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[HAL] Improve memory tracer #2596

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merged 1 commit into from Sep 10, 2016
Merged

[HAL] Improve memory tracer #2596

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14 changes: 11 additions & 3 deletions hal/common/mbed_alloc_wrappers.cpp
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Expand Up @@ -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
}

/******************************************************************************/
Expand Down Expand Up @@ -259,12 +267,12 @@ 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;
}
Expand Down