Class: Stackprofiler::Filter::BuildTree

Inherits:
Object
  • Object
show all
Defined in:
lib/stackprofiler/filters/build_tree.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ BuildTree

Returns a new instance of BuildTree.



4
5
6
 
# File 'lib/stackprofiler/filters/build_tree.rb', line 4

def initialize(options={})
  @options = options
end

Instance Method Details

#filter(run, run2) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# 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? ⇒ Boolean

Returns:

  • (Boolean) 


35
36
37
 
# File 'lib/stackprofiler/filters/build_tree.rb', line 35

def inverted?
  @options[:invert]
end

#iterate(stack, &blk) ⇒ Object 



39
40
41
42
43
44
45
 
# 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