From patchwork Tue Aug 25 01:40:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Chuan X-Patchwork-Id: 11734629 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 747121575 for ; Tue, 25 Aug 2020 01:33:03 +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 5518F20738 for ; Tue, 25 Aug 2020 01:33:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5518F20738 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:59018 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kANpe-0001Jg-Jn for patchwork-qemu-devel@patchwork.kernel.org; Mon, 24 Aug 2020 21:33:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60662) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kANnp-0004uZ-QE for qemu-devel@nongnu.org; Mon, 24 Aug 2020 21:31:09 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:4208 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-0005ph-Rk for qemu-devel@nongnu.org; Mon, 24 Aug 2020 21:31:09 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 451EA4FD5B7A7914F2A4; 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 09:30:50 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v5 03/12] migration/dirtyrate: Add RamlockDirtyInfo to store sampled page info Date: Tue, 25 Aug 2020 09:40:41 +0800 Message-ID: <1598319650-36762-4-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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Add RamlockDirtyInfo to store sampled page info of each ramblock. Signed-off-by: Chuan Zheng Reviewed-by: Dr. David Alan Gilbert --- migration/dirtyrate.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h index 33669b7..dc45419 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -19,6 +19,11 @@ */ #define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 +/* + * Record ramblock idstr + */ +#define RAMBLOCK_INFO_MAX_LEN 256 + /* Take 1s as default for calculation duration */ #define DEFAULT_FETCH_DIRTYRATE_TIME_SEC 1 @@ -27,6 +32,19 @@ struct DirtyRateConfig { int64_t sample_period_seconds; /* time duration between two sampling */ }; +/* + * 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; /* count of dirty pages we measure */ + uint32_t *hash_result; /* array of hash result for sampled pages */ +}; + void *get_dirtyrate_thread(void *arg); #endif