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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. static bool sh_quiet;
  51.  
  52. static void falloc(void * arg)
  53. {
  54.     int order, run, allocated, i;
  55.     uint8_t val = THREAD->tid % THREADS;
  56.     index_t k;
  57.    
  58.     uintptr_t * frames =  (uintptr_t *) malloc(MAX_FRAMES * sizeof(uintptr_t), FRAME_ATOMIC);
  59.     if (frames == NULL) {
  60.         if (!sh_quiet)
  61.             printf("Thread #%d (cpu%d): Unable to allocate frames\n", THREAD->tid, CPU->id);
  62.         atomic_inc(&thread_fail);
  63.         atomic_dec(&thread_count);
  64.         return;
  65.     }
  66.    
  67.     thread_detach(THREAD);
  68.  
  69.     for (run = 0; run < THREAD_RUNS; run++) {
  70.         for (order = 0; order <= MAX_ORDER; order++) {
  71.             if (!sh_quiet)
  72.                 printf("Thread #%d (cpu%d): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);
  73.            
  74.             allocated = 0;
  75.             for (i = 0; i < (MAX_FRAMES >> order); i++) {
  76.                 frames[allocated] = (uintptr_t)frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
  77.                 if (frames[allocated]) {
  78.                     memsetb(frames[allocated], FRAME_SIZE << order, val);
  79.                     allocated++;
  80.                 } else
  81.                     break;
  82.             }
  83.            
  84.             if (!sh_quiet)
  85.                 printf("Thread #%d (cpu%d): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);
  86.            
  87.             if (!sh_quiet)
  88.                 printf("Thread #%d (cpu%d): Deallocating ... \n", THREAD->tid, CPU->id);
  89.            
  90.             for (i = 0; i < allocated; i++) {
  91.                 for (k = 0; k <= ((FRAME_SIZE << order) - 1); k++) {
  92.                     if (((uint8_t *) frames[i])[k] != val) {
  93.                         if (!sh_quiet)
  94.                             printf("Thread #%d (cpu%d): Unexpected data (%d) in block %p offset %#zx\n", THREAD->tid, CPU->id, ((char *) frames[i])[k], frames[i], k);
  95.                         atomic_inc(&thread_fail);
  96.                         goto cleanup;
  97.                     }
  98.                 }
  99.                 frame_free(KA2PA(frames[i]));
  100.             }
  101.            
  102.             if (!sh_quiet)
  103.                 printf("Thread #%d (cpu%d): Finished run.\n", THREAD->tid, CPU->id);
  104.         }
  105.     }
  106.  
  107. cleanup:   
  108.     free(frames);
  109.    
  110.     if (!sh_quiet)
  111.         printf("Thread #%d (cpu%d): Exiting\n", THREAD->tid, CPU->id);
  112.     atomic_dec(&thread_count);
  113. }
  114.  
  115. char * test_falloc2(bool quiet)
  116. {
  117.     unsigned int i;
  118.     sh_quiet = quiet;
  119.  
  120.     atomic_set(&thread_count, THREADS);
  121.     atomic_set(&thread_fail, 0);
  122.        
  123.     for (i = 0; i < THREADS; i++) {
  124.         thread_t * thrd = thread_create(falloc, NULL, TASK, 0, "falloc", false);
  125.         if (!thrd) {
  126.             if (!quiet)
  127.                 printf("Could not create thread %d\n", i);
  128.             break;
  129.         }
  130.         thread_ready(thrd);
  131.     }
  132.    
  133.     while (atomic_get(&thread_count) > 0) {
  134.         if (!quiet)
  135.             printf("Threads left: %d\n", atomic_get(&thread_count));
  136.         thread_sleep(1);
  137.     }
  138.    
  139.     if (atomic_get(&thread_fail) == 0)
  140.         return NULL;
  141.    
  142.     return "Test failed";
  143. }
  144.