Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C06CAC433EF for ; Mon, 29 Nov 2021 02:16:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233803AbhK2CSo (ORCPT ); Sun, 28 Nov 2021 21:18:44 -0500 Received: from out30-56.freemail.mail.aliyun.com ([115.124.30.56]:33917 "EHLO out30-56.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231774AbhK2CQn (ORCPT ); Sun, 28 Nov 2021 21:16:43 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R491e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=yinan@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0Uyb4swN_1638152004; Received: from 30.240.100.24(mailfrom:yinan@linux.alibaba.com fp:SMTPD_---0Uyb4swN_1638152004) by smtp.aliyun-inc.com(127.0.0.1); Mon, 29 Nov 2021 10:13:24 +0800 Message-ID: Date: Mon, 29 Nov 2021 10:13:23 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: [PATCH v4] scripts: ftrace - move the sort-processing in ftrace_init to compile time From: Yinan Liu To: rostedt@goodmis.org, peterz@infradead.org Cc: mark-pk.tsai@mediatek.com, mingo@redhat.com, linux-kernel@vger.kernel.org References: <20210911135043.16014-1-yinan@linux.alibaba.com> <20211123105404.22166-1-yinan@linux.alibaba.com> <20211123105404.22166-2-yinan@linux.alibaba.com> In-Reply-To: <20211123105404.22166-2-yinan@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2021/11/23 下午6:54, Yinan Liu 写道: > When the kernel starts, the initialization of ftrace takes > up a portion of the time (approximately 6~8ms) to sort mcount > addresses. We can save this time by moving mcount-sorting to > compile time. > > Signed-off-by: Yinan Liu > Reported-by: kernel test robot Hi, Is there anything wrong with this patch? Or are you too busy to review? Let me make sure that it has not been forgotten. Best regards! -- Yinan Liu