61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _BIONIC_BENCHMARKS_UTIL_H_
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#define _BIONIC_BENCHMARKS_UTIL_H_
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#include <map>
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#include <mutex>
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#include <string>
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#include <vector>
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typedef void (*benchmark_func_t) (void);
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extern std::mutex g_map_lock;
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extern std::map<std::string, benchmark_func_t> g_str_to_func;
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static int __attribute__((unused)) EmplaceBenchmark (std::string fn_name, benchmark_func_t fn_ptr) {
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g_map_lock.lock();
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g_str_to_func.emplace(std::string(fn_name), fn_ptr);
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g_map_lock.unlock();
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return 0;
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}
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#define BIONIC_BENCHMARK(n) \
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int _bionic_benchmark_##n __attribute__((unused)) = EmplaceBenchmark(std::string(#n), reinterpret_cast<benchmark_func_t>(n))
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constexpr auto KB = 1024;
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typedef struct {
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long cpu_to_lock;
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long num_iterations;
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std::string xmlpath;
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std::vector<std::string> extra_benchmarks;
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} bench_opts_t;
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// This function returns a pointer less than 2 * alignment + or_mask bytes into the array.
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char* GetAlignedMemory(char* orig_ptr, size_t alignment, size_t or_mask);
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char* GetAlignedPtr(std::vector<char>* buf, size_t alignment, size_t nbytes);
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wchar_t* GetAlignedPtr(std::vector<wchar_t>* buf, size_t alignment, size_t nbytes);
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char* GetAlignedPtrFilled(std::vector<char>* buf, size_t alignment, size_t nbytes, char fill_byte);
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bool LockToCPU(long cpu_to_lock);
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#endif // _BIONIC_BENCHMARKS_UTIL_H
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