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/*
* 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;
BENCHMARK_NO_ARG(BM_pthread_self);
void BM_pthread_self::Run(int iters) {
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_self_fp();
}
StopBenchmarkTiming();
}
BENCHMARK_NO_ARG(BM_pthread_getspecific);
void BM_pthread_getspecific::Run(int iters) {
StopBenchmarkTiming();
pthread_key_t key;
pthread_key_create(&key, NULL);
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_getspecific(key);
}
StopBenchmarkTiming();
pthread_key_delete(key);
}
BENCHMARK_NO_ARG(BM_pthread_setspecific);
void BM_pthread_setspecific::Run(int iters) {
StopBenchmarkTiming();
pthread_key_t key;
pthread_key_create(&key, NULL);
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_setspecific(key, NULL);
}
StopBenchmarkTiming();
pthread_key_delete(key);
}
static void DummyPthreadOnceInitFunction() {
}
BENCHMARK_NO_ARG(BM_pthread_once);
void BM_pthread_once::Run(int iters) {
StopBenchmarkTiming();
pthread_once_t once = PTHREAD_ONCE_INIT;
pthread_once(&once, DummyPthreadOnceInitFunction);
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_once(&once, DummyPthreadOnceInitFunction);
}
StopBenchmarkTiming();
}
BENCHMARK_NO_ARG(BM_pthread_mutex_lock);
void BM_pthread_mutex_lock::Run(int iters) {
StopBenchmarkTiming();
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_mutex_lock(&mutex);
pthread_mutex_unlock(&mutex);
}
StopBenchmarkTiming();
}
BENCHMARK_NO_ARG(BM_pthread_mutex_lock_ERRORCHECK);
void BM_pthread_mutex_lock_ERRORCHECK::Run(int iters) {
StopBenchmarkTiming();
pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP;
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_mutex_lock(&mutex);
pthread_mutex_unlock(&mutex);
}
StopBenchmarkTiming();
}
BENCHMARK_NO_ARG(BM_pthread_mutex_lock_RECURSIVE);
void BM_pthread_mutex_lock_RECURSIVE::Run(int iters) {
StopBenchmarkTiming();
pthread_mutex_t mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_mutex_lock(&mutex);
pthread_mutex_unlock(&mutex);
}
StopBenchmarkTiming();
}
BENCHMARK_NO_ARG(BM_pthread_rwlock_read);
void BM_pthread_rwlock_read::Run(int iters) {
StopBenchmarkTiming();
pthread_rwlock_t lock;
pthread_rwlock_init(&lock, NULL);
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_rwlock_rdlock(&lock);
pthread_rwlock_unlock(&lock);
}
StopBenchmarkTiming();
pthread_rwlock_destroy(&lock);
}
BENCHMARK_NO_ARG(BM_pthread_rwlock_write);
void BM_pthread_rwlock_write::Run(int iters) {
StopBenchmarkTiming();
pthread_rwlock_t lock;
pthread_rwlock_init(&lock, NULL);
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_rwlock_wrlock(&lock);
pthread_rwlock_unlock(&lock);
}
StopBenchmarkTiming();
pthread_rwlock_destroy(&lock);
}
static void* IdleThread(void*) {
return NULL;
}
BENCHMARK_NO_ARG(BM_pthread_create);
void BM_pthread_create::Run(int iters) {
StopBenchmarkTiming();
pthread_t thread;
for (int i = 0; i < iters; ++i) {
StartBenchmarkTiming();
pthread_create(&thread, NULL, IdleThread, NULL);
StopBenchmarkTiming();
pthread_join(thread, NULL);
}
}
static void* RunThread(void* arg) {
::testing::Benchmark* benchmark = reinterpret_cast<::testing::Benchmark*>(arg);
benchmark->StopBenchmarkTiming();
return NULL;
}
BENCHMARK_NO_ARG(BM_pthread_create_and_run);
void BM_pthread_create_and_run::Run(int iters) {
StopBenchmarkTiming();
pthread_t thread;
for (int i = 0; i < iters; ++i) {
StartBenchmarkTiming();
pthread_create(&thread, NULL, RunThread, this);
pthread_join(thread, NULL);
}
}
static void* ExitThread(void* arg) {
::testing::Benchmark* benchmark = reinterpret_cast<::testing::Benchmark*>(arg);
benchmark->StartBenchmarkTiming();
pthread_exit(NULL);
}
BENCHMARK_NO_ARG(BM_pthread_exit_and_join);
void BM_pthread_exit_and_join::Run(int iters) {
StopBenchmarkTiming();
pthread_t thread;
for (int i = 0; i < iters; ++i) {
pthread_create(&thread, NULL, ExitThread, this);
pthread_join(thread, NULL);
StopBenchmarkTiming();
}
}
BENCHMARK_NO_ARG(BM_pthread_key_create);
void BM_pthread_key_create::Run(int iters) {
StopBenchmarkTiming();
pthread_key_t key;
for (int i = 0; i < iters; ++i) {
StartBenchmarkTiming();
pthread_key_create(&key, NULL);
StopBenchmarkTiming();
pthread_key_delete(key);
}
}
BENCHMARK_NO_ARG(BM_pthread_key_delete);
void BM_pthread_key_delete::Run(int iters) {
StopBenchmarkTiming();
pthread_key_t key;
for (int i = 0; i < iters; ++i) {
pthread_key_create(&key, NULL);
StartBenchmarkTiming();
pthread_key_delete(key);
StopBenchmarkTiming();
}
}
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