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Merge pull request #2596 from neilt6/neilt6-memory-tracer-patch 

[HAL] Improve memory tracer
pull/2661/head
Sam Grove 2016-09-10 11:42:04 -05:00 committed by GitHub
parent fe8bd7df2e 6aab0606a1
commit b2ce50a8d3
1 changed files with 11 additions and 3 deletions
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14
hal/common/mbed_alloc_wrappers.cpp
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@ -46,15 +46,23 @@ typedef struct {
uint32_t pad;
} alloc_info_t;
static SingletonPtr<PlatformMutex> malloc_stats_mutex;
#ifdef MBED_MEM_TRACING_ENABLED
static SingletonPtr<PlatformMutex> mem_trace_mutex;
#endif
#ifdef MBED_HEAP_STATS_ENABLED
static SingletonPtr<PlatformMutex> malloc_stats_mutex;
static mbed_stats_heap_t heap_stats = {0, 0, 0, 0, 0};
#endif
void mbed_stats_heap_get(mbed_stats_heap_t *stats)
{
#ifdef MBED_HEAP_STATS_ENABLED
malloc_stats_mutex->lock();
memcpy(stats, &heap_stats, sizeof(mbed_stats_heap_t));
malloc_stats_mutex->unlock();
#else
memset(stats, 0, sizeof(mbed_stats_heap_t));
#endif
}
/******************************************************************************/
@ -260,12 +268,12 @@ extern "C" void* $Sub$$realloc(void *ptr, size_t size) {
free(ptr);
}
#else // #ifdef MBED_HEAP_STATS_ENABLED
mem_trace_mutex->lock();
new_ptr = $Super$$realloc(ptr, size);
mem_trace_mutex->unlock();
#endif // #ifdef MBED_HEAP_STATS_ENABLED
#ifdef MBED_MEM_TRACING_ENABLED
mem_trace_mutex->lock();
mbed_mem_trace_realloc(new_ptr, ptr, size, MBED_CALLER_ADDR());
mem_trace_mutex->unlock();
#endif // #ifdef MBED_MEM_TRACING_ENABLED
return new_ptr;
}