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/*

 * 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 <arch/asm.h>

#include <memstr.h>

#define VAL_COUNT   1024

static void * data[VAL_COUNT];

static void testit(int size, int count, bool quiet)

{

    slab_cache_t *cache;

    int i;

    if (!quiet)

        printf("Creating cache, object size: %d.\n", size);

    cache = slab_cache_create("test_cache", size, 0, NULL, NULL,

                SLAB_CACHE_NOMAGAZINE);

    if (!quiet)

        printf("Allocating %d items...", count);

    for (i = 0; i < count; i++) {

        data[i] = slab_alloc(cache, 0);

        memsetb(data[i], size, 0);

    }

    if (!quiet) {

        printf("done.\n");

        printf("Freeing %d items...", count);

    }

    for (i = 0; i < count; i++)

        slab_free(cache, data[i]);

    if (!quiet) {

        printf("done.\n");

        printf("Allocating %d items...", count);

    }

    for (i = 0; i < count; i++) {

        data[i] = slab_alloc(cache, 0);

        memsetb(data[i], size, 0);

    }

    if (!quiet) {

        printf("done.\n");

        printf("Freeing %d items...", count / 2);

    }

    for (i = count - 1; i >= count / 2; i--)

        slab_free(cache, data[i]);

    if (!quiet) {

        printf("done.\n"); 

        printf("Allocating %d items...", count / 2);

    }

    for (i = count / 2; i < count; i++) {

        data[i] = slab_alloc(cache, 0);

        memsetb(data[i], size, 0);

    }

    if (!quiet) {

        printf("done.\n");

        printf("Freeing %d items...", count);

    }

    for (i = 0; i < count; i++)

        slab_free(cache, data[i]);

    if (!quiet)

        printf("done.\n"); 

    slab_cache_destroy(cache);

    if (!quiet)

        printf("Test complete.\n");

}

static void testsimple(bool quiet)

{

    testit(100, VAL_COUNT, quiet);

    testit(200, VAL_COUNT, quiet);

    testit(1024, VAL_COUNT, quiet);

    testit(2048, 512, quiet);

    testit(4000, 128, quiet);

    testit(8192, 128, quiet);

    testit(16384, 128, quiet);

    testit(16385, 128, quiet);

}

#define THREADS     6

#define THR_MEM_COUNT   1024

#define THR_MEM_SIZE    128

static void * thr_data[THREADS][THR_MEM_COUNT];

static slab_cache_t *thr_cache;

static semaphore_t thr_sem;

static bool sh_quiet;

static void slabtest(void *data)

{

    int offs = (int) (unative_t) data;

    int i, j;

    thread_detach(THREAD);

    if (!sh_quiet)

        printf("Starting thread #%" PRIu64 "...\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]);

    }

    if (!sh_quiet)

        printf("Thread #%" PRIu64 " finished\n", THREAD->tid);

    semaphore_up(&thr_sem);

}

static void testthreads(bool quiet)

{

    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", false))) {

            if (!quiet)

                printf("Could not create thread %d\n", i);

        } else

            thread_ready(t);

    }

    for (i = 0; i < THREADS; i++)

        semaphore_down(&thr_sem);

    slab_cache_destroy(thr_cache);

    if (!quiet)

        printf("Test complete.\n");

}

char * test_slab1(bool quiet)

{

    sh_quiet = quiet;

    testsimple(quiet);

    testthreads(quiet);

    return NULL;

}