Class: OneApm::Agent::Threading::BacktraceRoot

Inherits:
BacktraceBase show all
Defined in:
lib/one_apm/support/backtrace/backtrace_node.rb

Instance Attribute Summary collapse

Attributes inherited from BacktraceBase

#children

Instance Method Summary collapse

Methods inherited from BacktraceBase

#add_child, #add_child_unless_present, #find_child

Constructor Details

#initialize ⇒ BacktraceRoot

Returns a new instance of BacktraceRoot.



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# File 'lib/one_apm/support/backtrace/backtrace_node.rb', line 36

def initialize
  super
  @flattened = []
end

Instance Attribute Details

#flattened ⇒ Object (readonly)

Returns the value of attribute flattened.



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# File 'lib/one_apm/support/backtrace/backtrace_node.rb', line 34

def flattened
  @flattened
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/one_apm/support/backtrace/backtrace_node.rb', line 41

def ==(other)
  true # all roots are at the same depth and have no raw_line
end

#aggregate(backtrace) ⇒ Object 



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# File 'lib/one_apm/support/backtrace/backtrace_node.rb', line 49

def aggregate(backtrace)
  current = self

  depth = 0
  backtrace.reverse_each do |frame|
    break if depth >= OA_MAX_THREAD_PROFILE_DEPTH

    existing_node = current.find_child(frame)
    if existing_node
      node = existing_node
    else
      node = Threading::BacktraceNode.new(frame)
      current.add_child(node)
      @flattened << node
    end

    node.runnable_count += 1
    current = node
    depth += 1
  end
end

#as_array ⇒ Object 



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# File 'lib/one_apm/support/backtrace/backtrace_node.rb', line 45

def as_array
  @children.map { |c| c.as_array }.compact
end

#dump_string ⇒ Object 



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# File 'lib/one_apm/support/backtrace/backtrace_node.rb', line 71

def dump_string
  result = "#<BacktraceRoot:#{object_id}>"
  child_results = @children.map { |c| c.dump_string(2) }.join("\n")
  result << "\n" unless child_results.empty?
  result << child_results
end