performance_logger.hpp

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// Copyright Institute for Automotive Engineering (ika), RWTH Aachen University
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include <cstdint>
#include <filesystem>
#include <fstream>
#include <string>
 
#include <acados_c/ocp_nlp_interface.h>
 
namespace trajectory_optimization {
 
struct PerformanceMetrics {
  uint64_t cycle = 0;
  int64_t ego_stamp_ns = 0;
  int64_t reference_stamp_ns = 0;
  int64_t route_stamp_ns = 0;
  int status = 0;
  int sqp_iter = 0;
  int qp_iter = 0;
  int qp_status = 0;
  int reference_points = 0;
  int objects = 0;
  bool published = false;
 
  double cycle_ms = 0.0;
  double preprocessing_ms = 0.0;
  double solve_wall_ms = 0.0;
  double postprocessing_ms = 0.0;
  double acados_total_ms = 0.0;
  double acados_lin_ms = 0.0;
  double acados_sim_ms = 0.0;
  double acados_qp_ms = 0.0;
  double acados_qp_solver_ms = 0.0;
  double acados_qp_xcond_ms = 0.0;
  double acados_reg_ms = 0.0;
  double acados_glob_ms = 0.0;
  double acados_preparation_ms = 0.0;
  double acados_feedback_ms = 0.0;
 
  double cost_value = 0.0;
  double nlp_res = 0.0;
  double kkt_norm_inf = 0.0;
  double res_stat = 0.0;
  double res_eq = 0.0;
  double res_ineq = 0.0;
  double res_comp = 0.0;
};
 
class PerformanceLogger {
 public:
  explicit PerformanceLogger(const std::string& node_name);
 
  ~PerformanceLogger();
 
  PerformanceLogger(const PerformanceLogger&) = delete;
 
  PerformanceLogger& operator=(const PerformanceLogger&) = delete;
 
  PerformanceLogger(PerformanceLogger&&) = delete;
 
  PerformanceLogger& operator=(PerformanceLogger&&) = delete;
 
  void write(const PerformanceMetrics& metrics);
 
  static void collectSolverStatistics(PerformanceMetrics& metrics,
                                      ocp_nlp_solver* solver,
                                      ocp_nlp_config* config,
                                      ocp_nlp_dims* dims,
                                      ocp_nlp_in* input,
                                      ocp_nlp_out* output);
 
  const std::filesystem::path& path() const { return path_; }
 
 private:
  static constexpr uint64_t FLUSH_INTERVAL = 100;
 
  std::filesystem::path path_;
  std::ofstream stream_;
  uint64_t records_since_flush_ = 0;
};
 
}  // namespace trajectory_optimization