From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.9 required=3.0 tests=AWL,BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id E44F51F453 for ; Sun, 27 Jan 2019 23:14:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726403AbfA0XOt (ORCPT ); Sun, 27 Jan 2019 18:14:49 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:45932 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726361AbfA0XOt (ORCPT ); Sun, 27 Jan 2019 18:14:49 -0500 Received: by mail-wr1-f66.google.com with SMTP id t6so16020526wrr.12 for ; Sun, 27 Jan 2019 15:14:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=VeTTQEx/wHfUTlXWH96Ux7XnONsF0LNQmfkuUu97PU8=; b=S6wyakFPQSqpoB1oQU7UAf7WSX6b5PipYa1lCkSfZ6nVUDKxK4DmgkR8eIxUI8sdX8 HpsjNSXcSCDmqsmb8KHgBsMHzoyIDKqX10oU8TKZVEgxF30vp9n+dbSUMSw2dueoGySG SXrdafrZdrcfpPYXsXSeRWGkol+yebhsT1SI8v/qWsLbYgbnYGoOR3fWnqSFPt+QWtzH //rV6bHwo8OSQEANRPZGKhzi0teYfVryp7xA1nKiDwVsIEufEwuW2CcnC7ALHOpbG4JV XFjV+GOqTpcf2iWlgQA59Qn4thVpN74lQeovl7PU7s0Rdn2/euRiB0p41puSGTmYrA8A ARKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=VeTTQEx/wHfUTlXWH96Ux7XnONsF0LNQmfkuUu97PU8=; b=ZoN2zIOzHgCFtQ2IKT8hfnglgsEAAfQUsM67/fXPs8wri0LBlHdKCFCUtzcej9FrmF 8SbpsV9/zSyqxtHWN5ntziyb4vDTHGGbBrLfXjOgzvK/Wb861RFu1XS7btGbEDmVABKB yo86xT2lWepZYEabTrqgBuCVLtH96OrhtPHTgdXIAFAMwpxzB3OwTrnXcRN5OQnB6Kes J/2LY11vml1oZrPD12Zzr9QMvpck61MO7ZMVF6dkUkaK8/Y35twhnKz5CsPKy3eOxMIT 1G0N9pGsg0ct+bHVi2t8ByOvYPoFcCuTQbnYNzi7fH6K4mWKjLd2Ykc68I6TlIc5A/df Ck7Q== X-Gm-Message-State: AJcUukesQ3MEKIgVMuQG4YLlpL6a1bXHP6Ux1tUWixcVcvtsf+l3dsm3 tbIdzC1tNo9Q8xoSiz6y7s4= X-Google-Smtp-Source: ALg8bN7O2N44A7qgXHKBExl8yAcr75dG8oNhjfEkQfeikiijByWEu9pr7SwqnhmFixqvSybayzrZtw== X-Received: by 2002:adf:9083:: with SMTP id i3mr19196518wri.124.1548630887475; Sun, 27 Jan 2019 15:14:47 -0800 (PST) Received: from localhost (112.68.155.104.bc.googleusercontent.com. [104.155.68.112]) by smtp.gmail.com with ESMTPSA id b12sm86327662wrt.17.2019.01.27.15.14.45 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 27 Jan 2019 15:14:45 -0800 (PST) From: Junio C Hamano To: "Johannes Schindelin via GitGitGadget" Cc: git@vger.kernel.org, Johannes Schindelin Subject: Re: [PATCH v4 06/21] test-date: add a subcommand to measure times in shell scripts References: Date: Sun, 27 Jan 2019 15:14:45 -0800 In-Reply-To: (Junio C. Hamano's message of "Wed, 23 Jan 2019 14:29:02 -0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Junio C Hamano writes: > I think the goal to have our own stopwatch so that we do not have to > worry about differences among system-provided ones makes sense. > > The only thing that may become an issue is how widely available > getnanotime() is. As "test-date" itself is built on any platform an > end-user/developer runs our tests, which is wider set of platforms > than what we run Travis and other CIs on, unconditionally relying on > its availability might pose an issue. Sorry for a false alarm, as the codebase in many places like fsmonitor, progress, trace and wt-status have been assuming getnanotime() to be available for quite some time, and this is just another user of the same function.