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Add a new utils module, containing a with-time-logging syntax rule
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@ -70,6 +70,7 @@ SOURCES = \
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guix-data-service/comparison.scm \
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guix-data-service/config.scm \
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guix-data-service/database.scm \
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guix-data-service/utils.scm \
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guix-data-service/data-deletion.scm \
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guix-data-service/jobs.scm \
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guix-data-service/jobs/load-new-guix-revision.scm \
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33
guix-data-service/utils.scm
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33
guix-data-service/utils.scm
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@ -0,0 +1,33 @@
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;;; 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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(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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