1 /* 2 * Copyright (C) 2012 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 #include <stdint.h> 18 19 #include <vector> 20 21 namespace testing { 22 23 class Benchmark { 24 public: 25 Benchmark(const char* name, void (*fn)(int)) { 26 Register(name, fn, NULL); 27 } 28 29 Benchmark(const char* name, void (*fn_range)(int, int)) { 30 Register(name, NULL, fn_range); 31 } 32 33 Benchmark* Arg(int x); 34 35 const char* Name(); 36 37 bool ShouldRun(int argc, char* argv[]); 38 void Run(); 39 40 private: 41 const char* name_; 42 43 void (*fn_)(int); 44 void (*fn_range_)(int, int); 45 46 std::vector<int> args_; 47 48 void Register(const char* name, void (*fn)(int), void (*fn_range)(int, int)); 49 void RunRepeatedlyWithArg(int iterations, int arg); 50 void RunWithArg(int arg); 51 }; 52 53 } // namespace testing 54 55 void SetBenchmarkBytesProcessed(int64_t); 56 void StopBenchmarkTiming(); 57 void StartBenchmarkTiming(); 58 59 #define BENCHMARK(f) \ 60 static ::testing::Benchmark* _benchmark_##f __attribute__((unused)) = \ 61 (new ::testing::Benchmark(#f, f)) 62
