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38 lines
1.5 KiB
Scheme
38 lines
1.5 KiB
Scheme
;;; Guix Data Service -- Information about Guix over time
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;;; Copyright © 2020 Christopher Baines <mail@cbaines.net>
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;;;
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;;; This program is free software: you can redistribute it and/or
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;;; modify it under the terms of the GNU Affero General Public License
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;;; as published by the Free Software Foundation, either version 3 of
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;;; the License, or (at your option) 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 GNU
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;;; Affero General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU Affero General Public
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;;; License along with this program. If not, see
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;;; <http://www.gnu.org/licenses/>.
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(define-module (guix-data-service utils)
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#:export (call-with-time-logging
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with-time-logging
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prevent-inlining-for-tests))
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(define (call-with-time-logging action thunk)
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(simple-format #t "debug: Starting ~A\n" action)
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(let* ((start-time (current-time))
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(result (thunk))
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(time-taken (- (current-time) start-time)))
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(simple-format #t "debug: Finished ~A, took ~A seconds\n"
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action time-taken)
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result))
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(define-syntax-rule (with-time-logging action exp ...)
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"Log under NAME the time taken to evaluate EXP."
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(call-with-time-logging action (lambda () exp ...)))
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(define-syntax-rule (prevent-inlining-for-tests var)
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(set! var var))
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