android_device_google_gs-co.../powerstats/include/CpupmStateResidencyDataProvider.h
Darren Hsu a3792b2a2f powerstats: Introduce CpupmStateResidencyDataProvider
Bug: 263276734
Bug: 264728626
Test: dumpsys android.hardware.power.stats.IPowerStats/default
Change-Id: I0887dde159d6f6ed1f5c470464eaf817ecc7b4eb
Signed-off-by: Darren Hsu <darrenhsu@google.com>
2023-01-09 09:16:21 +00:00

71 lines
2.1 KiB
C++

/*
* Copyright (C) 2023 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 <PowerStatsAidl.h>
namespace aidl {
namespace android {
namespace hardware {
namespace power {
namespace stats {
class CpupmStateResidencyDataProvider : public PowerStats::IStateResidencyDataProvider {
public:
class Config {
public:
// List of power entity name pairs (name to display, name to parse)
std::vector<std::pair<std::string, std::string>> entities;
// List of state pairs (state to display, state to parse).
std::vector<std::pair<std::string, std::string>> states;
};
/*
* path - path to cpupm sysfs node.
*/
CpupmStateResidencyDataProvider(const std::string &path, const Config &config);
~CpupmStateResidencyDataProvider() = default;
/*
* See IStateResidencyDataProvider::getStateResidencies
*/
bool getStateResidencies(
std::unordered_map<std::string, std::vector<StateResidency>> *residencies) override;
/*
* See IStateResidencyDataProvider::getInfo
*/
std::unordered_map<std::string, std::vector<State>> getInfo() override;
private:
int32_t matchEntity(char const *line);
int32_t matchState(char const *line);
bool parseState(char const *line, uint64_t *duration, uint64_t *count);
// A constant to represent the number of microseconds in one millisecond.
const uint64_t US_TO_MS = 1000;
const std::string mPath;
const Config mConfig;
};
} // namespace stats
} // namespace power
} // namespace hardware
} // namespace android
} // namespace aidl