message: Add log when producer less than 50ms from next whole second and
  therefore sleeping for a second.
diff: @@ -209,8 +209,10 @@ void producer_plugin_impl::schedule_production_loop() {
  // If we would wait less than 50ms, wait for the whole second.
  fc::time_point now = fc::time_point::now();
  int64_t time_to_next_second = 1000000 - (now.time_since_epoch().count() % 1000000);
  - if(time_to_next_second < 50000) // we must sleep for at least 50ms
  + if(time_to_next_second < 50000) { // we must sleep for at least 50ms
  + wlog("Less than 50ms to next second, time_to_next_second ${s}ms", ("s", time_to_next_second/1000));
  time_to_next_second += 1000000;
  + }
  _timer.expires_from_now(boost::posix_time::microseconds(time_to_next_second));
  _timer.async_wait(boost::bind(&producer_plugin_impl::block_production_loop, this));
  