From patchwork Fri Aug 14 09:32:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 276474 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=-13.0 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 1E9E4C433DF for ; Fri, 14 Aug 2020 10:28:01 +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 E5282206DA for ; Fri, 14 Aug 2020 10:28:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5282206DA 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]:33978 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k6WwK-000347-84 for qemu-devel@archiver.kernel.org; Fri, 14 Aug 2020 06:28:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46186) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k6VuD-0002Jr-Np for qemu-devel@nongnu.org; Fri, 14 Aug 2020 05:21:45 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:50080 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 1k6VuA-00045y-2g for qemu-devel@nongnu.org; Fri, 14 Aug 2020 05:21:45 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 9EA59DF8D2776D958153; Fri, 14 Aug 2020 17:21:33 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Fri, 14 Aug 2020 17:21:25 +0800 From: Chuan Zheng To: , , Subject: [PATCH v2 02/10] migration/dirtyrate: Add RamlockDirtyInfo to store sampled page info Date: Fri, 14 Aug 2020 17:32:05 +0800 Message-ID: <1597397532-68043-3-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1597397532-68043-1-git-send-email-zhengchuan@huawei.com> References: <1597397532-68043-1-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=45.249.212.35; envelope-from=zhengchuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/14 05:21:34 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=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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, linyilu@huawei.com, qemu-devel@nongnu.org, 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" From: Zheng Chuan Add RamlockDirtyInfo to store sampled page info of each ramblock. Signed-off-by: Zheng Chuan --- migration/dirtyrate.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h index 914c363..9650566 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -19,6 +19,11 @@ */ #define DIRTYRATE_DEFAULT_SAMPLE_PAGES 256 +/* + * Record ramblock idstr + */ +#define RAMBLOCK_INFO_MAX_LEN 256 + /* Take 1s as default for calculation duration */ #define DEFAULT_FETCH_DIRTYRATE_TIME_SEC 1 @@ -39,6 +44,19 @@ typedef enum { CAL_DIRTY_RATE_END, } CalculatingDirtyRateState; +/* + * Store dirtypage info for each ramblock. + */ +struct RamblockDirtyInfo { + char idstr[RAMBLOCK_INFO_MAX_LEN]; /* idstr for each ramblock */ + uint8_t *ramblock_addr; /* base address of ramblock we measure */ + size_t ramblock_pages; /* sum of dividation by 4K pages for ramblock */ + size_t *sample_page_vfn; /* relative offset address for sampled page */ + unsigned int sample_pages_count; /* sum of sampled pages */ + unsigned int sample_dirty_count; /* sum of dirty pages we measure */ + uint8_t *hash_result; /* array of hash result for sampled pages */ +}; + void *get_dirtyrate_thread(void *arg); #endif