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17e90c5e KN |
1 | ;;; Guile VM profiler |
2 | ||
3 | ;; Copyright (C) 2001 Free Software Foundation, Inc. | |
4 | ||
5 | ;; This program is free software; you can redistribute it and/or modify | |
6 | ;; it under the terms of the GNU General Public License as published by | |
7 | ;; the Free Software Foundation; either version 2, or (at your option) | |
8 | ;; any later version. | |
9 | ;; | |
10 | ;; This program is distributed in the hope that it will be useful, | |
11 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | ;; GNU General Public License for more details. | |
14 | ;; | |
15 | ;; You should have received a copy of the GNU General Public License | |
16 | ;; along with this program; see the file COPYING. If not, write to | |
17 | ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | ;; Boston, MA 02111-1307, USA. | |
19 | ||
20 | ;;; Code: | |
21 | ||
22 | (define-module (system vm profile) | |
23 | :use-module (system vm core) | |
24 | :use-module (ice-9 format) | |
25 | :export (vm-profile)) | |
26 | ||
8f5cfc81 | 27 | (define (vm-profile vm objcode . opts) |
17e90c5e KN |
28 | (let ((flag (vm-option vm 'debug))) |
29 | (dynamic-wind | |
30 | (lambda () | |
31 | (set-vm-option! vm 'debug #t) | |
32 | (set-vm-option! vm 'profile-data '()) | |
33 | (add-hook! (vm-next-hook vm) profile-next) | |
34 | (add-hook! (vm-enter-hook vm) profile-enter) | |
35 | (add-hook! (vm-exit-hook vm) profile-exit)) | |
36 | (lambda () | |
ac99cb0c | 37 | (let ((val (vm-load vm objcode))) |
17e90c5e KN |
38 | (display-result vm) |
39 | val)) | |
40 | (lambda () | |
41 | (set-vm-option! vm 'debug flag) | |
42 | (remove-hook! (vm-next-hook vm) profile-next) | |
43 | (remove-hook! (vm-enter-hook vm) profile-enter) | |
44 | (remove-hook! (vm-exit-hook vm) profile-exit))))) | |
45 | ||
46 | (define (profile-next vm) | |
47 | (set-vm-option! vm 'profile-data | |
48 | (cons (vm-fetch-code vm) (vm-option vm 'profile-data)))) | |
49 | ||
50 | (define (profile-enter vm) | |
51 | #f) | |
52 | ||
53 | (define (profile-exit vm) | |
54 | #f) | |
55 | ||
56 | (define (display-result vm . opts) | |
57 | (do ((data (vm-option vm 'profile-data) (cdr data)) | |
58 | (summary '() (let ((inst (caar data))) | |
59 | (assq-set! summary inst | |
60 | (1+ (or (assq-ref summary inst) 0)))))) | |
61 | ((null? data) | |
62 | (display "Count Instruction\n") | |
63 | (display "----- -----------\n") | |
64 | (for-each (lambda (entry) | |
65 | (format #t "~5@A ~A\n" (cdr entry) (car entry))) | |
66 | (sort summary (lambda (e1 e2) (> (cdr e1) (cdr e2)))))))) |