41 lines
1.5 KiB
Scheme
41 lines
1.5 KiB
Scheme
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;;;; Copyright (C) 2001 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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;;;; the Free Software Foundation; either version 2, or (at your option)
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;;;; any later version.
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;;;;
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;;;; This program is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;;; GNU General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU General Public License
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;;;; along with this software; see the file COPYING. If not, write to
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;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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;;;; Boston, MA 02111-1307 USA
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;;;;
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(define-module (ice-9 time)
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:use-module (ice-9 format)
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:export (time))
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(define-macro (time form)
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(let* ((gc-start (gc-run-time))
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(tms-start (times))
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(result (eval form (interaction-environment)))
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(tms-end (times))
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(gc-end (gc-run-time)))
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(define (get proc start end)
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(/ (- (proc end) (proc start)) internal-time-units-per-second))
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(display "clock utime stime cutime cstime gctime\n")
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(format #t "~5,2F ~5,2F ~5,2F ~6,2F ~6,2F ~6,2F\n"
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(get tms:clock tms-start tms-end)
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(get tms:utime tms-start tms-end)
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(get tms:stime tms-start tms-end)
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(get tms:cutime tms-start tms-end)
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(get tms:cstime tms-start tms-end)
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(get id gc-start gc-end))
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result))
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