d1ab8cd588
hardware/google/pixel/power-libperfmgr from android11-release Signed-off-by: Subhajeet Muhuri <subhajeet.muhuri@gmail.com>
392 lines
14 KiB
C++
392 lines
14 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 specic language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "libperfmgr"
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#include "perfmgr/HintManager.h"
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <json/reader.h>
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#include <json/value.h>
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#include <algorithm>
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#include <set>
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#include "perfmgr/FileNode.h"
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#include "perfmgr/PropertyNode.h"
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namespace android {
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namespace perfmgr {
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bool HintManager::ValidateHint(const std::string& hint_type) const {
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if (nm_.get() == nullptr) {
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LOG(ERROR) << "NodeLooperThread not present";
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return false;
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}
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return IsHintSupported(hint_type);
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}
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bool HintManager::IsHintSupported(const std::string& hint_type) const {
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if (actions_.find(hint_type) == actions_.end()) {
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LOG(INFO) << "Hint type not present in actions: " << hint_type;
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return false;
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}
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return true;
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}
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bool HintManager::DoHint(const std::string& hint_type) {
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LOG(VERBOSE) << "Do Powerhint: " << hint_type;
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return ValidateHint(hint_type)
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? nm_->Request(actions_.at(hint_type), hint_type)
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: false;
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}
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bool HintManager::DoHint(const std::string& hint_type,
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std::chrono::milliseconds timeout_ms_override) {
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LOG(VERBOSE) << "Do Powerhint: " << hint_type << " for "
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<< timeout_ms_override.count() << "ms";
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if (!ValidateHint(hint_type)) {
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return false;
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}
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std::vector<NodeAction> actions_override = actions_.at(hint_type);
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for (auto& action : actions_override) {
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action.timeout_ms = timeout_ms_override;
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}
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return nm_->Request(actions_override, hint_type);
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}
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bool HintManager::EndHint(const std::string& hint_type) {
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LOG(VERBOSE) << "End Powerhint: " << hint_type;
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return ValidateHint(hint_type)
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? nm_->Cancel(actions_.at(hint_type), hint_type)
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: false;
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}
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bool HintManager::IsRunning() const {
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return (nm_.get() == nullptr) ? false : nm_->isRunning();
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}
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std::vector<std::string> HintManager::GetHints() const {
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std::vector<std::string> hints;
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for (auto const& action : actions_) {
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hints.push_back(action.first);
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}
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return hints;
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}
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void HintManager::DumpToFd(int fd) {
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std::string header(
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"========== Begin perfmgr nodes ==========\n"
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"Node Name\t"
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"Node Path\t"
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"Current Index\t"
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"Current Value\n");
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if (!android::base::WriteStringToFd(header, fd)) {
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LOG(ERROR) << "Failed to dump fd: " << fd;
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}
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nm_->DumpToFd(fd);
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std::string footer("========== End perfmgr nodes ==========\n");
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if (!android::base::WriteStringToFd(footer, fd)) {
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LOG(ERROR) << "Failed to dump fd: " << fd;
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}
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fsync(fd);
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}
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bool HintManager::Start() {
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return nm_->Start();
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}
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std::unique_ptr<HintManager> HintManager::GetFromJSON(
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const std::string& config_path, bool start) {
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std::string json_doc;
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if (!android::base::ReadFileToString(config_path, &json_doc)) {
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LOG(ERROR) << "Failed to read JSON config from " << config_path;
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return nullptr;
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}
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std::vector<std::unique_ptr<Node>> nodes = ParseNodes(json_doc);
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if (nodes.empty()) {
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LOG(ERROR) << "Failed to parse Nodes section from " << config_path;
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return nullptr;
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}
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std::map<std::string, std::vector<NodeAction>> actions =
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HintManager::ParseActions(json_doc, nodes);
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if (actions.empty()) {
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LOG(ERROR) << "Failed to parse Actions section from " << config_path;
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return nullptr;
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}
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sp<NodeLooperThread> nm = new NodeLooperThread(std::move(nodes));
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std::unique_ptr<HintManager> hm =
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std::make_unique<HintManager>(std::move(nm), actions);
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LOG(INFO) << "Initialized HintManager from JSON config: " << config_path;
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if (start) {
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hm->Start();
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}
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return hm;
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}
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std::vector<std::unique_ptr<Node>> HintManager::ParseNodes(
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const std::string& json_doc) {
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// function starts
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std::vector<std::unique_ptr<Node>> nodes_parsed;
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std::set<std::string> nodes_name_parsed;
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std::set<std::string> nodes_path_parsed;
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Json::Value root;
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Json::Reader reader;
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if (!reader.parse(json_doc, root)) {
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LOG(ERROR) << "Failed to parse JSON config";
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return nodes_parsed;
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}
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Json::Value nodes = root["Nodes"];
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for (Json::Value::ArrayIndex i = 0; i < nodes.size(); ++i) {
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std::string name = nodes[i]["Name"].asString();
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LOG(VERBOSE) << "Node[" << i << "]'s Name: " << name;
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if (name.empty()) {
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LOG(ERROR) << "Failed to read "
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<< "Node[" << i << "]'s Name";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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auto result = nodes_name_parsed.insert(name);
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if (!result.second) {
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LOG(ERROR) << "Duplicate Node[" << i << "]'s Name";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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std::string path = nodes[i]["Path"].asString();
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LOG(VERBOSE) << "Node[" << i << "]'s Path: " << path;
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if (path.empty()) {
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LOG(ERROR) << "Failed to read "
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<< "Node[" << i << "]'s Path";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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result = nodes_path_parsed.insert(path);
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if (!result.second) {
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LOG(ERROR) << "Duplicate Node[" << i << "]'s Path";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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bool is_file = true;
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std::string node_type = nodes[i]["Type"].asString();
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LOG(VERBOSE) << "Node[" << i << "]'s Type: " << node_type;
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if (node_type.empty()) {
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LOG(ERROR) << "Failed to read "
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<< "Node[" << i << "]'s Type, set to 'File' as default";
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} else if (node_type == "File") {
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is_file = true;
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} else if (node_type == "Property") {
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is_file = false;
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} else {
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LOG(ERROR) << "Invalid Node[" << i
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<< "]'s Type: only File and Property supported.";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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std::vector<RequestGroup> values_parsed;
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std::set<std::string> values_set_parsed;
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Json::Value values = nodes[i]["Values"];
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for (Json::Value::ArrayIndex j = 0; j < values.size(); ++j) {
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std::string value = values[j].asString();
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LOG(VERBOSE) << "Node[" << i << "]'s Value[" << j << "]: " << value;
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auto result = values_set_parsed.insert(value);
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if (!result.second) {
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LOG(ERROR) << "Duplicate value parsed in Node[" << i
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<< "]'s Value[" << j << "]";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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if (is_file && value.empty()) {
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LOG(ERROR) << "Failed to read Node[" << i << "]'s Value[" << j
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<< "]";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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values_parsed.emplace_back(value);
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}
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if (values_parsed.size() < 1) {
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LOG(ERROR) << "Failed to read Node[" << i << "]'s Values";
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nodes_parsed.clear();
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return nodes_parsed;
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}
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Json::UInt64 default_index = values_parsed.size() - 1;
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if (nodes[i]["DefaultIndex"].empty() ||
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!nodes[i]["DefaultIndex"].isUInt64()) {
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LOG(INFO) << "Failed to read Node[" << i
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<< "]'s DefaultIndex, set to last index: "
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<< default_index;
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} else {
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default_index = nodes[i]["DefaultIndex"].asUInt64();
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}
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if (default_index > values_parsed.size() - 1) {
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default_index = values_parsed.size() - 1;
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LOG(ERROR) << "Node[" << i
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<< "]'s DefaultIndex out of bound, max value index: "
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<< default_index;
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nodes_parsed.clear();
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return nodes_parsed;
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}
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LOG(VERBOSE) << "Node[" << i << "]'s DefaultIndex: " << default_index;
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bool reset = false;
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if (nodes[i]["ResetOnInit"].empty() ||
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!nodes[i]["ResetOnInit"].isBool()) {
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LOG(INFO) << "Failed to read Node[" << i
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<< "]'s ResetOnInit, set to 'false'";
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} else {
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reset = nodes[i]["ResetOnInit"].asBool();
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}
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LOG(VERBOSE) << "Node[" << i << "]'s ResetOnInit: " << std::boolalpha
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<< reset << std::noboolalpha;
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if (is_file) {
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bool hold_fd = false;
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if (nodes[i]["HoldFd"].empty() || !nodes[i]["HoldFd"].isBool()) {
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LOG(INFO) << "Failed to read Node[" << i
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<< "]'s HoldFd, set to 'false'";
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} else {
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hold_fd = nodes[i]["HoldFd"].asBool();
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}
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LOG(VERBOSE) << "Node[" << i << "]'s HoldFd: " << std::boolalpha
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<< hold_fd << std::noboolalpha;
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nodes_parsed.emplace_back(std::make_unique<FileNode>(
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name, path, values_parsed,
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static_cast<std::size_t>(default_index), reset, hold_fd));
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} else {
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nodes_parsed.emplace_back(std::make_unique<PropertyNode>(
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name, path, values_parsed,
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static_cast<std::size_t>(default_index), reset));
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}
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}
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LOG(INFO) << nodes_parsed.size() << " Nodes parsed successfully";
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return nodes_parsed;
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}
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std::map<std::string, std::vector<NodeAction>> HintManager::ParseActions(
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const std::string& json_doc,
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const std::vector<std::unique_ptr<Node>>& nodes) {
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// function starts
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std::map<std::string, std::vector<NodeAction>> actions_parsed;
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Json::Value root;
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Json::Reader reader;
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if (!reader.parse(json_doc, root)) {
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LOG(ERROR) << "Failed to parse JSON config";
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return actions_parsed;
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}
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Json::Value actions = root["Actions"];
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std::size_t total_parsed = 0;
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std::map<std::string, std::size_t> nodes_index;
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for (std::size_t i = 0; i < nodes.size(); ++i) {
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nodes_index[nodes[i]->GetName()] = i;
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}
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for (Json::Value::ArrayIndex i = 0; i < actions.size(); ++i) {
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const std::string& hint_type = actions[i]["PowerHint"].asString();
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LOG(VERBOSE) << "Action[" << i << "]'s PowerHint: " << hint_type;
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if (hint_type.empty()) {
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LOG(ERROR) << "Failed to read "
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<< "Action[" << i << "]'s PowerHint";
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actions_parsed.clear();
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return actions_parsed;
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}
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std::string node_name = actions[i]["Node"].asString();
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LOG(VERBOSE) << "Action[" << i << "]'s Node: " << node_name;
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std::size_t node_index;
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if (nodes_index.find(node_name) == nodes_index.end()) {
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LOG(ERROR) << "Failed to find "
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<< "Action[" << i << "]'s Node from Nodes section: ["
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<< node_name << "]";
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actions_parsed.clear();
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return actions_parsed;
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}
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node_index = nodes_index[node_name];
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std::string value_name = actions[i]["Value"].asString();
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LOG(VERBOSE) << "Action[" << i << "]'s Value: " << value_name;
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std::size_t value_index = 0;
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if (!nodes[node_index]->GetValueIndex(value_name, &value_index)) {
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LOG(ERROR) << "Failed to read Action[" << i << "]'s Value";
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LOG(ERROR) << "Action[" << i << "]'s Value " << value_name
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<< " is not defined in Node[" << node_name << "]";
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actions_parsed.clear();
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return actions_parsed;
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}
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LOG(VERBOSE) << "Action[" << i << "]'s ValueIndex: " << value_index;
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Json::UInt64 duration = 0;
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if (actions[i]["Duration"].empty() ||
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!actions[i]["Duration"].isUInt64()) {
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LOG(ERROR) << "Failed to read Action[" << i << "]'s Duration";
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actions_parsed.clear();
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return actions_parsed;
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} else {
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duration = actions[i]["Duration"].asUInt64();
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}
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LOG(VERBOSE) << "Action[" << i << "]'s Duration: " << duration;
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if (actions_parsed.find(hint_type) == actions_parsed.end()) {
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actions_parsed[hint_type] = std::vector<NodeAction>{
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{node_index, value_index, std::chrono::milliseconds(duration)}};
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} else {
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for (const auto& action : actions_parsed[hint_type]) {
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if (action.node_index == node_index) {
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LOG(ERROR)
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<< "Action[" << i
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<< "]'s NodeIndex is duplicated with another Action";
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actions_parsed.clear();
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return actions_parsed;
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}
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}
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actions_parsed[hint_type].emplace_back(
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node_index, value_index, std::chrono::milliseconds(duration));
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}
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++total_parsed;
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}
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LOG(INFO) << total_parsed << " Actions parsed successfully";
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for (const auto& action : actions_parsed) {
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LOG(INFO) << "PowerHint " << action.first << " has "
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<< action.second.size() << " actions parsed";
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}
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return actions_parsed;
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}
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} // namespace perfmgr
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} // namespace android
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