# File lib/new_relic/agent/samplers/memory_sampler.rb, line 132
          def get_memory
            proc_status = File.open(proc_status_file, "r") {|f| f.read_nonblock(4096).strip }
            if proc_status =~ /RSS:\s*(\d+) kB/i
              return $1.to_f / 1024.0
            end
            raise "Unable to find RSS in #{proc_status_file}"
          end