/usr/share/Yap/pl/profile.yap is in yap 6.2.2-6+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | /*************************************************************************
* *
* YAP Prolog *
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: profile.yap *
* Last rev: 8/2/88 *
* mods: *
* comments: Some profiling predicates available in yap *
* *
*************************************************************************/
% hook predicate, taken from SWI-Prolog, for converting possibly explicitly-
% qualified callable terms into an atom that can be used as a label for
% describing a predicate; used e.g. on the tick profiler defined below
:- multifile(user:prolog_predicate_name/2).
:- meta_predicate profile_data(:,+,-).
profile_data(M:D, Parm, Data) :-!,
(
var(M) ->
'$do_error'(instantiation_error,profile_data(M:D, Parm, Data))
;
'$profile_data'(D, Parm, Data, M)
).
profile_data(P, Parm, Data) :-
'$current_module'(M),
'$profile_data'(P, Parm, Data, M).
'$profile_data'(P, Parm, Data,M) :- var(P), !,
'$profile_data_for_var'(P, Parm, Data,M).
'$profile_data'(M:P, Parm, Data, _) :- !,
'$profile_data'(P, Parm, Data, M).
'$profile_data'(P, Parm, Data, M) :-
'$profile_data2'(P, Parm, Data, M).
'$profile_data2'(Na/Ar,Parm,Data, M) :-
functor(P, Na, Ar),
'$profile_info'(M, P, Stats),
'$profile_say'(Stats, Parm, Data).
'$profile_data_for_var'(Name/Arity, Parm, Data, M) :-
'$current_predicate'(M,Name,Arity),
functor(P,Name,Arity),
\+ '$hidden'(Name), % don't show hidden predicates.
'$profile_info'(M, P, Stats),
'$profile_say'(Stats, Parm, Data).
'$profile_say'('$profile'(Entries, _, _), calls, Entries).
'$profile_say'('$profile'(_, _, Backtracks), retries, Backtracks).
profile_reset :-
current_module(M),
'$current_predicate'(M,Na,Ar),
functor(P,Na,Ar),
'$profile_reset'(M, P),
fail.
profile_reset.
showprofres :-
showprofres(-1).
showprofres(A) :-
('$proftype'(offline) -> '$offline_showprofres' ; true),
('$profison' -> profoff, Stop = true ; Stop = false),
'$profglobs'(Tot,GCs,HGrows,SGrows,Mallocs,ProfOns),
% root node has no useful info.
'$get_all_profinfo'(0,[],ProfInfo0,0,_TotCode),
msort(ProfInfo0,ProfInfo),
'$get_ppreds'(ProfInfo,Preds0),
'$add_extras_prof'(GCs, HGrows, SGrows, Mallocs, Preds0, PredsI),
keysort(PredsI,Preds),
'$sum_alls'(Preds,0,Tot0),
Accounted is -Tot0,
(ProfOns == 0 ->
format(user_error,'~d ticks, ~d accounted for~n',[Tot,Accounted])
;
format(user_error,'~d ticks, ~d accounted for (~d overhead)~n',[Tot,Accounted,ProfOns])
),
A1 is A+1,
'$display_preds'(Preds, Tot, 0, 1, A1),
(Stop = true -> profon ; true).
/*
'$check_duplicates'([]).
'$check_duplicates'([A,A|ProfInfo]) :- !,
write(A),nl,
'$check_duplicates'(ProfInfo).
'$check_duplicates'([_|ProfInfo]) :-
'$check_duplicates'(ProfInfo).
*/
'$get_all_profinfo'([],L,L,Tot,Tot) :- !.
'$get_all_profinfo'(Node,L0,Lf,Tot0,Totf) :-
'$profnode'(Node,Clause,PredId,Count,Left,Right),
Tot1 is Tot0+Count,
'$get_all_profinfo'(Left,L0,Li,Tot1,Tot2),
'$get_all_profinfo'(Right,[gprof(PredId,Clause,Count)|Li],Lf,Tot2,Totf).
'$get_ppreds'([],[]).
'$get_ppreds'([gprof(0,_,0)|Cls],Ps) :- !,
'$get_ppreds'(Cls,Ps).
'$get_ppreds'([gprof(0,_,Count)|_],_) :- !,
'$do_error'(system_error,showprofres(gprof(0,_,Count))).
'$get_ppreds'([gprof(PProfInfo,_,Count0)|Cls],[Sum-(Mod:Name/Arity)|Ps]) :-
'$get_more_ppreds'(Cls,PProfInfo,Count0,NCls,Sum),
'$get_pred_pinfo'(PProfInfo,Mod,Name,Arity),
'$get_ppreds'(NCls,Ps).
'$get_more_ppreds'([gprof(PProfInfo,_,Count)|Cls],PProfInfo,Count0,NCls,Sum)
:- !,
Count1 is Count+Count0,
'$get_more_ppreds'(Cls,PProfInfo,Count1,NCls,Sum).
'$get_more_ppreds'(Cls, _, Sum, Cls, NSum) :- NSum is -Sum.
'$display_preds'(_, _, _, N, N) :- !.
'$display_preds'([], _, _, _, _).
'$display_preds'([NSum-P|Ps], Tot, SoFar, I, N) :-
Sum is -NSum,
Perc is (100*Sum)/Tot,
Next is SoFar+Sum,
NextP is (100*Next)/Tot,
( ( P = M:F/A ->
G = M:H
; P = F/A,
G = H
),
functor(H, F, A),
user:prolog_predicate_name(G, PL) ->
true
; PL = P
),
format(user_error,'~|~t~d.~7+ ~|~w:~t~d~50+ (~|~t~2f~6+%) |~|~t~2f~6+%|~n',[I,PL,Sum,Perc,NextP]),
I1 is I+1,
'$display_preds'(Ps,Tot,Next,I1, N).
'$sum_alls'([],Tot,Tot).
'$sum_alls'([C-_|Preds],Tot0,Tot) :-
TotI is C+Tot0,
'$sum_alls'(Preds,TotI,Tot).
'$add_extras_prof'(GCs, HGrows, SGrows, Mallocs, Preds0, PredsI) :-
'$add_extra_prof'(GCs, 'Garbage Collections',Preds0,Preds1),
'$add_extra_prof'(HGrows, 'Code Expansion',Preds1,Preds2),
'$add_extra_prof'(SGrows, 'Stack Expansion',Preds2,Preds3),
'$add_extra_prof'(Mallocs, 'Heap Allocation',Preds3,PredsI).
'$add_extra_prof'(0, _,Preds, Preds) :- !.
'$add_extra_prof'(Ticks, Name, Preds, [NTicks-Name|Preds]) :-
NTicks is -Ticks.
|