1 /* 2 * Copyright (C) 2013 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 ANDROID_HWUI_TIMING_H 18 #define ANDROID_HWUI_TIMING_H 19 20 #include <sys/time.h> 21 22 #define TIME_METHOD() MethodTimer __method_timer(__func__) 23 class MethodTimer { 24 public: 25 MethodTimer(const char* name) 26 : mMethodName(name) { 27 gettimeofday(&mStart, NULL); 28 } 29 30 ~MethodTimer() { 31 struct timeval stop; 32 gettimeofday(&stop, NULL); 33 long long elapsed = (stop.tv_sec * 1000000) - (mStart.tv_sec * 1000000) 34 + (stop.tv_usec - mStart.tv_usec); 35 ALOGD("%s took %.2fms", mMethodName, elapsed / 1000.0); 36 } 37 private: 38 const char* mMethodName; 39 struct timeval mStart; 40 }; 41 42 #endif 43
