# File lib/new_relic/agent/threading/backtrace_service.rb, line 210
        def buffer_backtrace_for_thread(thread, timestamp, backtrace, bucket)
          if should_buffer?(bucket)
            @buffer[thread] ||= []
            if @buffer[thread].length < MAX_BUFFER_LENGTH
              @buffer[thread] << [timestamp, backtrace]
            else
              NewRelic::Agent.increment_metric('Supportability/XraySessions/DroppedBacktraces')
            end
          end
        end