180 lines
7.5 KiB
C++
180 lines
7.5 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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#pragma once
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#include <array>
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#include <chrono>
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#include <mutex>
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#include <shared_mutex>
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#include <string>
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#include <string_view>
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#include <thread>
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#include <unordered_map>
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#include <vector>
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#include "utils/power_files.h"
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#include "utils/powerhal_helper.h"
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#include "utils/thermal_files.h"
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#include "utils/thermal_info.h"
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#include "utils/thermal_throttling.h"
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#include "utils/thermal_watcher.h"
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namespace android {
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namespace hardware {
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namespace thermal {
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namespace V2_0 {
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namespace implementation {
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using ::android::hardware::hidl_vec;
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using ::android::hardware::thermal::V1_0::CpuUsage;
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using ::android::hardware::thermal::V2_0::CoolingType;
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using ::android::hardware::thermal::V2_0::IThermal;
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using CoolingDevice_1_0 = ::android::hardware::thermal::V1_0::CoolingDevice;
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using CoolingDevice_2_0 = ::android::hardware::thermal::V2_0::CoolingDevice;
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using Temperature_1_0 = ::android::hardware::thermal::V1_0::Temperature;
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using Temperature_2_0 = ::android::hardware::thermal::V2_0::Temperature;
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using TemperatureType_1_0 = ::android::hardware::thermal::V1_0::TemperatureType;
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using TemperatureType_2_0 = ::android::hardware::thermal::V2_0::TemperatureType;
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using ::android::hardware::thermal::V2_0::TemperatureThreshold;
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using ::android::hardware::thermal::V2_0::ThrottlingSeverity;
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using NotificationCallback = std::function<void(const Temperature_2_0 &t)>;
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using NotificationTime = std::chrono::time_point<std::chrono::steady_clock>;
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// Get thermal_zone type
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bool getThermalZoneTypeById(int tz_id, std::string *);
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struct ThermalSample {
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float temp;
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boot_clock::time_point timestamp;
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};
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struct SensorStatus {
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ThrottlingSeverity severity;
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ThrottlingSeverity prev_hot_severity;
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ThrottlingSeverity prev_cold_severity;
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ThrottlingSeverity prev_hint_severity;
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boot_clock::time_point last_update_time;
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ThermalSample thermal_cached;
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};
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class ThermalHelper {
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public:
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explicit ThermalHelper(const NotificationCallback &cb);
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~ThermalHelper() = default;
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bool fillTemperatures(hidl_vec<Temperature_1_0> *temperatures);
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bool fillCurrentTemperatures(bool filterType, bool filterCallback, TemperatureType_2_0 type,
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hidl_vec<Temperature_2_0> *temperatures);
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bool fillTemperatureThresholds(bool filterType, TemperatureType_2_0 type,
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hidl_vec<TemperatureThreshold> *thresholds) const;
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bool fillCurrentCoolingDevices(bool filterType, CoolingType type,
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hidl_vec<CoolingDevice_2_0> *coolingdevices) const;
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bool fillCpuUsages(hidl_vec<CpuUsage> *cpu_usages) const;
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// Dissallow copy and assign.
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ThermalHelper(const ThermalHelper &) = delete;
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void operator=(const ThermalHelper &) = delete;
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bool isInitializedOk() const { return is_initialized_; }
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// Read the temperature of a single sensor.
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bool readTemperature(std::string_view sensor_name, Temperature_1_0 *out);
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bool readTemperature(
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std::string_view sensor_name, Temperature_2_0 *out,
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std::pair<ThrottlingSeverity, ThrottlingSeverity> *throtting_status = nullptr,
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const bool force_sysfs = false);
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bool readTemperatureThreshold(std::string_view sensor_name, TemperatureThreshold *out) const;
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// Read the value of a single cooling device.
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bool readCoolingDevice(std::string_view cooling_device, CoolingDevice_2_0 *out) const;
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// Get SensorInfo Map
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const std::unordered_map<std::string, SensorInfo> &GetSensorInfoMap() const {
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return sensor_info_map_;
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}
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// Get CdevInfo Map
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const std::unordered_map<std::string, CdevInfo> &GetCdevInfoMap() const {
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return cooling_device_info_map_;
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}
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// Get SensorStatus Map
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const std::unordered_map<std::string, SensorStatus> &GetSensorStatusMap() const {
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std::shared_lock<std::shared_mutex> _lock(sensor_status_map_mutex_);
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return sensor_status_map_;
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}
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// Get ThermalThrottling Map
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const std::unordered_map<std::string, ThermalThrottlingStatus> &GetThermalThrottlingStatusMap()
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const {
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return thermal_throttling_.GetThermalThrottlingStatusMap();
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}
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// Get PowerRailInfo Map
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const std::unordered_map<std::string, PowerRailInfo> &GetPowerRailInfoMap() const {
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return power_files_.GetPowerRailInfoMap();
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}
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// Get PowerStatus Map
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const std::unordered_map<std::string, PowerStatus> &GetPowerStatusMap() const {
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return power_files_.GetPowerStatusMap();
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}
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void sendPowerExtHint(const Temperature_2_0 &t);
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bool isAidlPowerHalExist() { return power_hal_service_.isAidlPowerHalExist(); }
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bool isPowerHalConnected() { return power_hal_service_.isPowerHalConnected(); }
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bool isPowerHalExtConnected() { return power_hal_service_.isPowerHalExtConnected(); }
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private:
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bool initializeSensorMap(const std::unordered_map<std::string, std::string> &path_map);
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bool initializeCoolingDevices(const std::unordered_map<std::string, std::string> &path_map);
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void setMinTimeout(SensorInfo *sensor_info);
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void initializeTrip(const std::unordered_map<std::string, std::string> &path_map,
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std::set<std::string> *monitored_sensors, bool thermal_genl_enabled);
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// For thermal_watcher_'s polling thread, return the sleep interval
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std::chrono::milliseconds thermalWatcherCallbackFunc(
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const std::set<std::string> &uevent_sensors);
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// Return hot and cold severity status as std::pair
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std::pair<ThrottlingSeverity, ThrottlingSeverity> getSeverityFromThresholds(
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const ThrottlingArray &hot_thresholds, const ThrottlingArray &cold_thresholds,
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const ThrottlingArray &hot_hysteresis, const ThrottlingArray &cold_hysteresis,
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ThrottlingSeverity prev_hot_severity, ThrottlingSeverity prev_cold_severity,
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float value) const;
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// Read temperature data according to thermal sensor's info
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bool readThermalSensor(std::string_view sensor_name, float *temp, const bool force_sysfs,
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std::map<std::string, float> *sensor_log_map);
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bool connectToPowerHal();
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void updateSupportedPowerHints();
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void updateCoolingDevices(const std::vector<std::string> &cooling_devices_to_update);
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sp<ThermalWatcher> thermal_watcher_;
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PowerFiles power_files_;
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ThermalFiles thermal_sensors_;
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ThermalFiles cooling_devices_;
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ThermalThrottling thermal_throttling_;
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bool is_initialized_;
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const NotificationCallback cb_;
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std::unordered_map<std::string, CdevInfo> cooling_device_info_map_;
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std::unordered_map<std::string, SensorInfo> sensor_info_map_;
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std::unordered_map<std::string, std::map<ThrottlingSeverity, ThrottlingSeverity>>
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supported_powerhint_map_;
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PowerHalService power_hal_service_;
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mutable std::shared_mutex sensor_status_map_mutex_;
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std::unordered_map<std::string, SensorStatus> sensor_status_map_;
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};
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} // namespace implementation
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} // namespace V2_0
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} // namespace thermal
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} // namespace hardware
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} // namespace android
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