |
| gPowerHalV1_1 = android::hardware::power::V1_1::IPower::castFrom(gPowerHalV1_0); |
| ALOGI("Loaded power HAL service"); |
| } else { |
| ALOGW("Couldn't load power HAL service"); |
| gPowerHalExists = false; |
| } |
| } |
| return gPowerHalV1_0 != nullptr; |
| } |
| |
| SubsystemSleepStatePuller::SubsystemSleepStatePuller() : StatsPuller(android::util::SUBSYSTEM_SLEEP_STATE) { |
| } |
| |
| bool SubsystemSleepStatePuller::PullInternal(vector<shared_ptr<LogEvent>>* data) { |
| std::lock_guard<std::mutex> lock(gPowerHalMutex); |
| |
| if (!getPowerHal()) { |
| ALOGE("Power Hal not loaded"); |
| return false; |
| } |
| |
| int64_t wallClockTimestampNs = getWallClockNs(); |
| int64_t elapsedTimestampNs = getElapsedRealtimeNs(); |
| |
| data->clear(); |
| |
| Return<void> ret; |
| ret = gPowerHalV1_0->getPlatformLowPowerStats( |
| [&data, wallClockTimestampNs, elapsedTimestampNs](hidl_vec<PowerStatePlatformSleepState> states, Status status) { |
| if (status != Status::SUCCESS) return; |
| |
| for (size_t i = 0; i < states.size(); i++) { |
| const PowerStatePlatformSleepState& state = states[i]; |
| |
| auto statePtr = make_shared<LogEvent>( |
| android::util::SUBSYSTEM_SLEEP_STATE, |
| wallClockTimestampNs, elapsedTimestampNs); |
| statePtr->write(state.name); |
| statePtr->write(""); |
| statePtr->write(state.totalTransitions); |
| statePtr->write(state.residencyInMsecSinceBoot); |
| statePtr->init(); |
| data->push_back(statePtr); |
| VLOG("powerstate: %s, %lld, %lld, %d", state.name.c_str(), |
| (long long)state.residencyInMsecSinceBoot, |
| (long long)state.totalTransitions, |
| state.supportedOnlyInSuspend ? 1 : 0); |
| for (const auto& voter : state.voters) { |
| auto voterPtr = make_shared<LogEvent>( |
| android::util::SUBSYSTEM_SLEEP_STATE, |
| wallClockTimestampNs, elapsedTimestampNs); |
| voterPtr->write(state.name); |
| voterPtr->write(voter.name); |
| voterPtr->write(voter.totalNumberOfTimesVotedSinceBoot); |
| voterPtr->write(voter.totalTimeInMsecVotedForSinceBoot); |
| voterPtr->init(); |
| data->push_back(voterPtr); |
| VLOG("powerstatevoter: %s, %s, %lld, %lld", state.name.c_str(), |
| voter.name.c_str(), |
| (long long)voter.totalTimeInMsecVotedForSinceBoot, |
| (long long)voter.totalNumberOfTimesVotedSinceBoot); |
| } |
| } |
| }); |
| if (!ret.isOk()) { |
| ALOGE("getLowPowerStats() failed: power HAL service not available"); |
| gPowerHalV1_0 = nullptr; |
| return false; |
| } |
| |
| // Trying to cast to IPower 1.1, this will succeed only for devices supporting 1.1 |
| sp<android::hardware::power::V1_1::IPower> gPowerHal_1_1 = |
| android::hardware::power::V1_1::IPower::castFrom(gPowerHalV1_0); |
| if (gPowerHal_1_1 != nullptr) { |
| ret = gPowerHal_1_1->getSubsystemLowPowerStats( |
| [&data, wallClockTimestampNs, elapsedTimestampNs](hidl_vec<PowerStateSubsystem> subsystems, Status status) { |
| if (status != Status::SUCCESS) return; |
| |
| if (subsystems.size() > 0) { |
| for (size_t i = 0; i < subsystems.size(); i++) { |
| const PowerStateSubsystem& subsystem = subsystems[i]; |
| for (size_t j = 0; j < subsystem.states.size(); j++) { |
| const PowerStateSubsystemSleepState& state = |
| subsystem.states[j]; |
| auto subsystemStatePtr = make_shared<LogEvent>( |
| android::util::SUBSYSTEM_SLEEP_STATE, |
| wallClockTimestampNs, elapsedTimestampNs); |
| subsystemStatePtr->write(subsystem.name); |
| subsystemStatePtr->write(state.name); |
| subsystemStatePtr->write(state.totalTransitions); |
| subsystemStatePtr->write(state.residencyInMsecSinceBoot); |
| subsystemStatePtr->init(); |
| data->push_back(subsystemStatePtr); |
| VLOG("subsystemstate: %s, %s, %lld, %lld, %lld", |
| subsystem.name.c_str(), state.name.c_str(), |
| (long long)state.residencyInMsecSinceBoot, |
| (long long)state.totalTransitions, |
| (long long)state.lastEntryTimestampMs); |
| } |
| } |
| } |
| }); |
| } |
| return true; |
| } |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |