| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <pthread.h> |
| |
| #include <benchmark/benchmark.h> |
| |
| // Stop GCC optimizing out our pure function. |
| /* Must not be static! */ pthread_t (*pthread_self_fp)() = pthread_self; |
| |
| static void BM_pthread_self(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| pthread_self_fp(); |
| } |
| } |
| BENCHMARK(BM_pthread_self); |
| |
| static void BM_pthread_getspecific(benchmark::State& state) { |
| pthread_key_t key; |
| pthread_key_create(&key, NULL); |
| |
| while (state.KeepRunning()) { |
| pthread_getspecific(key); |
| } |
| |
| pthread_key_delete(key); |
| } |
| BENCHMARK(BM_pthread_getspecific); |
| |
| static void BM_pthread_setspecific(benchmark::State& state) { |
| pthread_key_t key; |
| pthread_key_create(&key, NULL); |
| |
| while (state.KeepRunning()) { |
| pthread_setspecific(key, NULL); |
| } |
| |
| pthread_key_delete(key); |
| } |
| BENCHMARK(BM_pthread_setspecific); |
| |
| static void DummyPthreadOnceInitFunction() { |
| } |
| |
| static void BM_pthread_once(benchmark::State& state) { |
| pthread_once_t once = PTHREAD_ONCE_INIT; |
| pthread_once(&once, DummyPthreadOnceInitFunction); |
| |
| while (state.KeepRunning()) { |
| pthread_once(&once, DummyPthreadOnceInitFunction); |
| } |
| } |
| BENCHMARK(BM_pthread_once); |
| |
| static void BM_pthread_mutex_lock(benchmark::State& state) { |
| pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
| |
| while (state.KeepRunning()) { |
| pthread_mutex_lock(&mutex); |
| pthread_mutex_unlock(&mutex); |
| } |
| } |
| BENCHMARK(BM_pthread_mutex_lock); |
| |
| static void BM_pthread_mutex_lock_ERRORCHECK(benchmark::State& state) { |
| pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; |
| |
| while (state.KeepRunning()) { |
| pthread_mutex_lock(&mutex); |
| pthread_mutex_unlock(&mutex); |
| } |
| } |
| BENCHMARK(BM_pthread_mutex_lock_ERRORCHECK); |
| |
| static void BM_pthread_mutex_lock_RECURSIVE(benchmark::State& state) { |
| pthread_mutex_t mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; |
| |
| while (state.KeepRunning()) { |
| pthread_mutex_lock(&mutex); |
| pthread_mutex_unlock(&mutex); |
| } |
| } |
| BENCHMARK(BM_pthread_mutex_lock_RECURSIVE); |
| |
| static void BM_pthread_rwlock_read(benchmark::State& state) { |
| pthread_rwlock_t lock; |
| pthread_rwlock_init(&lock, NULL); |
| |
| while (state.KeepRunning()) { |
| pthread_rwlock_rdlock(&lock); |
| pthread_rwlock_unlock(&lock); |
| } |
| |
| pthread_rwlock_destroy(&lock); |
| } |
| BENCHMARK(BM_pthread_rwlock_read); |
| |
| static void BM_pthread_rwlock_write(benchmark::State& state) { |
| pthread_rwlock_t lock; |
| pthread_rwlock_init(&lock, NULL); |
| |
| while (state.KeepRunning()) { |
| pthread_rwlock_wrlock(&lock); |
| pthread_rwlock_unlock(&lock); |
| } |
| |
| pthread_rwlock_destroy(&lock); |
| } |
| BENCHMARK(BM_pthread_rwlock_write); |
| |
| static void* IdleThread(void*) { |
| return NULL; |
| } |
| |
| static void BM_pthread_create(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| pthread_t thread; |
| pthread_create(&thread, NULL, IdleThread, NULL); |
| state.PauseTiming(); |
| pthread_join(thread, NULL); |
| state.ResumeTiming(); |
| } |
| } |
| BENCHMARK(BM_pthread_create); |
| |
| static void* RunThread(void* arg) { |
| benchmark::State& state = *reinterpret_cast<benchmark::State*>(arg); |
| state.PauseTiming(); |
| return NULL; |
| } |
| |
| static void BM_pthread_create_and_run(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| pthread_t thread; |
| pthread_create(&thread, NULL, RunThread, &state); |
| pthread_join(thread, NULL); |
| state.ResumeTiming(); |
| } |
| } |
| BENCHMARK(BM_pthread_create_and_run); |
| |
| static void* ExitThread(void* arg) { |
| benchmark::State& state = *reinterpret_cast<benchmark::State*>(arg); |
| state.ResumeTiming(); |
| pthread_exit(NULL); |
| } |
| |
| static void BM_pthread_exit_and_join(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| state.PauseTiming(); |
| pthread_t thread; |
| pthread_create(&thread, NULL, ExitThread, &state); |
| pthread_join(thread, NULL); |
| } |
| } |
| BENCHMARK(BM_pthread_exit_and_join); |
| |
| static void BM_pthread_key_create(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| pthread_key_t key; |
| pthread_key_create(&key, NULL); |
| |
| state.PauseTiming(); |
| pthread_key_delete(key); |
| state.ResumeTiming(); |
| } |
| } |
| BENCHMARK(BM_pthread_key_create); |
| |
| static void BM_pthread_key_delete(benchmark::State& state) { |
| while (state.KeepRunning()) { |
| state.PauseTiming(); |
| pthread_key_t key; |
| pthread_key_create(&key, NULL); |
| state.ResumeTiming(); |
| |
| pthread_key_delete(key); |
| } |
| } |
| BENCHMARK(BM_pthread_key_delete); |