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5e38caf1 | 1 | ;;;; Copyright (C) 2001 Free Software Foundation, Inc. |
e7d82feb | 2 | ;;;; |
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3 | ;;;; This program is free software; you can redistribute it and/or modify |
4 | ;;;; it under the terms of the GNU General Public License as published by | |
5 | ;;;; the Free Software Foundation; either version 2, or (at your option) | |
6 | ;;;; any later version. | |
e7d82feb | 7 | ;;;; |
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8 | ;;;; This program is distributed in the hope that it will be useful, |
9 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | ;;;; GNU General Public License for more details. | |
e7d82feb | 12 | ;;;; |
5e38caf1 KN |
13 | ;;;; You should have received a copy of the GNU General Public License |
14 | ;;;; along with this software; see the file COPYING. If not, write to | |
15 | ;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
16 | ;;;; Boston, MA 02111-1307 USA | |
e7d82feb | 17 | ;;;; |
a482f2cc MV |
18 | ;;;; As a special exception, the Free Software Foundation gives permission |
19 | ;;;; for additional uses of the text contained in its release of GUILE. | |
20 | ;;;; | |
21 | ;;;; The exception is that, if you link the GUILE library with other files | |
22 | ;;;; to produce an executable, this does not by itself cause the | |
23 | ;;;; resulting executable to be covered by the GNU General Public License. | |
24 | ;;;; Your use of that executable is in no way restricted on account of | |
25 | ;;;; linking the GUILE library code into it. | |
26 | ;;;; | |
27 | ;;;; This exception does not however invalidate any other reasons why | |
28 | ;;;; the executable file might be covered by the GNU General Public License. | |
29 | ;;;; | |
30 | ;;;; This exception applies only to the code released by the | |
31 | ;;;; Free Software Foundation under the name GUILE. If you copy | |
32 | ;;;; code from other Free Software Foundation releases into a copy of | |
33 | ;;;; GUILE, as the General Public License permits, the exception does | |
34 | ;;;; not apply to the code that you add in this way. To avoid misleading | |
35 | ;;;; anyone as to the status of such modified files, you must delete | |
36 | ;;;; this exception notice from them. | |
37 | ;;;; | |
38 | ;;;; If you write modifications of your own for GUILE, it is your choice | |
39 | ;;;; whether to permit this exception to apply to your modifications. | |
40 | ;;;; If you do not wish that, delete this exception notice. | |
41 | ;;;; | |
5e38caf1 | 42 | \f |
e7d82feb TTN |
43 | ;;; Commentary: |
44 | ||
45 | ;; This module exports a single macro: `time'. | |
46 | ;; Usage: (time exp) | |
47 | ;; | |
48 | ;; Example: | |
49 | ;; guile> (time (sleep 3)) | |
50 | ;; clock utime stime cutime cstime gctime | |
51 | ;; 3.01 0.00 0.00 0.00 0.00 0.00 | |
52 | ;; 0 | |
53 | ||
54 | ;;; Code: | |
5e38caf1 KN |
55 | |
56 | (define-module (ice-9 time) | |
57 | :use-module (ice-9 format) | |
58 | :export (time)) | |
59 | ||
3b9e23a7 | 60 | (define (time-proc proc) |
5e38caf1 | 61 | (let* ((gc-start (gc-run-time)) |
3b9e23a7 KN |
62 | (tms-start (times)) |
63 | (result (proc)) | |
64 | (tms-end (times)) | |
65 | (gc-end (gc-run-time))) | |
5e38caf1 KN |
66 | (define (get proc start end) |
67 | (/ (- (proc end) (proc start)) internal-time-units-per-second)) | |
68 | (display "clock utime stime cutime cstime gctime\n") | |
69 | (format #t "~5,2F ~5,2F ~5,2F ~6,2F ~6,2F ~6,2F\n" | |
3b9e23a7 KN |
70 | (get tms:clock tms-start tms-end) |
71 | (get tms:utime tms-start tms-end) | |
72 | (get tms:stime tms-start tms-end) | |
73 | (get tms:cutime tms-start tms-end) | |
74 | (get tms:cstime tms-start tms-end) | |
262098e0 | 75 | (get identity gc-start gc-end)) |
5e38caf1 | 76 | result)) |
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77 | |
78 | (define-macro (time exp) | |
79 | `(,time-proc (lambda () ,exp))) | |
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80 | |
81 | ;;; time.scm ends here |