/**
* When stopwatch is stopped, the the split is added to current tree node and this tree node is
* popped from call stack. As a result, parent tree node becomes current tree node.
*
* @return Current (child) tree node
*/
public CallTreeNode onStopwatchStop(Split split) {
CallTreeNode currentNode = callStack.removeLast();
currentNode.addSplit(split);
if (callStack.isEmpty()) {
onRootStopwatchStop(currentNode, split);
}
return currentNode;
}
