class Stackprofiler::Filter::BuildTree

Public Class Methods

new(options={}) click to toggle source
# File lib/stackprofiler/filters/build_tree.rb, line 4
def initialize(options={})
  @options = options
end

Public Instance Methods

filter(run, run2) click to toggle source
# File lib/stackprofiler/filters/build_tree.rb, line 8
def filter run, run2
  stacks = run.stacks

  root = StandardWarning.disable { Tree::TreeNode.new '(Root)', {addrs: [], open: true} }

  stacks.each do |stack|
    prev = root
    iterate stack do |addr|
      # nobody likes hacks, but this halved the page rendering time
      node = prev.instance_variable_get(:@children_hash)[addr]
      if node.nil?
        hash = {count: 0, addrs: [addr]}
        node = StandardWarning.disable { Tree::TreeNode.new(addr, hash) }
        prev << node
      end
      node.content[:count] +=1
      prev = node
    end
  end

  if inverted?
    root.children.each {|n| n.content[:open] = false }
  end

  root
end
inverted?() click to toggle source
# File lib/stackprofiler/filters/build_tree.rb, line 35
def inverted?
  @options[:invert]
end
iterate(stack, &blk) click to toggle source
# File lib/stackprofiler/filters/build_tree.rb, line 39
def iterate stack, &blk
  if inverted?
    stack.reverse_each &blk
  else
    stack.each &blk
  end
end