anchor.diff:  sched_util_runner(A, B, Effort, false, PrivDir) ->
       sched_util_runner(A, B, Effort, 250, PrivDir);
   sched_util_runner(A, B, Effort, Senders, PrivDir) ->
  +    process_flag(trap_exit, true),
       Payload = payload(5),
       Time = 1000 * Effort,
       [A] = rpc:call(B, erlang, nodes, []),
  
positive.code:                                   fs_log(PrivDir,
                                           "sched_util_runner.msacc:ServerStats",
                                           ServerStats),
                                    Pid ! {self(), ServerStats}
                            end
                    end
            end),
  
negative.code:         [erlang:spawn_link(
             B, fun () -> throughput_server() end)
           || _ <- lists:seq(1, Senders)],
      Tag = make_ref(),
      ServerMsacc =
          erlang:spawn_link(
            B,
            fun() ->
                    receive
                        {start,Tag,Pid} ->
                            msacc:start(Time),
                            receive
                                {done,Tag,Pid} ->
                                    fs_log(PrivDir,
                                           "sched_util_runner.msacc:stats",
                                           ok),
  