1 /* 2 * Copyright 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __VTS_MEASUREMENT_H__ 18 #define __VTS_MEASUREMENT_H__ 19 20 #if USE_CTIME 21 #include <time.h> 22 #else 23 #include <sys/time.h> 24 #endif 25 26 #include <vector> 27 28 using namespace std; 29 30 namespace android { 31 namespace vts { 32 33 // Class to do measurements before and after calling a target function. 34 class VtsMeasurement { 35 public: VtsMeasurement()36 VtsMeasurement() {} 37 38 // Starts the measurement 39 void Start(); 40 41 // Stops the measurement and returns the measured values. 42 vector<float>* Stop(); 43 44 private: 45 // data structure to keep the start time. 46 #if USE_CTIME 47 struct timeval tv_; 48 #else 49 timespec ts_; 50 #endif 51 }; 52 53 } // namespace vts 54 } // namespace android 55 56 #endif 57