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Add statistics about number of allocated blocks

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Manuel Pégourié-Gonnard 2013-12-30 18:06:41 +01:00
parent 1f789b8348
commit 70896a023e
1 changed files with 8 additions and 2 deletions
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10
library/memory_buffer_alloc.c
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@ -77,6 +77,7 @@ typedef struct
size_t total_used; size_t total_used;
size_t maximum_used; size_t maximum_used;
size_t header_count; size_t header_count;
size_t maximum_header_count;
#endif #endif
#if defined(POLARSSL_THREADING_C) #if defined(POLARSSL_THREADING_C)
threading_mutex_t mutex; threading_mutex_t mutex;
@ -335,6 +336,8 @@ static void *buffer_alloc_malloc( size_t len )
#if defined(POLARSSL_MEMORY_DEBUG) #if defined(POLARSSL_MEMORY_DEBUG)
heap.header_count++; heap.header_count++;
if( heap.header_count > heap.maximum_header_count )
heap.maximum_header_count = heap.header_count;
heap.total_used += cur->size; heap.total_used += cur->size;
if( heap.total_used > heap.maximum_used) if( heap.total_used > heap.maximum_used)
heap.maximum_used = heap.total_used; heap.maximum_used = heap.total_used;
@ -484,8 +487,11 @@ int memory_buffer_alloc_verify()
void memory_buffer_alloc_status() void memory_buffer_alloc_status()
{ {
fprintf( stderr, fprintf( stderr,
"Current use: %u blocks / %u bytes, max: %u bytes, malloc / free: %u / %u\n", "Current use: %u blocks / %u bytes, max: %u blocks / %u bytes (total %u bytes), malloc / free: %u / %u\n",
heap.header_count, heap.total_used, heap.maximum_used, heap.header_count, heap.total_used,
heap.maximum_header_count, heap.maximum_used,
heap.maximum_header_count * sizeof( memory_header )
+ heap.maximum_used,
heap.malloc_count, heap.free_count ); heap.malloc_count, heap.free_count );
if( heap.first->next == NULL ) if( heap.first->next == NULL )