From nobody Tue Feb 10 04:55:12 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1598259969; cv=none; d=zohomail.com; s=zohoarc; b=gxv6POfveVxy15ucHM8s2cbio2lW5KkPu4vDAP/W91rZ/T7kPpiuygfLr+zxy4j42XAsx437QvdJlimJjCgAr9tGlLTVPM5p10dwHJMqDxSH5fzq+tnT6IU4BoV4hnuDlgIxF8fX/FoKkRZjZtoW3w9kbAcNqAt9I9g/qdt+Hgg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1598259969; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=mXRbqwD+NrzJo22P8/q9SAVcorcSJdrRc1Vp2BXR1z8=; b=HmaSa37AVldnYCFGU3iXoM9efsR5exywl8BWD4jwRlnx6aBXqY00+tLqHhJX1B3cZrn2/liEqvlKmxeLAokZN/cIqxy+cs0kZqYXNJYIa+EVKz9WIMKgDMu9wV8TD8jQO9ta3mjiZySqvvIwzvafUfC5z/Z0Nh4tgtoTUONJtbU= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1598259969619260.78101161456834; Mon, 24 Aug 2020 02:06:09 -0700 (PDT) Received: from localhost ([::1]:49430 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kA8Qa-000429-8e for importer@patchew.org; Mon, 24 Aug 2020 05:06:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35884) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kA8OA-0007Js-Vy for qemu-devel@nongnu.org; Mon, 24 Aug 2020 05:03:39 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:41852 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 1kA8O3-0007k9-W5 for qemu-devel@nongnu.org; Mon, 24 Aug 2020 05:03:37 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 75A288A618436093B87B; Mon, 24 Aug 2020 17:03:26 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Mon, 24 Aug 2020 17:03:17 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v5 03/12] migration/dirtyrate: Add RamlockDirtyInfo to store sampled page info Date: Mon, 24 Aug 2020 17:14:31 +0800 Message-ID: <1598260480-64862-4-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1598260480-64862-1-git-send-email-zhengchuan@huawei.com> References: <1598260480-64862-1-git-send-email-zhengchuan@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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 = 2020/08/24 05:03:27 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, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com, ann.zhuangyanying@huawei.com, fangying1@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add RamlockDirtyInfo to store sampled page info of each ramblock. Signed-off-by: Chuan Zheng --- migration/dirtyrate.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h index 33669b7..70000da 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -19,6 +19,11 @@ */ #define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 =20 +/* + * Record ramblock idstr + */ +#define RAMBLOCK_INFO_MAX_LEN 256 + /* Take 1s as default for calculation duration */ #define DEFAULT_FETCH_DIRTYRATE_TIME_SEC 1 =20 @@ -27,6 +32,19 @@ struct DirtyRateConfig { int64_t sample_period_seconds; /* time duration between two sampling */ }; =20 +/* + * 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 */ + uint64_t ramblock_pages; /* ramblock size in 4K-page */ + uint64_t *sample_page_vfn; /* relative offset address for sampled page= */ + uint64_t sample_pages_count; /* count of sampled pages */ + uint64_t sample_dirty_count; /* cout of dirty pages we measure */ + uint32_t *hash_result; /* array of hash result for sampled pages */ +}; + void *get_dirtyrate_thread(void *arg); #endif =20 --=20 1.8.3.1