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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 06E07CA9EA0 for ; Fri, 18 Oct 2019 16:03:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D72AA21897 for ; Fri, 18 Oct 2019 16:02:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2409125AbfJRQC6 (ORCPT ); Fri, 18 Oct 2019 12:02:58 -0400 Received: from ms.lwn.net ([45.79.88.28]:36802 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2408951AbfJRQC6 (ORCPT ); Fri, 18 Oct 2019 12:02:58 -0400 Received: from lwn.net (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id AC26C2CA; Fri, 18 Oct 2019 16:02:57 +0000 (UTC) Date: Fri, 18 Oct 2019 10:02:56 -0600 From: Jonathan Corbet To: linux-doc@vger.kernel.org Cc: LKML Subject: [PATCH RFC] Docs: mark admin-guide/iostats.rst as needing updates Message-ID: <20191018100256.75bb5c60@lwn.net> Organization: LWN.net MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This file tells us all about how 2.4 reported I/O statistics, which is less than fully useful. Put a note at the top advising of this fact and requesting some kind soul to bring things up to date. Signed-off-by: Jonathan Corbet --- I'm thinking about beginning to sprinkle these around Documentation/ in the hope that they inspire helpful people to improve the situation. It works (I think?) for wikipedia, maybe we should give it a try... Documentation/admin-guide/iostats.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/admin-guide/iostats.rst b/Documentation/admin-guide/iostats.rst index 5d63b18bd6d1..2d1b1c15fd91 100644 --- a/Documentation/admin-guide/iostats.rst +++ b/Documentation/admin-guide/iostats.rst @@ -2,6 +2,11 @@ I/O statistics fields ===================== +.. note:: + + This document contains a great deal of outdated information; please + consider helping out by updating it to match current reality. + Since 2.4.20 (and some versions before, with patches), and 2.5.45, more extensive disk statistics have been introduced to help measure disk activity. Tools such as ``sar`` and ``iostat`` typically interpret these and do -- 2.21.0