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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. #include <print.h>
  29. #include <test.h>
  30. #include <mm/page.h>
  31. #include <mm/frame.h>
  32. #include <mm/slab.h>
  33. #include <arch/mm/page.h>
  34. #include <arch/types.h>
  35. #include <atomic.h>
  36. #include <debug.h>
  37. #include <proc/thread.h>
  38. #include <memstr.h>
  39. #include <arch.h>
  40.  
  41. #ifdef CONFIG_BENCH
  42. #include <arch/cycle.h>
  43. #endif
  44.  
  45. #define MAX_FRAMES 256
  46. #define MAX_ORDER 8
  47.  
  48. #define THREAD_RUNS 1
  49. #define THREADS 8
  50.  
  51. static void falloc(void * arg);
  52. static void failed(void);
  53.  
  54. static atomic_t thread_count;
  55.  
  56. void falloc(void * arg)
  57. {
  58.     int order, run, allocated, i;
  59.     uint8_t val = THREAD->tid % THREADS;
  60.     index_t k;
  61.    
  62.     uintptr_t * frames =  (uintptr_t *) malloc(MAX_FRAMES * sizeof(uintptr_t), FRAME_ATOMIC);
  63.     ASSERT(frames != NULL);
  64.    
  65.     thread_detach(THREAD);
  66.  
  67.     for (run = 0; run < THREAD_RUNS; run++) {
  68.         for (order = 0; order <= MAX_ORDER; order++) {
  69.             printf("Thread #%d (cpu%d): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order);
  70.             allocated = 0;
  71.             for (i = 0; i < (MAX_FRAMES >> order); i++) {
  72.                 frames[allocated] = (uintptr_t)frame_alloc(order, FRAME_ATOMIC | FRAME_KA);
  73.                 if (frames[allocated]) {
  74.                     memsetb(frames[allocated], FRAME_SIZE << order, val);
  75.                     allocated++;
  76.                 } else {
  77.                     break;
  78.                 }
  79.             }
  80.             printf("Thread #%d (cpu%d): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated);
  81.  
  82.             printf("Thread #%d (cpu%d): Deallocating ... \n", THREAD->tid, CPU->id);
  83.             for (i = 0; i < allocated; i++) {
  84.                 for (k = 0; k <= ((FRAME_SIZE << order) - 1); k++) {
  85.                     if (((uint8_t *) frames[i])[k] != val) {
  86.                         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);
  87.                         failed();
  88.                     }
  89.                 }
  90.                 frame_free(KA2PA(frames[i]));
  91.             }
  92.             printf("Thread #%d (cpu%d): Finished run.\n", THREAD->tid, CPU->id);
  93.         }
  94.     }
  95.    
  96.     free(frames);
  97.     printf("Thread #%d (cpu%d): Exiting\n", THREAD->tid, CPU->id);
  98.     atomic_dec(&thread_count);
  99. }
  100.  
  101.  
  102. void failed(void)
  103. {
  104.     panic("Test failed.\n");
  105. }
  106.  
  107.  
  108. void test_falloc2(void)
  109. {
  110. #ifdef CONFIG_BENCH
  111.     uint64_t t0 = get_cycle();
  112. #endif
  113.     int i;
  114.  
  115.     atomic_set(&thread_count, THREADS);
  116.        
  117.     for (i = 0; i < THREADS; i++) {
  118.         thread_t * thrd;
  119.         thrd = thread_create(falloc, NULL, TASK, 0, "falloc");
  120.         if (thrd)
  121.             thread_ready(thrd);
  122.         else
  123.             failed();
  124.     }
  125.    
  126.     while (thread_count.count)
  127.         ;
  128.  
  129.     printf("Test passed.\n");
  130. #ifdef CONFIG_BENCH
  131.     uint64_t dt = get_cycle() - t0;
  132.     printf("Time: %.*d cycles\n", sizeof(dt) * 2, dt);
  133. #endif
  134. }
  135.