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  1. /*
  2.  * Copyright (c) 2006 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <test.h>
  30. #include <mm/slab.h>
  31. #include <print.h>
  32. #include <proc/thread.h>
  33. #include <arch.h>
  34. #include <memstr.h>
  35.  
  36. #define VAL_COUNT   1024
  37.  
  38. static void * data[VAL_COUNT];
  39.  
  40. static void testit(int size, int count, bool quiet)
  41. {
  42.     slab_cache_t *cache;
  43.     int i;
  44.    
  45.     if (!quiet)
  46.         printf("Creating cache, object size: %d.\n", size);
  47.    
  48.     cache = slab_cache_create("test_cache", size, 0, NULL, NULL,
  49.                 SLAB_CACHE_NOMAGAZINE);
  50.    
  51.     if (!quiet)
  52.         printf("Allocating %d items...", count);
  53.    
  54.     for (i = 0; i < count; i++) {
  55.         data[i] = slab_alloc(cache, 0);
  56.         memsetb((uintptr_t) data[i], size, 0);
  57.     }
  58.    
  59.     if (!quiet) {
  60.         printf("done.\n");
  61.         printf("Freeing %d items...", count);
  62.     }
  63.    
  64.     for (i = 0; i < count; i++)
  65.         slab_free(cache, data[i]);
  66.    
  67.     if (!quiet) {
  68.         printf("done.\n");
  69.         printf("Allocating %d items...", count);
  70.     }
  71.    
  72.     for (i = 0; i < count; i++) {
  73.         data[i] = slab_alloc(cache, 0);
  74.         memsetb((uintptr_t) data[i], size, 0);
  75.     }
  76.    
  77.     if (!quiet) {
  78.         printf("done.\n");
  79.         printf("Freeing %d items...", count / 2);
  80.     }
  81.    
  82.     for (i = count - 1; i >= count / 2; i--)
  83.         slab_free(cache, data[i]);
  84.    
  85.     if (!quiet) {
  86.         printf("done.\n"); 
  87.         printf("Allocating %d items...", count / 2);
  88.     }
  89.    
  90.     for (i = count / 2; i < count; i++) {
  91.         data[i] = slab_alloc(cache, 0);
  92.         memsetb((uintptr_t) data[i], size, 0);
  93.     }
  94.    
  95.     if (!quiet) {
  96.         printf("done.\n");
  97.         printf("Freeing %d items...", count);
  98.     }
  99.    
  100.     for (i = 0; i < count; i++)
  101.         slab_free(cache, data[i]);
  102.    
  103.     if (!quiet)
  104.         printf("done.\n"); 
  105.     slab_cache_destroy(cache);
  106.    
  107.     if (!quiet)
  108.         printf("Test complete.\n");
  109. }
  110.  
  111. static void testsimple(bool quiet)
  112. {
  113.     testit(100, VAL_COUNT, quiet);
  114.     testit(200, VAL_COUNT, quiet);
  115.     testit(1024, VAL_COUNT, quiet);
  116.     testit(2048, 512, quiet);
  117.     testit(4000, 128, quiet);
  118.     testit(8192, 128, quiet);
  119.     testit(16384, 128, quiet);
  120.     testit(16385, 128, quiet);
  121. }
  122.  
  123. #define THREADS     6
  124. #define THR_MEM_COUNT   1024
  125. #define THR_MEM_SIZE    128
  126.  
  127. static void * thr_data[THREADS][THR_MEM_COUNT];
  128. static slab_cache_t *thr_cache;
  129. static semaphore_t thr_sem;
  130. static bool sh_quiet;
  131.  
  132. static void slabtest(void *data)
  133. {
  134.     int offs = (int) (unative_t) data;
  135.     int i, j;
  136.    
  137.     thread_detach(THREAD);
  138.    
  139.     if (!sh_quiet)
  140.         printf("Starting thread #%" PRIu64 "...\n", THREAD->tid);
  141.    
  142.     for (j = 0; j < 10; j++) {
  143.         for (i = 0; i < THR_MEM_COUNT; i++)
  144.             thr_data[offs][i] = slab_alloc(thr_cache,0);
  145.         for (i = 0; i < THR_MEM_COUNT / 2; i++)
  146.             slab_free(thr_cache, thr_data[offs][i]);
  147.         for (i = 0; i < THR_MEM_COUNT / 2; i++)
  148.             thr_data[offs][i] = slab_alloc(thr_cache, 0);
  149.         for (i = 0; i < THR_MEM_COUNT; i++)
  150.             slab_free(thr_cache, thr_data[offs][i]);
  151.     }
  152.    
  153.     if (!sh_quiet)
  154.         printf("Thread #" PRIu64 " finished\n", THREAD->tid);
  155.    
  156.     semaphore_up(&thr_sem);
  157. }
  158.  
  159. static void testthreads(bool quiet)
  160. {
  161.     thread_t *t;
  162.     int i;
  163.  
  164.     thr_cache = slab_cache_create("thread_cache", THR_MEM_SIZE, 0, NULL, NULL,
  165.                     SLAB_CACHE_NOMAGAZINE);
  166.     semaphore_initialize(&thr_sem, 0);
  167.     for (i = 0; i < THREADS; i++) {  
  168.         if (!(t = thread_create(slabtest, (void *) (unative_t) i, TASK, 0, "slabtest", false))) {
  169.             if (!quiet)
  170.                 printf("Could not create thread %d\n", i);
  171.         } else
  172.             thread_ready(t);
  173.     }
  174.  
  175.     for (i = 0; i < THREADS; i++)
  176.         semaphore_down(&thr_sem);
  177.    
  178.     slab_cache_destroy(thr_cache);
  179.    
  180.     if (!quiet)
  181.         printf("Test complete.\n");
  182. }
  183.  
  184. char * test_slab1(bool quiet)
  185. {
  186.     sh_quiet = quiet;
  187.    
  188.     testsimple(quiet);
  189.     testthreads(quiet);
  190.    
  191.     return NULL;
  192. }
  193.