StMemStat_Memory_Logger.h

StMemStat stm;
void printMEM(){
    stm.PrintMem();
}


#include <fstream>

#include "StMemStat.h"  // Ensure this is available and correctly included

#ifndef __CINT__
#include <chrono>
class MemoryLogger {
    public:
        MemoryLogger(const std::string& filename)
            : start_time_(std::chrono::steady_clock::now()), log_file_(filename, std::ios::app) {
            if (log_file_.tellp() == 0) {
                log_file_ << "# Time(s)\tProgSize(MB)\n";
            }
        }
    
        void log(const std::string& comment = "") {
            auto now = std::chrono::steady_clock::now();
            std::chrono::duration<double> elapsed = now - start_time_;
            double progSizeMB = StMemStat::ProgSize();  // assuming kB
    
            log_file_ << std::fixed << std::setprecision(6)
                      << elapsed.count() << "\t" << progSizeMB;
    
            if (!comment.empty()) {
                log_file_ << "\t# " << comment;
            }
    
            log_file_ << "\n";
        }
    
    private:
        std::chrono::steady_clock::time_point start_time_;
        std::ofstream log_file_;
    };

    MemoryLogger MemLogger("mem_log.txt");

    #endif // CINT