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 #include <stddef.h> 17 #include <stdint.h> 18 #include <vector> 19 20 namespace testing { 21 class Benchmark { 22 public: 23 Benchmark(const char* name, void (*fn)(int)) { 24 Register(name, fn, NULL); 25 } 26 Benchmark(const char* name, void (*fn_range)(int, int)) { 27 Register(name, NULL, fn_range); 28 } 29 Benchmark* Arg(int x); 30 Benchmark* Range(int lo, int hi); 31 const char* Name(); 32 bool ShouldRun(int argc, char* argv[]); 33 void Run(); 34 private: 35 const char* name_; 36 void (*fn_)(int); 37 void (*fn_range_)(int, int); 38 std::vector<int> args_; 39 void Register(const char* name, void (*fn)(int), void (*fn_range)(int, int)); 40 void RunRepeatedlyWithArg(int iterations, int arg); 41 void RunWithArg(int arg); 42 }; 43 } // namespace testing 44 void SetBenchmarkFlopsProcessed(int64_t); 45 void StopBenchmarkTiming(); 46 void StartBenchmarkTiming(); 47 #define BENCHMARK(f) \ 48 static ::testing::Benchmark* _benchmark_##f __attribute__((unused)) = \ 49 (new ::testing::Benchmark(#f, f)) 50
