1*4d7e907cSAndroid Build Coastguard Worker #include <chrono> 2*4d7e907cSAndroid Build Coastguard Worker using namespace std::chrono; 3*4d7e907cSAndroid Build Coastguard Worker class Timer { 4*4d7e907cSAndroid Build Coastguard Worker public: Timer()5*4d7e907cSAndroid Build Coastguard Worker Timer() { start_time = steady_clock::now(); } 6*4d7e907cSAndroid Build Coastguard Worker ~Timer()7*4d7e907cSAndroid Build Coastguard Worker ~Timer() { stop_time = steady_clock::now(); } 8*4d7e907cSAndroid Build Coastguard Worker get_elapsed_time_ms()9*4d7e907cSAndroid Build Coastguard Worker double get_elapsed_time_ms() { 10*4d7e907cSAndroid Build Coastguard Worker auto current_time = std::chrono::steady_clock::now(); 11*4d7e907cSAndroid Build Coastguard Worker return duration_cast<milliseconds>(current_time - start_time).count(); 12*4d7e907cSAndroid Build Coastguard Worker } 13*4d7e907cSAndroid Build Coastguard Worker 14*4d7e907cSAndroid Build Coastguard Worker private: 15*4d7e907cSAndroid Build Coastguard Worker time_point<steady_clock> start_time; 16*4d7e907cSAndroid Build Coastguard Worker time_point<steady_clock> stop_time; 17*4d7e907cSAndroid Build Coastguard Worker };