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Ignore whitespace Rev 2020 → Rev 2021

/trunk/kernel/test/mm/slab1.c
0,0 → 1,171
/*
* Copyright (C) 2006 Ondrej Palkovsky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#include <test.h>
#include <mm/slab.h>
#include <print.h>
#include <proc/thread.h>
#include <arch.h>
#include <panic.h>
#include <memstr.h>
 
#ifdef CONFIG_BENCH
#include <arch/cycle.h>
#endif
 
#define VAL_COUNT 1024
 
void * data[VAL_COUNT];
 
static void testit(int size, int count)
{
slab_cache_t *cache;
int i;
printf("Creating cache, object size: %d.\n", size);
cache = slab_cache_create("test_cache", size, 0, NULL, NULL,
SLAB_CACHE_NOMAGAZINE);
printf("Allocating %d items...", count);
for (i=0; i < count; i++) {
data[i] = slab_alloc(cache, 0);
memsetb((uintptr_t)data[i], size, 0);
}
printf("done.\n");
printf("Freeing %d items...", count);
for (i=0; i < count; i++) {
slab_free(cache, data[i]);
}
printf("done.\n");
 
printf("Allocating %d items...", count);
for (i=0; i < count; i++) {
data[i] = slab_alloc(cache, 0);
memsetb((uintptr_t)data[i], size, 0);
}
printf("done.\n");
 
printf("Freeing %d items...", count/2);
for (i=count-1; i >= count/2; i--) {
slab_free(cache, data[i]);
}
printf("done.\n");
 
printf("Allocating %d items...", count/2);
for (i=count/2; i < count; i++) {
data[i] = slab_alloc(cache, 0);
memsetb((uintptr_t)data[i], size, 0);
}
printf("done.\n");
printf("Freeing %d items...", count);
for (i=0; i < count; i++) {
slab_free(cache, data[i]);
}
printf("done.\n");
slab_cache_destroy(cache);
 
printf("Test complete.\n");
}
 
static void testsimple(void)
{
testit(100, VAL_COUNT);
testit(200, VAL_COUNT);
testit(1024, VAL_COUNT);
testit(2048, 512);
testit(4000, 128);
testit(8192, 128);
testit(16384, 128);
testit(16385, 128);
}
 
 
#define THREADS 6
#define THR_MEM_COUNT 1024
#define THR_MEM_SIZE 128
 
void * thr_data[THREADS][THR_MEM_COUNT];
slab_cache_t *thr_cache;
semaphore_t thr_sem;
 
static void slabtest(void *data)
{
int offs = (int)(unative_t) data;
int i,j;
thread_detach(THREAD);
printf("Starting thread #%d...\n",THREAD->tid);
for (j=0; j<10; j++) {
for (i=0; i<THR_MEM_COUNT; i++)
thr_data[offs][i] = slab_alloc(thr_cache,0);
for (i=0; i<THR_MEM_COUNT/2; i++)
slab_free(thr_cache, thr_data[offs][i]);
for (i=0; i< THR_MEM_COUNT/2; i++)
thr_data[offs][i] = slab_alloc(thr_cache, 0);
for (i=0; i<THR_MEM_COUNT;i++)
slab_free(thr_cache, thr_data[offs][i]);
}
printf("Thread #%d finished\n", THREAD->tid);
semaphore_up(&thr_sem);
}
 
static void testthreads(void)
{
thread_t *t;
int i;
 
thr_cache = slab_cache_create("thread_cache", THR_MEM_SIZE, 0,
NULL, NULL,
SLAB_CACHE_NOMAGAZINE);
semaphore_initialize(&thr_sem,0);
for (i=0; i<THREADS; i++) {
if (!(t = thread_create(slabtest, (void *)(unative_t)i, TASK, 0, "slabtest")))
panic("could not create thread\n");
thread_ready(t);
}
 
for (i=0; i<THREADS; i++)
semaphore_down(&thr_sem);
slab_cache_destroy(thr_cache);
printf("Test complete.\n");
}
 
void test_slab1(void)
{
#ifdef CONFIG_BENCH
uint64_t t0 = get_cycle();
#endif
testsimple();
testthreads();
#ifdef CONFIG_BENCH
uint64_t dt = get_cycle() - t0;
printf("Time: %.*d cycles\n", sizeof(dt) * 2, dt);
#endif
}