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f537ebc4 | 1 | (* |
17ba0788 C |
2 | * Copyright 2012, INRIA |
3 | * Julia Lawall, Gilles Muller | |
4 | * Copyright 2010-2011, INRIA, University of Copenhagen | |
f537ebc4 C |
5 | * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix |
6 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen | |
7 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix | |
8 | * This file is part of Coccinelle. | |
9 | * | |
10 | * Coccinelle is free software: you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation, according to version 2 of the License. | |
13 | * | |
14 | * Coccinelle is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
21 | * | |
22 | * The authors reserve the right to distribute this or future versions of | |
23 | * Coccinelle under other licenses. | |
24 | *) | |
25 | ||
26 | ||
34e49164 C |
27 | (* for each marked thing, how often does it occur and in what files and |
28 | directories *) | |
29 | ||
30 | let collect i = | |
31 | let info = ref [] in | |
32 | let rec loop _ = | |
33 | let l = input_line i in | |
34 | (if String.length l > 2 && String.get l 0 = '+' | |
35 | then info := (String.sub l 1 (String.length l - 1))::!info); | |
36 | loop() in | |
37 | try loop() | |
38 | with End_of_file -> List.rev !info | |
39 | ||
40 | let split l = | |
41 | let rec loop acc = function | |
42 | [] -> acc | |
43 | | x::xs -> | |
44 | if String.get x 0 = '+' (* the start of a new file *) | |
45 | then | |
46 | (match Str.split (Str.regexp " ") x with | |
47 | _::x::_ -> loop ((x,[])::acc) xs | |
48 | | _ -> failwith ("no file: "^x)) | |
49 | else | |
50 | let acc = | |
51 | match acc with | |
52 | (file,instances)::rest -> (file,x::instances)::rest | |
53 | | _ -> failwith "not possible" in | |
54 | loop acc xs in | |
55 | let res = List.rev (loop [] l) in | |
56 | List.map (function (x,l) -> (x,List.rev l)) res | |
57 | ||
58 | let detect_alloc_free str l = | |
59 | let try_add a f l = | |
60 | let (same,diff) = List.partition (function (a1,f1) -> a = a1) l in | |
61 | match same with | |
62 | [(a1,f1)] -> if List.mem f f1 then l else (a1,f::f1) :: diff | |
63 | | _ -> (a,[f])::l in | |
64 | let rec loop acc = function | |
65 | [] -> acc | |
66 | | x::xs -> | |
67 | match Str.split (Str.regexp (str^"\", ")) x with | |
68 | _::matches -> | |
69 | let acc = | |
70 | List.fold_left | |
71 | (function acc -> | |
72 | function rest -> | |
73 | (match Str.split (Str.regexp "[, )]+") rest with | |
74 | alloc::free::_ -> try_add alloc free acc | |
75 | | _ -> acc)) | |
76 | acc matches in | |
77 | loop acc xs | |
78 | | _ -> loop acc xs in | |
79 | List.sort compare | |
80 | (List.map (function (a,f) -> (a,List.sort compare f)) (loop [] l)) | |
81 | ||
82 | let rec iterate str = function | |
83 | [] -> [] | |
84 | | (x,l)::xs -> | |
85 | List.fold_left | |
86 | (function rest -> | |
87 | function info -> | |
88 | let (same,diff) = | |
89 | List.partition (function (x1,l1) -> l1 = info) rest in | |
90 | match same with | |
91 | [(files,info)] -> (x::files,info)::diff | |
92 | | _ -> ([x],info)::diff) | |
93 | (iterate str xs) (detect_alloc_free str l) | |
94 | ||
95 | (* ------------------------------------------------------------------------ *) | |
96 | ||
97 | let get_dir d = Filename.dirname d | |
98 | ||
99 | let get_subsystem d = | |
100 | let pieces = Str.split (Str.regexp "/") d in | |
101 | let front = List.hd(List.tl pieces) in | |
102 | match front with | |
103 | "arch" | "drivers" -> front ^ "/" ^ (List.hd(List.tl(List.tl pieces))) | |
104 | | _ -> front | |
105 | ||
106 | let rec remdup = function | |
107 | [] -> [] | |
108 | | x::xs -> if List.mem x xs then remdup xs else x :: remdup xs | |
109 | ||
110 | let inc tbl key = | |
111 | let cell = | |
112 | (try let cell = Hashtbl.find tbl key in cell | |
113 | with Not_found -> let c = ref 0 in Hashtbl.add tbl key c; c) in | |
114 | cell := !cell + 1 | |
115 | ||
116 | let files_per_protocol = Hashtbl.create(10) | |
117 | let dirs_per_protocol = Hashtbl.create(10) | |
118 | let subsystems_per_protocol = Hashtbl.create(10) | |
119 | let protocols_per_subsystem = Hashtbl.create(10) | |
120 | ||
121 | let collect_counts l = | |
122 | List.iter | |
123 | (function (files,(a,fs)) -> | |
124 | let how_many_files = List.length files in | |
125 | let how_many_dirs = remdup (List.map get_dir files) in | |
126 | let how_many_subsystems = remdup (List.map get_subsystem files) in | |
127 | let ct = | |
128 | if how_many_files < 10 | |
129 | then how_many_files | |
130 | else ((how_many_files / 10) * 10) in | |
131 | inc files_per_protocol ct; | |
132 | inc dirs_per_protocol (List.length how_many_dirs); | |
133 | inc subsystems_per_protocol (List.length how_many_subsystems); | |
134 | List.iter (inc protocols_per_subsystem) how_many_subsystems) | |
135 | l | |
136 | ||
137 | let print_hashtable f tbl = | |
138 | let l = | |
139 | Hashtbl.fold | |
140 | (function key -> function vl -> function rest -> | |
141 | (key,!vl) :: rest) | |
142 | tbl [] in | |
143 | let l = List.sort compare l in | |
144 | List.iter | |
145 | (function (key,vl) -> | |
146 | Printf.printf " "; f key; Printf.printf ": %d\n" vl) | |
147 | l | |
148 | ||
149 | let print_range_int_hashtable range = | |
150 | print_hashtable | |
151 | (function x -> | |
152 | if x < range | |
153 | then Printf.printf "%d" x | |
154 | else Printf.printf "%d-%d" x (x + range - 1)) | |
155 | let print_int_hashtable = | |
156 | print_hashtable (function x -> Printf.printf "%d" x) | |
157 | let print_string_hashtable = | |
158 | print_hashtable (function x -> Printf.printf "%s" x) | |
159 | ||
160 | let histify _ = | |
161 | Printf.printf "files per protocol:\n"; | |
162 | print_range_int_hashtable 10 files_per_protocol; | |
163 | Printf.printf "dirs per protocol:\n"; | |
164 | print_int_hashtable dirs_per_protocol; | |
165 | Printf.printf "subsystems per protocol:\n"; | |
166 | print_int_hashtable subsystems_per_protocol; | |
167 | Printf.printf "protocols per subsystem:\n"; | |
168 | print_string_hashtable protocols_per_subsystem | |
169 | ||
170 | (* ------------------------------------------------------------------------ *) | |
171 | ||
172 | let dir = ref "p2" | |
173 | let file = ref "" | |
174 | let str = ref "detected allocator" | |
175 | ||
176 | let options = [] | |
177 | let usage = "" | |
178 | ||
179 | let _ = | |
180 | Arg.parse (Arg.align options) (fun x -> file := x) usage; | |
181 | let i = open_in !file in | |
182 | let l = collect i in | |
183 | close_in i; | |
184 | let l = split l in | |
185 | let l = iterate !str l in | |
186 | collect_counts l; | |
187 | histify() | |
188 | ||
189 |