gnet_stats_copy_rate_est — copy rate estimator statistics into statistics TLV
| int gnet_stats_copy_rate_est ( | struct gnet_dump * d, | 
| const struct gnet_stats_basic_packed * b, | |
| struct gnet_stats_rate_est64 * r ); | 
   Appends the rate estimator statistics to the top level TLV created by
   gnet_stats_start_copy.
   
Returns 0 on success or -1 with the statistic lock released if the room in the socket buffer was not sufficient.