mirror of
https://github.com/Evolution-X-Devices/device_google_wahoo
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47d6d0135c
Members of designated initializers in C++20 must be ordered, unlike C99. Bug: 139945549 Test: mm Change-Id: I34f715dcd9991403b8ae99b85fbe357da3c46971 Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
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* Copyright (C) 2018 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 LOG_TAG "easelstateresidency"
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#include <android-base/logging.h>
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#include <fstream>
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#include "EaselStateResidencyDataProvider.h"
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namespace android {
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namespace device {
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namespace google {
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namespace wahoo {
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namespace powerstats {
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const uint32_t EASEL_SYNTHETIC_SLEEP_ID = 0;
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EaselStateResidencyDataProvider::EaselStateResidencyDataProvider(uint32_t id) :
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mPowerEntityId(id), mTotalOnSnapshotCount(0), mTotalNotOnSnapshotCount(0) {}
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bool EaselStateResidencyDataProvider::getResults(
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std::unordered_map<uint32_t, PowerEntityStateResidencyResult> &results) {
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const std::string path = "/sys/devices/virtual/misc/mnh_sm/state";
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enum easel_state {
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EASEL_OFF = 0,
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EASEL_ON,
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EASEL_SUSPENDED,
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NUM_EASEL_STATES
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};
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// Since we are storing stats locally but can have multiple parallel
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// callers, locking is required to ensure stats are not corrupted.
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std::lock_guard<std::mutex> lock(mLock);
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std::ifstream inFile(path, std::ifstream::in);
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if (!inFile.is_open()) {
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PLOG(ERROR) << __func__ << ":Failed to open file " << path;
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return false;
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}
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unsigned long currentState;
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if(!(inFile >> currentState) || currentState >= NUM_EASEL_STATES) {
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PLOG(ERROR) << __func__ << ":Failed to parse " << path;
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return false;
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}
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// Update statistics for synthetic sleep state. We combine OFF and
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// SUSPENDED to act as a composite "not on" state so the numbers will behave
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// like a real sleep state.
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if ((currentState == EASEL_OFF) || (currentState == EASEL_SUSPENDED)) {
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mTotalNotOnSnapshotCount++;
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} else {
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mTotalOnSnapshotCount++;
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}
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// Update statistics for synthetic sleep state, where
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// totalStateEntryCount = cumulative count of Easel state0 and state2
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// (as seen by power.stats HAL)
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// totalTimeInStateMs = cumulative count of Easel state1 (as seen by
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// power.stats HAL)
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PowerEntityStateResidencyResult result = {
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.powerEntityId = mPowerEntityId,
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.stateResidencyData = {{.powerEntityStateId = EASEL_SYNTHETIC_SLEEP_ID,
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.totalTimeInStateMs = mTotalNotOnSnapshotCount,
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.totalStateEntryCount = mTotalOnSnapshotCount,
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.lastEntryTimestampMs = 0}}
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};
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results.emplace(std::make_pair(mPowerEntityId, result));
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return true;
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}
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std::vector<PowerEntityStateSpace> EaselStateResidencyDataProvider::getStateSpaces() {
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return {
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{.powerEntityId = mPowerEntityId,
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.states = {
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{
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.powerEntityStateId = EASEL_SYNTHETIC_SLEEP_ID,
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.powerEntityStateName = "SyntheticSleep"
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}
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}
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}
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};
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}
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} // namespace powerstats
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} // namespace wahoo
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} // namespace google
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} // namespace device
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} // namespace android
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