Simple C++ Profiler Class

timer.h

// timer.h
#include <iostream>
#include <sstream>

#ifndef timer_h
#define timer_h

class timer {
    
    private:
        std::chrono::steady_clock::time_point begin;
        bool verbose;
        std::stringstream logfile;
        
    public: 
        timer();
        timer(bool b);
        void start();
        void toc();
        void toc(std::string s);
        void stop();
        void stop(std::string s);
        void dump();
};

timer::timer() {
    verbose = true;
    this->start();
}

timer::timer(bool b) {
    verbose = b;
    this->start();
}

void timer::start() {
    begin = std::chrono::steady_clock::now();
}

void timer::stop(std::string s) {
    
    std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
    
    if(verbose) {
        Rcout << s.c_str() << " Time elapsed = " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count()/1e6 << std::endl;
    }
    
    logfile << s << "," << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() / 1e6 << std::endl;
}

void timer::stop() {
    this->stop("");
}

void timer::toc() {
    this->toc("");
}

void timer::toc(std::string s) {
    this->stop(s);
    this->start();
}

void timer::dump() {
    ofstream myfile;  
    myfile.open("/tmp/timer.csv");  
    myfile << logfile.rdbuf();  
    myfile.close();  
}

#endif