70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
/*
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* Copyright (C) 2018 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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#include "PerformanceCounters.h"
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#include <utils/Allocator.h>
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#include <utils/Mutex.h>
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#include <benchmark/benchmark.h>
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using namespace utils;
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static void BM_std_mutex(benchmark::State& state) {
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static std::mutex l;
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PerformanceCounters pc(state);
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for (auto _ : state) {
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l.lock();
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l.unlock();
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}
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}
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static void BM_utils_mutex(benchmark::State& state) {
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static Mutex l;
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PerformanceCounters pc(state);
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for (auto _ : state) {
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l.lock();
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l.unlock();
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}
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}
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static void BM_spinlock(benchmark::State& state) {
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static LockingPolicy::SpinLock l;
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PerformanceCounters pc(state);
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for (auto _ : state) {
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l.lock();
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l.unlock();
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}
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}
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BENCHMARK(BM_std_mutex)
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->Threads(1)
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->Threads(2)
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->Threads(8)
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->ThreadPerCpu();
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BENCHMARK(BM_utils_mutex)
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->Threads(1)
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->Threads(2)
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->Threads(8)
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->ThreadPerCpu();
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BENCHMARK(BM_spinlock)
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->Threads(1)
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->Threads(2)
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->Threads(8)
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->ThreadPerCpu();
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