Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp2261754pxj; Sun, 9 May 2021 21:15:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxm7L+WSxtv669T7Wber/uH/gcr7O/60fnOa6k+SzE6rxUPhm8LdNiRNTU5t3B4Ls9XLq/1 X-Received: by 2002:a05:6638:b14:: with SMTP id a20mr19777441jab.132.1620620148753; Sun, 09 May 2021 21:15:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620620148; cv=none; d=google.com; s=arc-20160816; b=qVHWWByWBIek5Z8aX8WgX9U+xwbKjiVKKC+bEkH8+qA6tn0nMjQOm7995VacO3jEBh 2D38QUQH0W5zkABNRlUIOg4x8/nm6Tx/R7A+zvtC+8UWWfEobfvhjvnx0fmICQPVoV2F c0cFl2yl7ZmryTL4fCVl1LfL1by/GA4uL9jFw8umeFplDlIsSnRzsOR+b2dlfdVcOcCv owyvihIgNEtHY+ifYKQmQBLSrIVIQqUr8J+dRR8k2sZN607+isjTe6DaSuXhuJyR9U5l 9iMntdnXi/ap83idUwLST8NVlBP6Ed387/C6hUpla0g80L6Ua2Gzbwe39uny6GPB69sX 1tKg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=/yxWlO42ixvpfUsWBB5p4JPqWnin63tq6v+0vhFMNh4=; b=WJs9YRua87NEXh00X2Xn1z+WbqfkYgOsWx5NbDc/4w0V9Qe967bfLPnlEpqukxL7+5 FYPrq9N1ozn6VKM9ag5SSFYc+mhyKiwJlQpIUGqC57wDGR8UCnaqi7+3tGgFDAwluPlX GOPR9E5BN5yOaxsfTcnPWB4VEmUbQoAlWWDUCbyRCxiyWKsC8GoTU1S7SsgKwO4FyqW9 6w0hHAQS+6qZ6OEXBvTN1LwAwbXXOpgoSik7BCqCYHDlIIGep+544x5ahCFfbZgeXTC3 xHrGMXqHaeq4ShEeFFr5OGtWyP7l94i7DCjilvqHXcgr9rbMeWz9Ob7SM4dzMR7QTK2y wdXw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=Ih2TGI4d; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y21si15225970jao.90.2021.05.09.21.15.12; Sun, 09 May 2021 21:15:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linux-foundation.org header.s=korg header.b=Ih2TGI4d; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230163AbhEJD77 (ORCPT + 99 others); Sun, 9 May 2021 23:59:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:45762 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230029AbhEJD76 (ORCPT ); Sun, 9 May 2021 23:59:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1BB6D6138C; Mon, 10 May 2021 03:58:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1620619134; bh=/w0NtbqYwqN7K08COz9EKLZ5k+fG+jGh0uGGYhBOoGc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Ih2TGI4dRSkbM0iIaLGqTPsT4a5wSCCY0PFuMCjMcMYYvJtIZkCIy0x384fZF8kn/ f4iiVg2T5Rko7/9yEvALnSVRCoHWao10sfGixWutB/PvFJ/xVDXnfADZFuNjpGq5up zSbZ4XUY784ko3EgCvOPh9LTGkxJ6cQU20Q6MyWc= Date: Sun, 9 May 2021 20:58:53 -0700 From: Andrew Morton To: brookxu Cc: adobriyan@gmail.com, bsingharora@gmail.com, ebiederm@xmission.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] delayacct: add a proc file to dump the delay info Message-Id: <20210509205853.42a3a06f9c5b70b52bdf8509@linux-foundation.org> In-Reply-To: <3da76d1d565c423c6cbf92b02cbae9f86cd5accd.1618841970.git.brookxu@tencent.com> References: <8ac9f35074326cb36e3cdbf0ad70b36dc3412e86.1618841970.git.brookxu@tencent.com> <3da76d1d565c423c6cbf92b02cbae9f86cd5accd.1618841970.git.brookxu@tencent.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 19 Apr 2021 22:37:07 +0800 brookxu wrote: > Many distributions do not install the getdelay tool by > default, similar to task_io_accounting, adding a proc > file to make access easier. Well, we developed and maintain getdelays.c for a reason. Why should we add (and maintain) kernel code because some people are too lame to install the tool we provided?