Subversion Repositories HelenOS

Rev

Rev 2021 | Rev 2028 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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 <panic.h>
  35. #include <memstr.h>
  36.  
  37. #ifdef CONFIG_BENCH
  38. #include <arch/cycle.h>
  39. #endif
  40.  
  41. #define VAL_COUNT   1024
  42.  
  43. static void * data[VAL_COUNT];
  44.  
  45. static void testit(int size, int count)
  46. {
  47.     slab_cache_t *cache;
  48.     int i;
  49.    
  50.     printf("Creating cache, object size: %d.\n", size);
  51.     cache = slab_cache_create("test_cache", size, 0, NULL, NULL,
  52.                   SLAB_CACHE_NOMAGAZINE);  
  53.     printf("Allocating %d items...", count);
  54.     for (i=0; i < count; i++) {
  55.         data[i] = slab_alloc(cache, 0);
  56.         memsetb((uintptr_t)data[i], size, 0);
  57.     }
  58.     printf("done.\n");
  59.     printf("Freeing %d items...", count);
  60.     for (i=0; i < count; i++) {
  61.         slab_free(cache, data[i]);
  62.     }
  63.     printf("done.\n");
  64.  
  65.     printf("Allocating %d items...", count);
  66.     for (i=0; i < count; i++) {
  67.         data[i] = slab_alloc(cache, 0);
  68.         memsetb((uintptr_t)data[i], size, 0);
  69.     }
  70.     printf("done.\n");
  71.  
  72.     printf("Freeing %d items...", count/2);
  73.     for (i=count-1; i >= count/2; i--) {
  74.         slab_free(cache, data[i]);
  75.     }
  76.     printf("done.\n"); 
  77.  
  78.     printf("Allocating %d items...", count/2);
  79.     for (i=count/2; i < count; i++) {
  80.         data[i] = slab_alloc(cache, 0);
  81.         memsetb((uintptr_t)data[i], size, 0);
  82.     }
  83.     printf("done.\n");
  84.     printf("Freeing %d items...", count);
  85.     for (i=0; i < count; i++) {
  86.         slab_free(cache, data[i]);
  87.     }
  88.     printf("done.\n"); 
  89.     slab_cache_destroy(cache);
  90.  
  91.     printf("Test complete.\n");
  92. }
  93.  
  94. static void testsimple(void)
  95. {
  96.     testit(100, VAL_COUNT);
  97.     testit(200, VAL_COUNT);
  98.     testit(1024, VAL_COUNT);
  99.     testit(2048, 512);
  100.     testit(4000, 128);
  101.     testit(8192, 128);
  102.     testit(16384, 128);
  103.     testit(16385, 128);
  104. }
  105.  
  106.  
  107. #define THREADS     6
  108. #define THR_MEM_COUNT   1024
  109. #define THR_MEM_SIZE    128
  110.  
  111. void * thr_data[THREADS][THR_MEM_COUNT];
  112. slab_cache_t *thr_cache;
  113. semaphore_t thr_sem;
  114.  
  115. static void slabtest(void *data)
  116. {
  117.     int offs = (int)(unative_t) data;
  118.     int i,j;
  119.    
  120.     thread_detach(THREAD);
  121.    
  122.     printf("Starting thread #%d...\n",THREAD->tid);
  123.     for (j=0; j<10; j++) {
  124.         for (i=0; i<THR_MEM_COUNT; i++)
  125.             thr_data[offs][i] = slab_alloc(thr_cache,0);
  126.         for (i=0; i<THR_MEM_COUNT/2; i++)
  127.             slab_free(thr_cache, thr_data[offs][i]);
  128.         for (i=0; i< THR_MEM_COUNT/2; i++)
  129.             thr_data[offs][i] = slab_alloc(thr_cache, 0);
  130.         for (i=0; i<THR_MEM_COUNT;i++)
  131.             slab_free(thr_cache, thr_data[offs][i]);
  132.     }
  133.     printf("Thread #%d finished\n", THREAD->tid);
  134.     semaphore_up(&thr_sem);
  135. }
  136.  
  137. static void testthreads(void)
  138. {
  139.     thread_t *t;
  140.     int i;
  141.  
  142.     thr_cache = slab_cache_create("thread_cache", THR_MEM_SIZE, 0,
  143.                       NULL, NULL,
  144.                       SLAB_CACHE_NOMAGAZINE);
  145.     semaphore_initialize(&thr_sem,0);
  146.     for (i=0; i<THREADS; i++) {  
  147.         if (!(t = thread_create(slabtest, (void *)(unative_t)i, TASK, 0, "slabtest")))
  148.             panic("could not create thread\n");
  149.         thread_ready(t);
  150.     }
  151.  
  152.     for (i=0; i<THREADS; i++)
  153.         semaphore_down(&thr_sem);
  154.    
  155.     slab_cache_destroy(thr_cache);
  156.     printf("Test complete.\n");
  157.    
  158. }
  159.  
  160. void test_slab1(void)
  161. {
  162. #ifdef CONFIG_BENCH
  163.     uint64_t t0 = get_cycle();
  164. #endif
  165.     testsimple();
  166.     testthreads();
  167. #ifdef CONFIG_BENCH
  168.     uint64_t dt = get_cycle() - t0;
  169.     printf("Time: %.*d cycles\n", sizeof(dt) * 2, dt);
  170. #endif
  171. }
  172.