From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A15DDC433DB for ; Wed, 17 Mar 2021 21:52:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 39FDF64F26 for ; Wed, 17 Mar 2021 21:52:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229944AbhCQVwH (ORCPT ); Wed, 17 Mar 2021 17:52:07 -0400 Received: from mga05.intel.com ([192.55.52.43]:38295 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229549AbhCQVvo (ORCPT ); Wed, 17 Mar 2021 17:51:44 -0400 IronPort-SDR: i+mGVPX9xJlnun/1RByZOpVv2ShLsjhvHUCbpnswMkiLao388B1plx61AfbJkjrgsrjBCy6u9G e+N7YrfGE+BA== X-IronPort-AV: E=McAfee;i="6000,8403,9926"; a="274603628" X-IronPort-AV: E=Sophos;i="5.81,257,1610438400"; d="scan'208";a="274603628" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2021 14:51:44 -0700 IronPort-SDR: geSoaf3xIPqi0U+RyRij9dGg3crcOoswPF7KDxhcepK7ej4h5gzxvesr9cmU1qwlkAm92lTM7Z 3aKzTYIhxpQQ== X-IronPort-AV: E=Sophos;i="5.81,257,1610438400"; d="scan'208";a="388992994" Received: from tassilo.jf.intel.com ([10.54.74.11]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2021 14:51:43 -0700 Date: Wed, 17 Mar 2021 14:51:42 -0700 From: Andi Kleen To: Arnaldo Carvalho de Melo Cc: Jin Yao , jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, Linux-kernel@vger.kernel.org, kan.liang@intel.com, yao.jin@intel.com Subject: Re: [PATCH v2] perf stat: Align CSV output for summary mode Message-ID: <20210317215142.GB1369306@tassilo.jf.intel.com> References: <20210317070205.10315-1-yao.jin@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > If you care about not breaking existing scripts, then the output they > get with what they use as command line options must continue to produce > the same output. It's not clear there are any useful ones (except for tools that handle both). It's really hard to parse the previous mess. It's simply not valid CSV. That's why I'm arguing that keeping compatibility is not useful here. We would be stuck with the broken mess as default forever. -Andi