Snipet used by Avid in RubyTapas #327

tracepoint.rb

require "rake"

include FileUtils

indent = 0
trace = TracePoint.new(:call, :c_call, :return, :c_return) do |tp|
  if [:return, :c_return].include?(tp.event) && indent.nonzero?
    indent -= 1
  else
    puts "#{' ' * indent}#{tp.inspect}"
    indent += 1
  end
end

trace.enable

ruby "-v"

trace.disable

tracepoint_stck.rb

max_stack_frames = 100
TooManyStackFrames = Class.new(StandardError)

TracePoint.new(:call) do |tp|
  if caller.size >= max_stack_frames
    raise TooManyStackFrames, "Stack
has exceeded #{max_stack_frames}
frames"
  end
end.enable

foo