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//
// Copyright (C) 2020 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 <compare>
#include <future>
#include <mutex>
#include <optional>
#include <thread>
#include "hwtrace_provider.h"
using OptError = std::optional<std::string>;
namespace android {
namespace profcollectd {
class ProfcollectdScheduler {
public:
struct Config {
std::string buildFingerprint;
std::chrono::seconds collectionInterval;
std::chrono::duration<float> samplingPeriod;
std::filesystem::path traceOutputDir;
std::filesystem::path profileOutputDir;
std::string binaryFilter;
auto operator<=>(const Config&) const = default;
friend std::ostream& operator<<(std::ostream& os, const Config& config);
friend std::istream& operator>>(std::istream& is, Config& config);
};
explicit ProfcollectdScheduler();
// Methods below returns optional error message on failure, otherwise returns std::nullopt.
OptError ReadConfig();
OptError ScheduleCollection();
OptError TerminateCollection();
OptError TraceOnce(const std::string& tag);
OptError ProcessProfile();
OptError CreateProfileReport();
OptError GetSupportedProvider(std::string& provider);
private:
Config config;
std::promise<void> terminate;
std::unique_ptr<HwtraceProvider> hwtracer;
std::unique_ptr<std::thread> workerThread;
std::mutex mu;
};
} // namespace profcollectd
} // namespace android
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