You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
128 lines
4.8 KiB
128 lines
4.8 KiB
/*
|
|
* Copyright (C) 2021 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <queue>
|
|
#include <shared_mutex>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <unordered_set>
|
|
|
|
#include "config_parser.h"
|
|
|
|
namespace android {
|
|
namespace hardware {
|
|
namespace thermal {
|
|
namespace V2_0 {
|
|
namespace implementation {
|
|
|
|
struct PowerSample {
|
|
uint64_t energy_counter;
|
|
uint64_t duration;
|
|
};
|
|
|
|
struct ReleaseStatus {
|
|
int release_step;
|
|
int max_release_step;
|
|
};
|
|
|
|
struct PowerStatus {
|
|
std::chrono::milliseconds time_remaining;
|
|
// A vector to record the queues of power sample history.
|
|
std::vector<std::queue<PowerSample>> power_history;
|
|
float last_updated_avg_power;
|
|
};
|
|
|
|
using CdevReleaseStatus = std::unordered_map<std::string, ReleaseStatus>;
|
|
using PowerStatusMap = std::unordered_map<std::string, PowerStatus>;
|
|
|
|
// A helper class for monitoring power rails.
|
|
class PowerFiles {
|
|
public:
|
|
PowerFiles() = default;
|
|
~PowerFiles() = default;
|
|
// Disallow copy and assign.
|
|
PowerFiles(const PowerFiles &) = delete;
|
|
void operator=(const PowerFiles &) = delete;
|
|
|
|
// Register a map for the throttling release decision of target power rail
|
|
// Return false if the power_rail is not supported.
|
|
bool registerPowerRailsToWatch(std::string_view sensor_name, std::string_view cdev_name,
|
|
const BindedCdevInfo &binded_cdev_info,
|
|
const CdevInfo &cdev_info, const PowerRailInfo &power_rail_info);
|
|
|
|
// Find the energy source path, return false if no energy source found.
|
|
bool findEnergySourceToWatch(void);
|
|
|
|
// Clear the data of energy_info_map_.
|
|
void clearEnergyInfoMap(void);
|
|
|
|
// Update energy value to energy_info_map_, return false if the value is failed to update.
|
|
bool updateEnergyValues(void);
|
|
|
|
bool getAveragePower(std::string_view power_rail, std::queue<PowerSample> *power_history,
|
|
bool power_sample_update, float *avg_power);
|
|
bool computeAveragePower(const PowerRailInfo &power_rail_info, PowerStatus *power_status,
|
|
bool power_sample_update, float *avg_power);
|
|
|
|
// Update the throttling release status according to the average power, return true if power
|
|
// rail is updated.
|
|
bool throttlingReleaseUpdate(std::string_view sensor_name, std::string_view cdev_name,
|
|
const ThrottlingSeverity severity,
|
|
const std::chrono::milliseconds time_elapsed_ms,
|
|
const BindedCdevInfo &binded_cdev_info,
|
|
const PowerRailInfo &power_rail_info, bool power_sample_update,
|
|
bool severity_changed);
|
|
|
|
// Get the throttling release status for the targer power rail which is binded in specific
|
|
// sensor.
|
|
int getReleaseStep(std::string_view sensor_name, std::string_view cdev_name);
|
|
|
|
// Clear the data of throttling_release_map_.
|
|
void setPowerDataToDefault(std::string_view sensor_name);
|
|
|
|
// Get throttling release status map
|
|
const std::unordered_map<std::string, CdevReleaseStatus> &GetThrottlingReleaseMap() const {
|
|
std::shared_lock<std::shared_mutex> _lock(throttling_release_map_mutex_);
|
|
return throttling_release_map_;
|
|
}
|
|
|
|
// Get Power status map
|
|
const std::unordered_map<std::string, PowerStatusMap> &GetPowerStatusMap() const {
|
|
std::shared_lock<std::shared_mutex> _lock(power_status_map_mutex_);
|
|
return power_status_map_;
|
|
}
|
|
|
|
private:
|
|
// The map to record the energy info for each power rail.
|
|
std::unordered_map<std::string, PowerSample> energy_info_map_;
|
|
// The map to record the throttling release status for each thermal sensor.
|
|
std::unordered_map<std::string, CdevReleaseStatus> throttling_release_map_;
|
|
mutable std::shared_mutex throttling_release_map_mutex_;
|
|
// The map to record the power data for each thermal sensor.
|
|
std::unordered_map<std::string, PowerStatusMap> power_status_map_;
|
|
mutable std::shared_mutex power_status_map_mutex_;
|
|
// The set to store the energy source paths
|
|
std::unordered_set<std::string> energy_path_set_;
|
|
};
|
|
|
|
} // namespace implementation
|
|
} // namespace V2_0
|
|
} // namespace thermal
|
|
} // namespace hardware
|
|
} // namespace android
|