public void Parse(string blockName)
{
List <string> types = new List <string>();
int recursionLevel = 0;
Call baseCall = new Call("Engine");
Call curCall = baseCall;
_infos.Clear();
_details = new CallDetails();
_stream.Seek(-4, SeekOrigin.End);
uint endMagic = _stream.ReadU32(32);
if (endMagic == 0xDEADCAFE)
{
_stream.Seek(-12, SeekOrigin.End);
_length = _stream.ReadU64(64);
if (_length > _stream.Length())
{
_length = _stream.Length();
_terminated = false;
}
else
{
_terminated = true;
}
}
else
{
_length = _stream.Length();
_terminated = false;
}
_stream.Seek(0, SeekOrigin.Begin);
uint startMagic = _stream.ReadU32(32);
if (startMagic != 0xDEADCAFE)
{
throw new ErrorException("Unrecognized file format.");
}
_profilerVersion = _stream.ReadU32(16);
_wseVersionMajor = _stream.ReadU32(16);
_wseVersionMinor = _stream.ReadU32(16);
_wseVersionBuild = _stream.ReadU32(16);
_frequency = (float)_stream.ReadU64(64);
_overhead = _stream.ReadU64(64);
_totalTime = 0;
while (_stream.Position() < _length)
{
var type = _stream.ReadU32(1);
if (type == 0)
{
var rec = _stream.ReadU32(1);
var bci = _stream.ReadBCI15();
if (rec > 0)
{
var call = new Call(types[(int)bci], curCall);
curCall.Children.Add(call);
curCall = call;
recursionLevel++;
}
else
{
ulong time = bci - _overhead;
if (time < 0)
{
time = 0;
}
curCall.Time = time * 1000000 / _frequency;
if (curCall.Id == blockName)
{
_details.AddCall(curCall);
}
curCall = curCall.Parent;
recursionLevel--;
}
if (curCall == baseCall)
{
if (blockName == "")
{
if (curCall.Children.Count != 1)
{
throw new Exception("Base call with multiple children.");
}
_totalTime += curCall.Children[0].TimeRecursive;
ParseCall(curCall.Children[0]);
}
curCall.Children.Clear();
}
}
else if (type == 1)
{
types.Add(_stream.ReadString());
}
}
if (recursionLevel != 0)
{
this.ShowWarning("Final block depth non-zero. Is the profiling file damaged or incomplete?");
var call = curCall;
while (call != null)
{
ParseCall(call);
call = call.Parent;
}
}
}
public void Close()
{
_infos.Clear();
_details = null;
GC.Collect();
}
