public HeapMetricNode(HeapStructureNode heapNode, string idSuffix, string name, Func <ParsedHeapState, int> callback)
: base(heapNode.UniqueID + idSuffix)
{
Name = name;
_Callback = callback;
_HeapNode = heapNode;
SelectedFormatter = _HeapNode._Root.Engine.GetDefaultFormatter(ScalarVariableType.SInt32);
}
protected int ProvideEstimatedStackSize(out ulong pxStack)
{
if (!_StackSizeQueried)
{
_StackSizeQueried = true;
if (_ThreadNode._Variables.pxStack != null && _ThreadNode._Variables.pxTopOfStack != null)
{
int pointerSize = _ThreadNode._Variables.pxStack.Size;
ulong allocatedMask = HeapStructureNode.GetBlockAllocatedMask(pointerSize >= 8);
_pxStack = _ThreadNode._Engine.ReadMemory(_ThreadNode._Variables.pxStack).ToUlong();
ulong pxTopOfStack = _ThreadNode._Variables.pxTopOfStackLive.GetValue().ToUlong();
if (_pxStack != 0 && pxTopOfStack != 0)
{
if (_ThreadNode._ucHeap != null && _pxStack >= _ThreadNode._ucHeap.Address && _pxStack < (_ThreadNode._ucHeap.Address + (uint)_ThreadNode._ucHeap.Size))
{
//The logic below will only work if the stack was allocated from the FreeRTOS heap (tested with heap_4).
ulong heapBlockSize = _ThreadNode._Engine.Memory.ReadMemory(_pxStack - (uint)pointerSize, pointerSize).ToUlong();
if ((heapBlockSize & allocatedMask) != 0)
{
_EstimatedStackSize = (int)(heapBlockSize & ~allocatedMask) - 2 * pointerSize;
}
}
else
{
var fixedStackVariable = _ThreadNode._Engine.Symbols.TopLevelVariables.FirstOrDefault(v => v.Address == _pxStack && v.Size != 0);
if (fixedStackVariable != null)
{
_EstimatedStackSize = fixedStackVariable.Size;
}
}
}
}
}
pxStack = _pxStack;
return(_EstimatedStackSize);
}
public HeapBlockNode(HeapStructureNode heapNode, int index)
: base($"{heapNode.UniqueID}[{index}]")
{
_HeapNode = heapNode;
_Index = index;
}
public HeapMetricNode(HeapStructureNode heapNode, string idSuffix, string name, Func <ParsedHeapState, long> callback)
: this(heapNode, idSuffix, name, s => (int)callback(s))
{
}