083eb5e993
"Private Type"->"Private Types" "Public Data Type"->"Public Types" Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/****************************************************************************
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* apps/benchmarks/spinlock_bench/spinlock_bench.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <assert.h>
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#include <errno.h>
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#include <nuttx/spinlock.h>
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#include <time.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define TEST_NUM CONFIG_SPINLOCK_MULTITHREAD
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#define THREAD_NUM CONFIG_SPINLOCK_MULTITHREAD
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct thread_parmeter_s
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{
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FAR int *result;
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FAR spinlock_t *lock;
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static FAR void *thread_spinlock(FAR void *parameter)
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{
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FAR int *result = ((FAR struct thread_parmeter_s *)parameter)->result;
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FAR spinlock_t *lock = ((FAR struct thread_parmeter_s *)parameter)->lock;
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int i;
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for (i = 0; i < TEST_NUM; i++)
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{
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spin_lock(lock);
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(*result)++;
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spin_unlock(lock);
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}
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return NULL;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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void main(void)
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{
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spinlock_t lock = SP_UNLOCKED;
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int result = 0;
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pthread_t thread[THREAD_NUM];
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struct thread_parmeter_s para;
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clock_t start;
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clock_t end;
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int status;
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int i;
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para.result = &result;
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para.lock = &lock;
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start = perf_gettime();
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for (i = 0; i < THREAD_NUM; ++i)
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{
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status = pthread_create(&thread[i], NULL,
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thread_spinlock, ¶);
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if (status != 0)
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{
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printf("spinlock_test: ERROR pthread_create failed, status=%d\n",
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status);
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ASSERT(false);
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}
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}
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for (i = 0; i < THREAD_NUM; ++i)
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{
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pthread_join(thread[i], NULL);
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}
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end = perf_gettime();
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assert(result == THREAD_NUM * TEST_NUM);
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printf("total_time: %lu\n", end - start);
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}
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