Profiler()
{
_current = new ProfileItem("");
_stopwatch = new Stopwatch();
_current.Start(_stopwatch.Elapsed);
_stopwatch.Start();
}
void AfterAction()
{
lock (this)
{
_stopwatch.Stop();
var end = _stopwatch.Elapsed;
_current.End(end);
_current = _stack.Pop();
_current.Resume(end);
_stopwatch.Start();
}
}
void BeforeAction(string flag, int stackFrameDepth)
{
lock (this)
{
_stopwatch.Stop();
var start = _stopwatch.Elapsed;
_current.Suspend(start);
_stack.Push(_current);
var position = Tracer.MethodHeader(stackFrameDepth: stackFrameDepth + 1) + flag;
if (!_profileItems.TryGetValue(position, out _current))
{
_current = new ProfileItem(position);
_profileItems.Add(position, _current);
}
_current.Start(start);
_stopwatch.Start();
}
}
void Start(string flag, int stackFrameDepth)
{
_instance.BeforeAction(flag, stackFrameDepth + 1);
_item = _profiler._current;
}