m_perf.h

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// Copyright (C) 2022 Christian Brommer, Control of Networked Systems, University of Klagenfurt, Austria.
//
// All rights reserved.
//
// This software is licensed under the terms of the BSD-2-Clause-License with
// no commercial use allowed, the full terms of which are made available
// in the LICENSE file. No license in patents is granted.
//
// You can contact the author at <christian.brommer@ieee.org>
 
#ifndef M_PERF_H
#define M_PERF_H
 
#include <chrono>
#include <iostream>
#include <map>
#include <memory>
#include <vector>
 
namespace mars
{
class MPerfType
{
public:
  bool AddStart();
 
  bool AddStop();
 
  std::vector<double> get_start_times();
  std::vector<double> get_stop_times();
 
  double get_mean();
 
  double get_std();
 
  double get_max();
 
  double get_min();
 
  std::vector<double> get_diff_vec();
 
  int get_size();
 
private:
  using time_type = std::chrono::high_resolution_clock::time_point;
 
  std::string name_;
 
  std::vector<time_type> start_;
 
  std::vector<time_type> stop_;
 
  bool is_running_{ false };
 
  time_type get_time();
};
 
class MPerf
{
public:
  MPerf(const std::string& name);
  ~MPerf();
 
  bool StartEntity(const std::string& entity_name);
 
  bool StopEntity(const std::string& entity_name);
 
  std::string PrintStats();
 
  std::string get_stats_as_csv(const std::string& entity_name);
 
  std::string get_entity_names();
 
private:
  using m_perf_map = std::map<std::string, std::shared_ptr<MPerfType>>;
 
  m_perf_map data_;
 
  std::string name_;
 
  bool name_set_{ false };
 
  bool verbose_{ false };
};
}  // namespace mars
#endif  // M_PERF_H