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 */
17 #include <stdint.h>
19 #include <vector>
21 namespace testing {
23 class Benchmark {
24 public:
25 Benchmark(const char* name, void (*fn)(int)) {
26 Register(name, fn, NULL);
27 }
29 Benchmark(const char* name, void (*fn_range)(int, int)) {
30 Register(name, NULL, fn_range);
31 }
33 Benchmark* Arg(int x);
35 const char* Name();
37 bool ShouldRun(int argc, char* argv[]);
38 void Run();
40 private:
41 const char* name_;
43 void (*fn_)(int);
44 void (*fn_range_)(int, int);
46 std::vector<int> args_;
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 };
53 } // namespace testing
55 void SetBenchmarkBytesProcessed(int64_t);
56 void StopBenchmarkTiming();
57 void StartBenchmarkTiming();
59 #define BENCHMARK(f) \
60 static ::testing::Benchmark* _benchmark_##f __attribute__((unused)) = \
61 (new ::testing::Benchmark(#f, f))