5> eprof:total_analyse().
FUNCTION                                       CALLS      TIME 
mochijson2:tokenize_string_fast/2              440858     14 % 
erlang:setelement/3                            244500     7 % 
couch_key_tree:map_simple/3                    81222      7 % 
mochijson2:tokenize/2                          95704      7 % 
couch_key_tree:get_all_leafs_simple/3          79808      7 % 
mochijson2:decode_array/3                      44022      6 % 
mochijson2:decode_object/3                     25520      5 % 
mochijson2:tokenize_string/2                   35409      4 % 
mochijson2:json_bin_is_safe/1                  108836     3 % 
erlang:port_command/2                          5701       2 % 
mochijson2:decode1/2                           13081      1 % 
erlang:'++'/2                                  43644      1 % 
couch_key_tree:'-map/2-fun-0-'/4               40406      1 % 
couch_db_updater:'-rev_tree/1-fun-0-'/2        40302      1 % 
lists:splitwith/3                              15640      1 % 
lists:reverse/1                                20213      1 % 
couch_btree:less/3                             29892      1 % 
couch_view_group:'-init_group/4-fun-1-'/2      29475      1 % 
couch_util:to_hex/1                            5777       1 % 
couch_btree:'-query_modify/4-fun-1-'/3         20359      1 % 
proplists:lookup/2                             20800      1 % 
mochijson2:decode_array/2                      8294       1 % 
gen:do_call/4                                  5354       1 % 
lists:map/2                                    5325       1 % 
lists:reverse/2                                18411      1 % 
lists:foldl/3                                  10377      1 % 
couch_stats_aggregator:'-handle_call/3-fun-3-  3240       1 %