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[205.233.125.176]) by smtp.gmail.com with ESMTPSA id v3-20020a05622a188300b002f936bae288sm3656142qtc.87.2022.07.15.12.53.50 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Jul 2022 12:53:51 -0700 (PDT) From: Maxim Cournoyer To: guix-devel Subject: Enabling tracing on a phase to debug? Date: Fri, 15 Jul 2022 15:53:50 -0400 Message-ID: <87a69aup81.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=2607:f8b0:4864:20::829; envelope-from=maxim.cournoyer@gmail.com; helo=mail-qt1-x829.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1657914922; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=Zzw5xZ//GuwXjoJhA71hb4wNAVfKNm/PvMy4eDHjdOs=; b=Q7RkKMBwKXletvXxpKeF6LMUMl7TF79LhW2rxBkt3DL8G7sxKqLKHEQmP2FTU8bxpfsx50 GyCN80esvpgh7Of5tUB7giBS+lMrK6tFBzN5Gmvg0biUgjykSRcMgCf/K1qrG5gT9aJz0z 2xZ6ICEiv7jwBIETF5GXj0F1pkgH8HbRf5/9pLLeQs5yiLixZEGBGzayy9V2gXCjFeVsPH qxebERy9VthbWYlgu3I1/SE8GUEmIgyeDx/14izrKiEfn8wXefrxSiT+wa7SsW1xtQ7ph5 Ta93LFUFpW3SoT4oxJdtQu5qJ+OlgrmLdh0JDAwPdm2WZRK/S7DG1taYzUYiPw== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1657914922; a=rsa-sha256; cv=none; b=FHGCSAE4crFMjt9bc9x5eAEg+x4C8EOCgVRdIikuRjS4U98HESE2oijEf4H7o0Zf7VKsqD y8/p+827OQtav8QFUwDEzFhv3sy1IzrcuvPfHs0z8RPRRcBirEdzYo/m/z6MZc43iToCBB YaodbB1IpyXs6cdtdv5B0QkcJYmWn4c5Nsdh1fLVhtHgY6LMMpiRQTiRLZFE9NNEVLH306 rj5VQGnJPO/7az9oo4ZCKgAlypbsBZ8hgwh9vv+421eCpDoCNPu8EMH5CDZmSbKWYhYlIK yMfL5pPg/TgNgiUXj0xq6qtvekeYPuJNZ9aeJsvb0+T+HanJ86hmBwI9/oyvLg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=ZjLS9FxM; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -8.44 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=ZjLS9FxM; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 0EB9432797 X-Spam-Score: -8.44 X-Migadu-Scanner: scn0.migadu.com X-TUID: LVtwAe4Ey3G5 Hello Guix, I was toying with the idea to programatically enable tracing the execution of a single build phase to aid with debugging, and came up with this with the help of robin on #guix (thanks!) --8<---------------cut here---------------start------------->8--- @@ -4349,7 +4349,19 @@ (define-public vala (substitute* "valadoc/tests/libvaladoc\ /tests-extra-environment.sh" (("export PKG_CONFIG_PATH=" m) - (string-append m "$PKG_CONFIG_PATH:")))))))) + (string-append m "$PKG_CONFIG_PATH:"))))) + + (replace 'glib-or-gtk-wrap + (lambda args + (use-modules (system vm trace) + (system vm vm)) + (call-with-vm + (lambda () + (set-vm-engine! 'debug) + (call-with-trace + (lambda _ + (apply (assoc-ref %standard-phases 'glib-or-gtk-wrap) + args)))))))))) (native-inputs `(("bison" ,bison) ("dbus" ,dbus) ; for dbus tests --8<---------------cut here---------------end--------------->8--- Unfortunately it doesn't cause any trace to be output. Is there something missing to the above incantation, perhaps? Thanks, Maxim