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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E68DEC433EF for ; Fri, 15 Oct 2021 02:08:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3CBB8604DC for ; Fri, 15 Oct 2021 02:08:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3CBB8604DC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chinatelecom.cn Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:52104 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbCeF-0005Bf-8S for qemu-devel@archiver.kernel.org; Thu, 14 Oct 2021 22:08:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52076) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbCdB-0003vO-EU for qemu-devel@nongnu.org; Thu, 14 Oct 2021 22:07:33 -0400 Received: from prt-mail.chinatelecom.cn ([42.123.76.226]:48775 helo=chinatelecom.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbCd8-0005kg-H5 for qemu-devel@nongnu.org; Thu, 14 Oct 2021 22:07:33 -0400 HMM_SOURCE_IP: 172.18.0.218:57572.1868656741 HMM_ATTACHE_NUM: 0000 HMM_SOURCE_TYPE: SMTP Received: from clientip-182.150.57.243 (unknown [172.18.0.218]) by chinatelecom.cn (HERMES) with SMTP id 78F6A2800E3; Fri, 15 Oct 2021 10:07:05 +0800 (CST) X-189-SAVE-TO-SEND: huangy81@chinatelecom.cn Received: from ([172.18.0.218]) by app0025 with ESMTP id 66cf86384b224b089b45b055aab3ba3e for zhengchuan@huawei.com; Fri, 15 Oct 2021 10:07:10 CST X-Transaction-ID: 66cf86384b224b089b45b055aab3ba3e X-Real-From: huangy81@chinatelecom.cn X-Receive-IP: 172.18.0.218 Subject: Re: [PATCH v12 0/6] support dirtyrate at the granualrity of vcpu To: Peter Xu References: From: Hyman Huang Message-ID: <78929c64-ca4d-6c6a-f371-99cd508e958a@chinatelecom.cn> Date: Fri, 15 Oct 2021 10:07:00 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=42.123.76.226; envelope-from=huangy81@chinatelecom.cn; helo=chinatelecom.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , Juan Quintela , qemu-devel@nongnu.org, "Dr. David Alan Gilbert" , Chuan Zheng , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 在 2021/10/15 9:32, Peter Xu 写道: > On Wed, Jun 30, 2021 at 12:01:17AM +0800, huangy81@chinatelecom.cn wrote: >> From: Hyman Huang(黄勇) >> >> v12 >> - adjust the order of calculating dirty rate >> let memory_global_dirty_log_sync before calculating as >> v11 version description. > > Ping for Yong. > > Dave/Juan, any plan to review/merge this series (along with the other series of > dirty logging)? > > I found it useful when I wanted to modify the program I used to generate > constant dirty workload - this series can help me to verify the change. > > I still keep thinking this series is something good to have. Thanks, the dirtyrate calculation has already been used to estimate time of live migration in "e cloud" production of chinatelecom, it also predict the migration success ratio, which provide valuable information for the cloud management plane when selecting which vm should be migrated. > -- Best regard Hyman Huang(黄勇)