#ifndef BOTAN_BENCHMARK_TIMER_H__ #define BOTAN_BENCHMARK_TIMER_H__ #include #include #include using Botan::u64bit; using Botan::u32bit; class Timer { public: static u64bit get_clock(); Timer(const std::string& name); void start(); void stop(); u64bit value() { stop(); return time_used; } double seconds() { return milliseconds() / 1000.0; } double milliseconds() { return value() / 1000000.0; } double ms_per_event() { return milliseconds() / events(); } double seconds_per_event() { return seconds() / events(); } u32bit events() const { return event_count; } std::string get_name() const { return name; } private: std::string name; u64bit time_used, timer_start; u32bit event_count; }; inline bool operator<(const Timer& x, const Timer& y) { return (x.get_name() < y.get_name()); } inline bool operator==(const Timer& x, const Timer& y) { return (x.get_name() == y.get_name()); } std::ostream& operator<<(std::ostream&, Timer&); #endif