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