327 lines
10 KiB
C
327 lines
10 KiB
C
/****************************************************************************
|
|
* apps/testing/mm/mm_main.c
|
|
*
|
|
* Copyright (C) 2011, 2020 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define NTEST_ALLOCS 32
|
|
|
|
/* #define STOP_ON_ERRORS do {} while (0) */
|
|
|
|
#define STOP_ON_ERRORS exit(1)
|
|
|
|
/* All other definitions derive from these two */
|
|
|
|
#define MM_MIN_SHIFT 4 /* 16 bytes */
|
|
#define MM_MIN_CHUNK (1 << MM_MIN_SHIFT)
|
|
#define MM_GRAN_MASK (MM_MIN_CHUNK - 1)
|
|
#define MM_ALIGN_UP(a) (((a) + MM_GRAN_MASK) & ~MM_GRAN_MASK)
|
|
#define MM_ALIGN_DOWN(a) ((a) & ~MM_GRAN_MASK)
|
|
|
|
#ifdef CONFIG_SMALL_MEMORY
|
|
# define SIZEOF_MM_ALLOCNODE 4
|
|
#else
|
|
# define SIZEOF_MM_ALLOCNODE 8
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/* Test allocations */
|
|
|
|
static const int g_alloc_sizes[NTEST_ALLOCS] =
|
|
{
|
|
1024, 12, 962, 5692, 10254, 111, 9932, 601,
|
|
222, 2746, 3, 124321, 68, 776, 6750, 852,
|
|
4732, 28, 901, 480, 5011, 1536, 2011, 81647,
|
|
646, 1646, 69179, 194, 2590, 7, 969, 70
|
|
};
|
|
|
|
static const int g_realloc_sizes[NTEST_ALLOCS] =
|
|
{
|
|
18, 3088, 963, 123, 511, 11666, 3723, 42,
|
|
9374, 1990, 1412, 6, 592, 4088, 11, 5040,
|
|
8663, 91255, 28, 4346, 9172, 168, 229, 4734,
|
|
59139, 221, 7830, 30421, 1666, 4, 812, 416
|
|
};
|
|
|
|
static const int g_random1[NTEST_ALLOCS] =
|
|
{
|
|
20, 11, 3, 31, 9, 29, 7, 17,
|
|
21, 2, 26, 18, 14, 25, 0, 10,
|
|
27, 19, 22, 28, 8, 30, 12, 15,
|
|
4, 1, 24, 6, 16, 13, 5, 23
|
|
};
|
|
|
|
static const int g_random2[NTEST_ALLOCS] =
|
|
{
|
|
2, 19, 12, 23, 30, 11, 27, 4,
|
|
20, 7, 0, 16, 28, 15, 5, 24,
|
|
10, 17, 25, 31, 8, 29, 3, 26,
|
|
9, 18, 22, 13, 1, 21, 14, 6
|
|
};
|
|
|
|
static const int g_random3[NTEST_ALLOCS] =
|
|
{
|
|
8, 17, 3, 18, 26, 23, 30, 11,
|
|
12, 22, 4, 20, 25, 10, 27, 1,
|
|
29, 14, 19, 21, 0, 31, 7, 24,
|
|
9, 15, 2, 28, 16, 6, 13, 5
|
|
};
|
|
|
|
static const int g_alignment[NTEST_ALLOCS / 2] =
|
|
{
|
|
128, 2048, 131072, 8192, 32, 32768, 16384 , 262144,
|
|
512, 4096, 65536, 8, 64, 1024, 16, 4
|
|
};
|
|
|
|
static FAR void *g_allocs[NTEST_ALLOCS];
|
|
static struct mallinfo g_alloc_info;
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
static void mm_showmallinfo(void)
|
|
{
|
|
g_alloc_info = mallinfo();
|
|
printf(" mallinfo:\n");
|
|
printf(" Total space allocated from system = %lu\n",
|
|
(unsigned long)g_alloc_info.arena);
|
|
printf(" Number of non-inuse chunks = %lu\n",
|
|
(unsigned long)g_alloc_info.ordblks);
|
|
printf(" Largest non-inuse chunk = %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
printf(" Total allocated space = %lu\n",
|
|
(unsigned long)g_alloc_info.uordblks);
|
|
printf(" Total non-inuse space = %lu\n",
|
|
(unsigned long)g_alloc_info.fordblks);
|
|
}
|
|
|
|
static void do_mallocs(FAR void **mem, FAR const int *size,
|
|
FAR const int *seq, int n)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
j = seq[i];
|
|
if (!mem[j])
|
|
{
|
|
printf("(%d)Allocating %d bytes\n", i, size[j]);
|
|
|
|
mem[j] = malloc(size[j]);
|
|
printf("(%d)Memory allocated at %p\n", i, mem[j]);
|
|
|
|
if (mem[j] == NULL)
|
|
{
|
|
int allocsize = MM_ALIGN_UP(size[j] + SIZEOF_MM_ALLOCNODE);
|
|
|
|
fprintf(stderr, "(%d)malloc failed for allocsize=%d\n",
|
|
i, allocsize);
|
|
|
|
if (allocsize > g_alloc_info.mxordblk)
|
|
{
|
|
fprintf(stderr, " Normal, largest free block is only %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, " ERROR largest free block is %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
exit(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memset(mem[j], 0xaa, size[j]);
|
|
}
|
|
|
|
mm_showmallinfo();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void do_reallocs(FAR void **mem, FAR const int *oldsize,
|
|
FAR const int *newsize, FAR const int *seq, int n)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
j = seq[i];
|
|
printf("(%d)Re-allocating at %p from %d to %d bytes\n",
|
|
i, mem[j], oldsize[j], newsize[j]);
|
|
|
|
mem[j] = realloc(mem[j], newsize[j]);
|
|
printf("(%d)Memory re-allocated at %p\n", i, mem[j]);
|
|
|
|
if (mem[j] == NULL)
|
|
{
|
|
int allocsize = MM_ALIGN_UP(newsize[j] + SIZEOF_MM_ALLOCNODE);
|
|
|
|
fprintf(stderr, "(%d)realloc failed for allocsize=%d\n", i, allocsize);
|
|
if (allocsize > g_alloc_info.mxordblk)
|
|
{
|
|
fprintf(stderr, " Normal, largest free block is only %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, " ERROR largest free block is %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
exit(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memset(mem[j], 0x55, newsize[j]);
|
|
}
|
|
|
|
mm_showmallinfo();
|
|
}
|
|
}
|
|
|
|
static void do_memaligns(FAR void **mem, FAR const int *size, FAR const int *align,
|
|
FAR const int *seq, int n)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
j = seq[i];
|
|
printf("(%d)Allocating %d bytes aligned to 0x%08x\n",
|
|
i, size[j], align[i]);
|
|
|
|
mem[j] = memalign(align[i], size[j]);
|
|
printf("(%d)Memory allocated at %p\n", i, mem[j]);
|
|
|
|
if (mem[j] == NULL)
|
|
{
|
|
int allocsize = MM_ALIGN_UP(size[j] + SIZEOF_MM_ALLOCNODE) + 2*align[i];
|
|
|
|
fprintf(stderr, "(%d)memalign failed for allocsize=%d\n", i, allocsize);
|
|
if (allocsize > g_alloc_info.mxordblk)
|
|
{
|
|
fprintf(stderr, " Normal, largest free block is only %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, " ERROR largest free block is %lu\n",
|
|
(unsigned long)g_alloc_info.mxordblk);
|
|
exit(1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memset(mem[j], 0x33, size[j]);
|
|
}
|
|
|
|
mm_showmallinfo();
|
|
}
|
|
}
|
|
|
|
static void do_frees(FAR void **mem, FAR const int *size,
|
|
FAR const int *seq, int n)
|
|
{
|
|
int i;
|
|
int j;
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
j = seq[i];
|
|
|
|
printf("(%d)Releasing memory at %p (size=%d bytes)\n",
|
|
i, mem[j], size[j]);
|
|
|
|
free(mem[j]);
|
|
mem[j] = NULL;
|
|
|
|
mm_showmallinfo();
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: mm_main
|
|
****************************************************************************/
|
|
|
|
int main(int argc, FAR char *argv[])
|
|
{
|
|
mm_showmallinfo();
|
|
|
|
/* Allocate some memory */
|
|
|
|
do_mallocs(g_allocs, g_alloc_sizes, g_random1, NTEST_ALLOCS);
|
|
|
|
/* Re-allocate the memory */
|
|
|
|
do_reallocs(g_allocs, g_alloc_sizes, g_realloc_sizes, g_random2, NTEST_ALLOCS);
|
|
|
|
/* Release the memory */
|
|
|
|
do_frees(g_allocs, g_realloc_sizes, g_random3, NTEST_ALLOCS);
|
|
|
|
/* Allocate aligned memory */
|
|
|
|
do_memaligns(g_allocs, g_alloc_sizes, g_alignment, g_random2, NTEST_ALLOCS / 2);
|
|
do_memaligns(g_allocs, g_alloc_sizes, g_alignment, &g_random2[NTEST_ALLOCS / 2],
|
|
NTEST_ALLOCS / 2);
|
|
|
|
/* Release aligned memory */
|
|
|
|
do_frees(g_allocs, g_alloc_sizes, g_random1, NTEST_ALLOCS);
|
|
|
|
printf("TEST COMPLETE\n");
|
|
return 0;
|
|
}
|