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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 "benchmark.h"
#include <pthread.h>
// Stop GCC optimizing out our pure function.
/* Must not be static! */ pthread_t (*pthread_self_fp)() = pthread_self;
static void BM_pthread_self(int iters) {
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_self_fp();
}
StopBenchmarkTiming();
}
BENCHMARK(BM_pthread_self);
static void BM_pthread_getspecific(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(BM_pthread_getspecific);
static void DummyPthreadOnceInitFunction() {
}
static void BM_pthread_once(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(BM_pthread_once);
static void BM_pthread_mutex_lock(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(BM_pthread_mutex_lock);
static void BM_pthread_mutex_lock_ERRORCHECK(int iters) {
StopBenchmarkTiming();
pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER;
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_mutex_lock(&mutex);
pthread_mutex_unlock(&mutex);
}
StopBenchmarkTiming();
}
BENCHMARK(BM_pthread_mutex_lock_ERRORCHECK);
static void BM_pthread_mutex_lock_RECURSIVE(int iters) {
StopBenchmarkTiming();
pthread_mutex_t mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER;
StartBenchmarkTiming();
for (int i = 0; i < iters; ++i) {
pthread_mutex_lock(&mutex);
pthread_mutex_unlock(&mutex);
}
StopBenchmarkTiming();
}
BENCHMARK(BM_pthread_mutex_lock_RECURSIVE);
static void BM_pthread_rw_lock_read(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(BM_pthread_rw_lock_read);
static void BM_pthread_rw_lock_write(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);
}
BENCHMARK(BM_pthread_rw_lock_write);
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