class RubyProf::MethodInfo

def <=>(other)
  sort_delta = 0.0001
  if other.nil?
    -1
  elsif self.full_name == other.full_name
    0
  elsif self.total_time < other.total_time && (self.total_time - other.total_time).abs > sort_delta
    -1
  elsif self.total_time > other.total_time && (self.total_time - other.total_time).abs > sort_delta
    1
  elsif self.call_trees.min_depth < other.call_trees.min_depth
    1
  elsif self.call_trees.min_depth > other.call_trees.min_depth
    -1
  else
    self.full_name <=> other.full_name
  end
end