class TingYun::Agent::TracedMethodStack

Public Class Methods

new() click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 17
def initialize
  @stack = []
end

Public Instance Methods

clear() click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 70
def clear
  @stack.clear
end
empty?() click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 74
def empty?
  @stack.empty?
end
fetch_matching_frame(expected_frame) click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 36
def fetch_matching_frame(expected_frame)
  while frame = @stack.pop
    if frame == expected_frame
      return frame
    else
      TingYun::Agent.logger.info("Unexpected frame in traced method stack: #{frame.inspect} expected to be #{expected_frame.inspect}")
      TingYun::Agent.logger.debug do
        ["Backtrace for unexpected frame: ", caller.join("\n")]
      end
    end
  end

  raise "Frame not found in blame stack: #{expected_frame.inspect}"
end
note_children_time(frame, time, deduct_call_time_from_parent) click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 51
def note_children_time(frame, time, deduct_call_time_from_parent)
  if !@stack.empty?
    if deduct_call_time_from_parent
      @stack.last.children_time += (time - frame.start_time)*1000
    else
      @stack.last.children_time += frame.children_time
    end
  end
end
pop_frame(state, expected_frame, name, time, deduct_call_time_from_parent=true, klass_name=nil, error = nil) click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 28
def pop_frame(state, expected_frame, name, time, deduct_call_time_from_parent=true, klass_name=nil, error = nil)
  frame = fetch_matching_frame(expected_frame)
  note_children_time(frame, time, deduct_call_time_from_parent)
  transaction_sampler.notice_pop_frame(state, name, time, klass_name, error) if sampler_enabled?
  frame.name = name
  frame
end
push_frame(state, tag, time = Time.now.to_f) click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 21
def push_frame(state, tag, time = Time.now.to_f)
  transaction_sampler.notice_push_frame(state, time) if sampler_enabled?
  frame = TracedMethodFrame.new(tag, time)
  @stack.push frame
  frame
end
sampler_enabled?() click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 62
def sampler_enabled?
  TingYun::Agent.config[:'action_tracer.enabled']
end
transaction_sampler() click to toggle source
# File lib/ting_yun/agent/transaction/traced_method_stack.rb, line 66
def transaction_sampler
  ::TingYun::Agent::Collector::TransactionSampler
end