stopwatch.hh

#ifndef LOCARNA_STOPWATCH_HH
#define LOCARNA_STOPWATCH_HH
 
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
 
#include "aux.hh"
#include <iosfwd>
#include <unordered_map>
#include <string>
 
namespace LocARNA {
    class StopWatch {
    private:
        struct timer_t {
            bool running;      
            double last_start; 
            double total;      
            size_t cycles;     
 
            timer_t()
                : running(false), last_start(0.0), total(0.0), cycles(0) {}
        };
 
        typedef std::unordered_map<std::string, timer_t> map_t;
 
        map_t timers;
 
        bool print_on_exit;
 
    public:
        explicit StopWatch(bool print_on_exit = false);
 
        ~StopWatch();
 
        void
        set_print_on_exit(bool print_on_exit);
 
        bool
        start(const std::string &name);
 
        bool
        stop(const std::string &name);
 
        bool
        is_running(const std::string &name) const;
 
        double
        current_total(const std::string &name) const;
 
        size_t
        current_cycles(const std::string &name) const;
 
        std::ostream &
        print_info(std::ostream &out, const std::string &name) const;
 
        std::ostream &
        print_info(std::ostream &out) const;
 
    private:
        double
        current_time() const;
    };
}
#endif