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From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <87bkejc7go.fsf@inria.fr> <87fs3tobju.fsf@gnu.org> <87tts9uj6x.fsf@jpoiret.xyz> <87msy0ln4m.fsf@gnu.org> <87pm2vvibo.fsf@jpoiret.xyz> <87pm2s385m.fsf@gnu.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Septidi 27 Fructidor an 231 de la =?UTF-8?Q?R=C3=A9volution, ?= jour de la Verge-d'or X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Wed, 13 Sep 2023 20:10:38 +0200 In-Reply-To: (wolf@wolfsden.cz's message of "Mon, 11 Sep 2023 16:42:59 +0200") Message-ID: <874jjylza9.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Scanner: mx1.migadu.com X-Migadu-Spam-Score: -2.11 X-Spam-Score: -2.11 X-Migadu-Queue-Id: 9898B622E1 X-TUID: NR2/mk73oM/1 Hi, wolf skribis: > (define (time proc) > (let* ((start (get-internal-run-time)) > (_ (proc)) > (end (get-internal-run-time))) > (exact->inexact (* 1000 (/ (- end start) internal-time-units-per-seco= nd))))) > > (format #t "Guix: ~ams\nGit: ~ams\n" > (time (=CE=BB () (commit-relation c1 c2))) > (time (=CE=BB () (shelling-commit-relation c1 c2)))) =E2=80=98get-internal-run-time=E2=80=99 returns =E2=80=9Cunits of processor= time=E2=80=9D used by the current process (info "(guile) Time"). When shelling out, the process calls waitpid(2) and does nothing, so naturally its processor time is close to zero. =E2=80=98get-internal-real-time=E2=80=99 should give something closer to el= apsed time. Ludo=E2=80=99.