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Diffstat (limited to 'apps/examples/mm/mm_main.c')
-rw-r--r-- | apps/examples/mm/mm_main.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/apps/examples/mm/mm_main.c b/apps/examples/mm/mm_main.c deleted file mode 100644 index 149550418..000000000 --- a/apps/examples/mm/mm_main.c +++ /dev/null @@ -1,300 +0,0 @@ -/**************************************************************************** - * examples/mm/mm_main.c - * - * Copyright (C) 2011 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 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 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 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 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 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 alignment[NTEST_ALLOCS/2] = -{ - 128, 2048, 131072, 8192, 32, 32768, 16384 , 262144, - 512, 4096, 65536, 8, 64, 1024, 16, 4 -}; - -static void *allocs[NTEST_ALLOCS]; -static struct mallinfo alloc_info; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -static void mm_showmallinfo(void) -{ - alloc_info = mallinfo(); - printf(" mallinfo:\n"); - printf(" Total space allocated from system = %ld\n", - alloc_info.arena); - printf(" Number of non-inuse chunks = %ld\n", - alloc_info.ordblks); - printf(" Largest non-inuse chunk = %ld\n", - alloc_info.mxordblk); - printf(" Total allocated space = %ld\n", - alloc_info.uordblks); - printf(" Total non-inuse space = %ld\n", - alloc_info.fordblks); -} - -static void do_mallocs(void **mem, const int *size, 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 > alloc_info.mxordblk) - { - fprintf(stderr, " Normal, largest free block is only %ld\n", alloc_info.mxordblk); - } - else - { - fprintf(stderr, " ERROR largest free block is %ld\n", alloc_info.mxordblk); - exit(1); - } - } - else - { - memset(mem[j], 0xAA, size[j]); - } - - mm_showmallinfo(); - } - } -} - -static void do_reallocs(void **mem, const int *oldsize, const int *newsize, 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 > alloc_info.mxordblk) - { - fprintf(stderr, " Normal, largest free block is only %ld\n", alloc_info.mxordblk); - } - else - { - fprintf(stderr, " ERROR largest free block is %ld\n", alloc_info.mxordblk); - exit(1); - } - } - else - { - memset(mem[j], 0x55, newsize[j]); - } - - mm_showmallinfo(); - } -} - -static void do_memaligns(void **mem, const int *size, const int *align, 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 > alloc_info.mxordblk) - { - fprintf(stderr, " Normal, largest free block is only %ld\n", alloc_info.mxordblk); - } - else - { - fprintf(stderr, " ERROR largest free block is %ld\n", alloc_info.mxordblk); - exit(1); - } - } - else - { - memset(mem[j], 0x33, size[j]); - } - - mm_showmallinfo(); - } -} - -static void do_frees(void **mem, const int *size, 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 mm_main(int argc, char *argv[]) -{ - mm_showmallinfo(); - - /* Allocate some memory */ - - do_mallocs(allocs, alloc_sizes, random1, NTEST_ALLOCS); - - /* Re-allocate the memory */ - - do_reallocs(allocs, alloc_sizes, realloc_sizes, random2, NTEST_ALLOCS); - - /* Release the memory */ - - do_frees(allocs, realloc_sizes, random3, NTEST_ALLOCS); - - /* Allocate aligned memory */ - - do_memaligns(allocs, alloc_sizes, alignment, random2, NTEST_ALLOCS/2); - do_memaligns(allocs, alloc_sizes, alignment, &random2[NTEST_ALLOCS/2], NTEST_ALLOCS/2); - - /* Release aligned memory */ - - do_frees(allocs, alloc_sizes, random1, NTEST_ALLOCS); - - printf("TEST COMPLETE\n"); - return 0; -} |