Class: RTunnel::LeakTracker

Inherits:
Object
  • Object
show all
Defined in:
lib/rtunnel/leak.rb

Class Method Summary collapse

Class Method Details

.start ⇒ Object

TODO(not_me): update this to eventmachine if it’s still interesting



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# File 'lib/rtunnel/leak.rb', line 5

def self.start
  logged_thread do
    sleep 10
    begin
      objects = Hash.new 0

      while true
        last_objects = objects.dup
        ObjectSpace.each_object do |o|
          objects[o.class] += 1
        end

        objects.reject!{|k,v| ! last_objects.has_key? k }  unless last_objects.empty?

        new_objects = objects.dup
        objects.each do |(klass, count)|
          new_objects.delete klass  if count < last_objects[klass]  # has been GC'ed, "cant be leaking"
        end
        objects = new_objects

        PP.pp objects.sort_by{|(k,cnt)| cnt }.reverse[0..10], STDERR

        sleep 10
      end
    rescue Object
      STDERR.puts $!.inspect
      STDERR.puts $!.backtrace.join("\n")
    end
  end
end