168 lines
7.2 KiB
C++
168 lines
7.2 KiB
C++
/*
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* Copyright (C) 2017 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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#define DEBUG true // STOPSHIP if true
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#include "Log.h"
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#include <android/hardware/power/1.0/IPower.h>
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#include <android/hardware/power/1.1/IPower.h>
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#include <fcntl.h>
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#include <hardware/power.h>
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#include <hardware_legacy/power.h>
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#include <inttypes.h>
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#include <semaphore.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "external/SubsystemSleepStatePuller.h"
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#include "external/StatsPuller.h"
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#include "SubsystemSleepStatePuller.h"
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#include "logd/LogEvent.h"
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#include "statslog.h"
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using android::hardware::hidl_vec;
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using android::hardware::power::V1_0::IPower;
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using android::hardware::power::V1_0::PowerStatePlatformSleepState;
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using android::hardware::power::V1_0::PowerStateVoter;
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using android::hardware::power::V1_0::Status;
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using android::hardware::power::V1_1::PowerStateSubsystem;
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using android::hardware::power::V1_1::PowerStateSubsystemSleepState;
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using android::hardware::Return;
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using android::hardware::Void;
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using std::make_shared;
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using std::shared_ptr;
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namespace android {
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namespace os {
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namespace statsd {
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sp<android::hardware::power::V1_0::IPower> gPowerHalV1_0 = nullptr;
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sp<android::hardware::power::V1_1::IPower> gPowerHalV1_1 = nullptr;
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std::mutex gPowerHalMutex;
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bool gPowerHalExists = true;
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bool getPowerHal() {
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if (gPowerHalExists && gPowerHalV1_0 == nullptr) {
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gPowerHalV1_0 = android::hardware::power::V1_0::IPower::getService();
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if (gPowerHalV1_0 != nullptr) {
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gPowerHalV1_1 = android::hardware::power::V1_1::IPower::castFrom(gPowerHalV1_0);
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ALOGI("Loaded power HAL service");
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} else {
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ALOGW("Couldn't load power HAL service");
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gPowerHalExists = false;
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}
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}
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return gPowerHalV1_0 != nullptr;
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}
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SubsystemSleepStatePuller::SubsystemSleepStatePuller() : StatsPuller(android::util::SUBSYSTEM_SLEEP_STATE) {
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}
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bool SubsystemSleepStatePuller::PullInternal(vector<shared_ptr<LogEvent>>* data) {
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std::lock_guard<std::mutex> lock(gPowerHalMutex);
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if (!getPowerHal()) {
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ALOGE("Power Hal not loaded");
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return false;
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}
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uint64_t timestamp = time(nullptr) * NS_PER_SEC;
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data->clear();
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Return<void> ret;
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ret = gPowerHalV1_0->getPlatformLowPowerStats(
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[&data, timestamp](hidl_vec<PowerStatePlatformSleepState> states, Status status) {
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if (status != Status::SUCCESS) return;
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for (size_t i = 0; i < states.size(); i++) {
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const PowerStatePlatformSleepState& state = states[i];
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auto statePtr = make_shared<LogEvent>(android::util::SUBSYSTEM_SLEEP_STATE,
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timestamp);
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statePtr->write(state.name);
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statePtr->write(state.totalTransitions);
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statePtr->write(state.residencyInMsecSinceBoot);
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statePtr->init();
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data->push_back(statePtr);
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VLOG("powerstate: %s, %lld, %lld, %d", state.name.c_str(),
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(long long)state.residencyInMsecSinceBoot,
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(long long)state.totalTransitions,
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state.supportedOnlyInSuspend ? 1 : 0);
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for (auto voter : state.voters) {
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auto voterPtr = make_shared<LogEvent>(android::util::SUBSYSTEM_SLEEP_STATE,
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timestamp);
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voterPtr->write((std::string)state.name + "." + (std::string)voter.name);
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voterPtr->write(voter.totalNumberOfTimesVotedSinceBoot);
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voterPtr->write(voter.totalTimeInMsecVotedForSinceBoot);
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voterPtr->init();
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data->push_back(voterPtr);
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VLOG("powerstatevoter: %s, %s, %lld, %lld", state.name.c_str(),
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voter.name.c_str(),
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(long long)voter.totalTimeInMsecVotedForSinceBoot,
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(long long)voter.totalNumberOfTimesVotedSinceBoot);
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}
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}
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});
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if (!ret.isOk()) {
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ALOGE("getLowPowerStats() failed: power HAL service not available");
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gPowerHalV1_0 = nullptr;
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return false;
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}
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// Trying to cast to IPower 1.1, this will succeed only for devices supporting 1.1
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sp<android::hardware::power::V1_1::IPower> gPowerHal_1_1 =
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android::hardware::power::V1_1::IPower::castFrom(gPowerHalV1_0);
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if (gPowerHal_1_1 != nullptr) {
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ret = gPowerHal_1_1->getSubsystemLowPowerStats(
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[&data, timestamp](hidl_vec<PowerStateSubsystem> subsystems, Status status) {
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if (status != Status::SUCCESS) return;
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if (subsystems.size() > 0) {
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for (size_t i = 0; i < subsystems.size(); i++) {
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const PowerStateSubsystem& subsystem = subsystems[i];
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for (size_t j = 0; j < subsystem.states.size(); j++) {
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const PowerStateSubsystemSleepState& state =
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subsystem.states[j];
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auto subsystemStatePtr = make_shared<LogEvent>(
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android::util::SUBSYSTEM_SLEEP_STATE, timestamp);
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subsystemStatePtr->write((std::string)subsystem.name + "." + (std::string)state.name);
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subsystemStatePtr->write(state.totalTransitions);
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subsystemStatePtr->write(state.residencyInMsecSinceBoot);
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subsystemStatePtr->init();
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data->push_back(subsystemStatePtr);
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VLOG("subsystemstate: %s, %s, %lld, %lld, %lld",
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subsystem.name.c_str(), state.name.c_str(),
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(long long)state.residencyInMsecSinceBoot,
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(long long)state.totalTransitions,
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(long long)state.lastEntryTimestampMs);
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}
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}
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}
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});
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}
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return true;
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}
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} // namespace statsd
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} // namespace os
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} // namespace android
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