/// <summary>
/// Gets a node with the given name. If no child with this name exists, a new child is appended.
/// </summary>
/// <param name="nodeName">The name of the node.</param>
/// <returns>The child node.</returns>
internal HierarchicalProfilerNode GetSubNode(string nodeName)
{
var child = FirstChild;
while (child != null)
{
if (child.Name == nodeName)
{
return(child);
}
child = child.NextSibling;
}
// Did not find a matching child node. --> Add new child.
var node = new HierarchicalProfilerNode(nodeName, this);
if (LastChild == null)
{
Debug.Assert(FirstChild == null);
Debug.Assert(LastChild == null);
FirstChild = node;
LastChild = node;
}
else
{
LastChild.NextSibling = node;
LastChild = node;
}
return(node);
}
/// <summary>
/// Initializes a new instance of the <see cref="HierarchicalProfilerNode"/> class.
/// </summary>
/// <param name="name">The name.</param>
/// <param name="parent">The parent.</param>
internal HierarchicalProfilerNode(string name, HierarchicalProfilerNode parent)
{
Name = name;
Profiler = parent.Profiler;
Parent = parent;
Reset();
}
/// <summary>
/// Dumps the profiled data of the given node.
/// </summary>
/// <param name="node">The node. Can be <see langword="false"/> to use the root node.</param>
/// <param name="maxLevelIncluded">
/// The maximal level included relative to the given node. 0 means, no child data is included.
/// 1 means, one level of children are included.
/// </param>
/// <returns>
/// A string representing the profiled data.
/// </returns>
public string Dump(HierarchicalProfilerNode node, int maxLevelIncluded)
{
if (maxLevelIncluded < 0 || FrameCount == 0)
return string.Empty;
if (node == null)
node = Root;
var stringBuilder = new StringBuilder();
TimeSpan totalTime = (node == Root) ? ElapsedTime : node.Sum;
stringBuilder.Append(Name);
stringBuilder.Append(".");
stringBuilder.Append(node.Name);
stringBuilder.Append(" ");
stringBuilder.Append(FrameCount);
stringBuilder.Append(" frames ");
AppendTime(stringBuilder, new TimeSpan(totalTime.Ticks / FrameCount));
stringBuilder.Append("/frame ");
AppendTime(stringBuilder, totalTime);
stringBuilder.Append(" total");
stringBuilder.AppendLine();
Dump(stringBuilder, node, 1, maxLevelIncluded, totalTime);
return stringBuilder.ToString();
}
/// <summary>
/// Initializes a new instance of the <see cref="HierarchicalProfiler"/> class.
/// </summary>
/// <param name="name">The name of this profiler.</param>
public HierarchicalProfiler(string name)
{
throw Portable.NotImplementedException;
#elif SILVERLIGHT
throw new NotSupportedException();
#else
Name = name;
Root = new HierarchicalProfilerNode("Root", this);
CurrentNode = Root;
Stopwatch = System.Diagnostics.Stopwatch.StartNew();
}
/// <summary>
/// Dumps the specified string builder (recursive).
/// </summary>
private void Dump(StringBuilder stringBuilder, HierarchicalProfilerNode node, int level, int maxLevelIncluded, TimeSpan totalTime)
{
if (level > maxLevelIncluded)
return;
TimeSpan childrenSum = TimeSpan.Zero;
int numberOfChildren = 0;
foreach (var child in node.Children)
{
numberOfChildren++;
childrenSum += child.Sum;
for (int i = 0; i < level; i++)
stringBuilder.Append(" ");
stringBuilder.Append(child.Name);
stringBuilder.Append(" ");
stringBuilder.Append(((double)child.Sum.Ticks / totalTime.Ticks).ToString("0.##% ", CultureInfo.InvariantCulture));
//AppendTime(stringBuilder, child.Sum);
//stringBuilder.Append(" ");
AppendTime(stringBuilder, new TimeSpan(child.Sum.Ticks / FrameCount));
stringBuilder.Append("/frame ");
stringBuilder.Append(((double)child.Count / FrameCount).ToString("0.###", CultureInfo.InvariantCulture));
stringBuilder.Append(" calls/frame (");
AppendTime(stringBuilder, child.Minimum);
stringBuilder.Append("/");
AppendTime(stringBuilder, child.Average);
stringBuilder.Append("/");
AppendTime(stringBuilder, child.Maximum);
stringBuilder.AppendLine(")");
Dump(stringBuilder, child, level + 1, maxLevelIncluded, totalTime);
}
if (numberOfChildren > 0)
{
for (int i = 0; i < level; i++)
stringBuilder.Append(" ");
stringBuilder.Append("Other ");
TimeSpan unaccountedTime = (node == Root ? ElapsedTime : node.Sum) - childrenSum;
stringBuilder.Append(((double)unaccountedTime.Ticks / totalTime.Ticks).ToString("0.##% ", CultureInfo.InvariantCulture));
AppendTime(stringBuilder, unaccountedTime);
stringBuilder.Append(" ");
AppendTime(stringBuilder, new TimeSpan(unaccountedTime.Ticks / FrameCount));
stringBuilder.Append("/frame ");
stringBuilder.AppendLine();
}
}
