internal void Add(FlameBox flameBox)
{
var row = new Range(flameBox.Y, flameBox.Y + flameBox.Height);
if (!boxesMap.TryGetValue(row, out var list))
{
boxesMap.Add(row, list = new List <FlameBox>());
}
list.Add(flameBox);
}
public static IEnumerable <FlameBox> Calculate(CallTree callTree, double maxWidth, double maxHeight)
{
double maxDepth = GetMaxDepth(callTree.Root);
double boxHeight = maxHeight / maxDepth;
double pixelsPerIncusiveSample = maxWidth / callTree.Root.InclusiveMetric;
var rootBox = new FlameBox(callTree.Root, maxWidth, boxHeight, 0, maxHeight - boxHeight);
yield return(rootBox);
var nodesToVisit = new Queue <FlamePair>();
nodesToVisit.Enqueue(new FlamePair(rootBox, callTree.Root));
while (nodesToVisit.Count > 0)
{
var current = nodesToVisit.Dequeue();
var parentBox = current.ParentBox;
var currentNode = current.Node;
double nextBoxX = (parentBox.Width - (currentNode.Callees.Sum(child => child.InclusiveMetric) * pixelsPerIncusiveSample)) / 2.0; // centering the starting point
foreach (var child in currentNode.Callees)
{
double childBoxWidth = child.InclusiveMetric * pixelsPerIncusiveSample;
var childBox = new FlameBox(child, childBoxWidth, boxHeight, parentBox.X + nextBoxX, parentBox.Y - boxHeight);
nextBoxX += childBoxWidth;
if (child.Callees != null)
{
nodesToVisit.Enqueue(new FlamePair(childBox, child));
}
yield return(childBox);
}
}
}
private static FrameworkElement CreateRectangle(FlameBox box, int index)
{
var tooltip = $"Method: {box.Node.DisplayName} ({box.Node.InclusiveCount} inclusive samples, {box.Node.InclusiveMetricPercent:F}%)";
var background = Brushes[++index % Brushes.Length]; // in the future, the color could be chosen according to the belonging of the method (JIT, GC, user code, OS etc)
// for small boxes we create Rectangles, because they are much faster (too many TextBlocks === bad perf)
// also for small rectangles it's impossible to read the name of the method anyway (only few characters are printed)
if (box.Width < 50)
{
return new Rectangle
{
Height = box.Height,
Width = box.Width,
Fill = background,
ToolTip = new ToolTip {
Content = tooltip
},
DataContext = box.Node
}
}
;
return(new TextBlock
{
Height = box.Height,
Width = box.Width,
Background = background,
ToolTip = new ToolTip {
Content = tooltip
},
Text = box.Node.DisplayName,
DataContext = box.Node,
FontFamily = FontFamily,
FontSize = Math.Min(20.0, box.Height)
});
}
}
private static int CompareByX(FlameBox left, FlameBox right) => left.X.CompareTo(right.X);
public FlamePair(FlameBox parentBox, CallTreeNode node)
{
ParentBox = parentBox;
Node = node;
}
