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  1. /*
  2.  * Copyright (c) 2006 Sergey Bondari
  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 <print.h>
  30. #include <test.h>
  31. #include <mm/page.h>
  32. #include <mm/frame.h>
  33. #include <mm/slab.h>
  34. #include <arch/mm/page.h>
  35. #include <arch/types.h>
  36. #include <atomic.h>
  37. #include <debug.h>
  38. #include <proc/thread.h>
  39. #include <memstr.h>
  40. #include <arch.h>
  41.  
  42. #define MAX_FRAMES  256
  43. #define MAX_ORDER   8
  44.  
  45. #define THREAD_RUNS  1
  46. #define THREADS      8
  47.  
  48. static atomic_t thread_count;
  49. static atomic_t thread_fail;
  50.  
  51. static void falloc(void *arg)
  52. {
  53.     int order, run, allocated, i;
  54.     uint8_t val = THREAD->tid % THREADS;
  55.     size_t k;
  56.    
  57.     void **frames =  (void **) malloc(MAX_FRAMES * sizeof(void *), FRAME_ATOMIC);
  58.     if (frames == NULL) {
  59.         TPRINTF("Thread #%" PRIu64 " (cpu%u): Unable to allocate frames\n", THREAD->tid, CPU->id);
  60.         atomic_inc(&thread_fail);
  61.         atomic_dec(&thread_count);
  62.         return;
  63.     }
  64.    
  65.     thread_detach(THREAD);
  66.    
  67.     for (run = 0; run < THREAD_RUNS; run++) {
  68.         for (order = 0; order <= MAX_ORDER; order++) {
  69.             TPRINTF("Thread #%" PRIu64 " (cpu%u): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);
  70.            
  71.             allocated = 0;
  72.             for (i = 0; i < (MAX_FRAMES >> order); i++) {
  73.                 frames[allocated] = frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
  74.                 if (frames[allocated]) {
  75.                     memsetb(frames[allocated], FRAME_SIZE << order, val);
  76.                     allocated++;
  77.                 } else
  78.                     break;
  79.             }
  80.            
  81.             TPRINTF("Thread #%" PRIu64 " (cpu%u): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);
  82.             TPRINTF("Thread #%" PRIu64 " (cpu%u): Deallocating ... \n", THREAD->tid, CPU->id);
  83.            
  84.             for (i = 0; i < allocated; i++) {
  85.                 for (k = 0; k <= (((size_t) FRAME_SIZE << order) - 1); k++) {
  86.                     if (((uint8_t *) frames[i])[k] != val) {
  87.                         TPRINTF("Thread #%" PRIu64 " (cpu%u): Unexpected data (%c) in block %p offset %#" PRIs "\n", THREAD->tid, CPU->id, ((char *) frames[i])[k], frames[i], k);
  88.                         atomic_inc(&thread_fail);
  89.                         goto cleanup;
  90.                     }
  91.                 }
  92.                 frame_free(KA2PA(frames[i]));
  93.             }
  94.            
  95.             TPRINTF("Thread #%" PRIu64 " (cpu%u): Finished run.\n", THREAD->tid, CPU->id);
  96.         }
  97.     }
  98.    
  99. cleanup:
  100.     free(frames);
  101.    
  102.     TPRINTF("Thread #%" PRIu64 " (cpu%u): Exiting\n", THREAD->tid, CPU->id);
  103.     atomic_dec(&thread_count);
  104. }
  105.  
  106. char *test_falloc2(void)
  107. {
  108.     unsigned int i;
  109.    
  110.     atomic_set(&thread_count, THREADS);
  111.     atomic_set(&thread_fail, 0);
  112.    
  113.     for (i = 0; i < THREADS; i++) {
  114.         thread_t * thrd = thread_create(falloc, NULL, TASK, 0, "falloc", false);
  115.         if (!thrd) {
  116.             TPRINTF("Could not create thread %u\n", i);
  117.             break;
  118.         }
  119.         thread_ready(thrd);
  120.     }
  121.    
  122.     while (atomic_get(&thread_count) > 0) {
  123.         TPRINTF("Threads left: %ld\n", atomic_get(&thread_count));
  124.         thread_sleep(1);
  125.     }
  126.    
  127.     if (atomic_get(&thread_fail) == 0)
  128.         return NULL;
  129.    
  130.     return "Test failed";
  131. }
  132.