# File lib/new_relic/agent/threading/agent_thread.rb, line 51
        def self.scrub_backtrace(thread, profile_agent_code)
          begin
            bt = thread.backtrace
          rescue Exception => e
            ::NewRelic::Agent.logger.debug("Failed to backtrace #{thread.inspect}: #{e.class.name}: #{e.to_s}")
          end
          return nil unless bt
          bt.reject! { |t| t.include?('/newrelic_rpm-') } unless profile_agent_code
          bt
        end