debug stuck ruby

gistfile1.rb

require 'socket'
require 'timeout'

while true
  Dir.glob('/home/ubuntu/applications/xx/shared/sockets/*.sock').each do |socket|
    instance = $1 if socket =~ /([^\/]+)\.sock$/
    
    s = nil
    begin
      Timeout.timeout(0.5) do
        begin
          s = UNIXSocket.new(socket)
          s.send("GET /system/status HTTP/1.1\r\n\r\n", 0)
          s.recv(1024*10)
          s.close
        rescue
          s.close if s
          raise
        end
      end
    rescue
      p $!
      pid = open("/home/ubuntu/applications/xx/shared/pids/#{instance}.pid").read
      p `echo "continue" | rvmsudo nrdebug #{pid}`
      p `sudo strace -ttT -p#{pid} -o /tmp/strace_#{instance}_#{Time.now.to_i}.txt & sleep 30; kill $!`
    end
    
  end
  sleep 1
end