From patchwork Tue Aug 25 01:40:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 275697 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=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 98B13C433E3 for ; Tue, 25 Aug 2020 01:32:01 +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 7242620738 for ; Tue, 25 Aug 2020 01:32:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7242620738 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50820 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kANoe-0006TL-Km for qemu-devel@archiver.kernel.org; Mon, 24 Aug 2020 21:32:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60648) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kANno-0004tN-Cm for qemu-devel@nongnu.org; Mon, 24 Aug 2020 21:31:08 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:4210 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kANnj-0005pi-GD for qemu-devel@nongnu.org; Mon, 24 Aug 2020 21:31:08 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 3635A9AE33910D6DCE78; Tue, 25 Aug 2020 09:30:57 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.487.0; Tue, 25 Aug 2020 09:30:49 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v5 01/12] migration/dirtyrate: setup up query-dirtyrate framwork Date: Tue, 25 Aug 2020 09:40:39 +0800 Message-ID: <1598319650-36762-2-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1598319650-36762-1-git-send-email-zhengchuan@huawei.com> References: <1598319650-36762-1-git-send-email-zhengchuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=zhengchuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/24 21:30:58 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: zhang.zhanghailiang@huawei.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com, ann.zhuangyanying@huawei.com, fangying1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add get_dirtyrate_thread() functions to setup query-dirtyrate framework. Signed-off-by: Chuan Zheng Signed-off-by: YanYing Zhuang --- migration/dirtyrate.c | 39 +++++++++++++++++++++++++++++++++++++++ migration/dirtyrate.h | 32 ++++++++++++++++++++++++++++++++ migration/meson.build | 1 + 3 files changed, 72 insertions(+) create mode 100644 migration/dirtyrate.c create mode 100644 migration/dirtyrate.h diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c new file mode 100644 index 0000000..366f4e9 --- /dev/null +++ b/migration/dirtyrate.c @@ -0,0 +1,39 @@ +/* + * Dirtyrate implement code + * + * Copyright (c) 2017-2020 HUAWEI TECHNOLOGIES CO.,LTD. + * + * Authors: + * Chuan Zheng + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "crypto/hash.h" +#include "crypto/random.h" +#include "qemu/config-file.h" +#include "exec/memory.h" +#include "exec/ramblock.h" +#include "exec/target_page.h" +#include "qemu/rcu_queue.h" +#include "qapi/qapi-commands-migration.h" +#include "migration.h" +#include "dirtyrate.h" + +static void calculate_dirtyrate(struct DirtyRateConfig config) +{ + /* todo */ + return; +} + +void *get_dirtyrate_thread(void *arg) +{ + struct DirtyRateConfig config = *(struct DirtyRateConfig *)arg; + + calculate_dirtyrate(config); + + return NULL; +} diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h new file mode 100644 index 0000000..33669b7 --- /dev/null +++ b/migration/dirtyrate.h @@ -0,0 +1,32 @@ +/* + * Dirtyrate common functions + * + * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD. + * + * Authors: + * Chuan Zheng + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef QEMU_MIGRATION_DIRTYRATE_H +#define QEMU_MIGRATION_DIRTYRATE_H + +/* + * Sample 512 pages per GB as default. + * TODO: Make it configurable. + */ +#define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 + +/* Take 1s as default for calculation duration */ +#define DEFAULT_FETCH_DIRTYRATE_TIME_SEC 1 + +struct DirtyRateConfig { + uint64_t sample_pages_per_gigabytes; /* sample pages per GB */ + int64_t sample_period_seconds; /* time duration between two sampling */ +}; + +void *get_dirtyrate_thread(void *arg); +#endif + diff --git a/migration/meson.build b/migration/meson.build index ac8ff14..30cc6c3 100644 --- a/migration/meson.build +++ b/migration/meson.build @@ -21,6 +21,7 @@ softmmu_ss.add(files( 'channel.c', 'colo-failover.c', 'colo.c', + 'dirtyrate.c', 'exec.c', 'fd.c', 'global_state.c',