From nobody Tue Feb 10 09:58:22 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=1598240626; cv=none; d=zohomail.com; s=zohoarc; b=ayFjfdtj/jx1Qo6ZsI+ihokoTWCzFhA8uuAohtwF7ecMAP2A51+vscIVJjW4BQO2Y2BI6c5HbAzB78NojACKFOnknFVKkPR0v8eKne5IiPc/LjtWh0MuOTVRsYlfxeUouVVjn5HfKi2Efwx4jO+os5uApRgcaU35lIqddDPMSXM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1598240626; 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=cWv1NIRZuKok1PouGcFPc3m7ZDfP5xfmVKij8kNKSUA=; b=BIaShMeQmKn9RnWy+6MMcf83MctfA+3ZRVhlEoVO0IlBW+UTrdsm5tGjPZscBQl/PWUlxgKqbkGDz1qgpk9XfnOnnSQc04I0Bv482MZWBbt7LvB3yky+rRDYbrrs6vPqB6sMbU8r7TXY93XIbqVijAztG9NjuZW/gcyS1B69RbM= 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 1598240626543363.2932753501078; Sun, 23 Aug 2020 20:43:46 -0700 (PDT) Received: from localhost ([::1]:36678 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kA3Ob-00039b-CQ for importer@patchew.org; Sun, 23 Aug 2020 23:43:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58774) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kA3M2-00078T-0g for qemu-devel@nongnu.org; Sun, 23 Aug 2020 23:41:06 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:4205 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 1kA3Ly-0005Um-Ce for qemu-devel@nongnu.org; Sun, 23 Aug 2020 23:41:05 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 0DB2968BD3EE1A37DCAC; Mon, 24 Aug 2020 11:40:50 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Mon, 24 Aug 2020 11:40:41 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v4 10/12] migration/dirtyrate: Implement calculate_dirtyrate() function Date: Mon, 24 Aug 2020 11:52:01 +0800 Message-ID: <1598241123-118714-11-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1598241123-118714-1-git-send-email-zhengchuan@huawei.com> References: <1598241123-118714-1-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=45.249.212.190; envelope-from=zhengchuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/23 23:40:45 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" Implement calculate_dirtyrate() function. Signed-off-by: Chuan Zheng Signed-off-by: YanYing Zhuang --- migration/dirtyrate.c | 45 +++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 2 deletions(-) diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index d1c0a78..9f52f5f 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -171,6 +171,21 @@ static void get_ramblock_dirty_info(RAMBlock *block, strcpy(info->idstr, qemu_ram_get_idstr(block)); } =20 +static void free_ramblock_dirty_info(struct RamblockDirtyInfo *infos, int = count) +{ + int i; + + if (!infos) { + return; + } + + for (i =3D 0; i < count; i++) { + g_free(infos[i].sample_page_vfn); + g_free(infos[i].hash_result); + } + g_free(infos); +} + static struct RamblockDirtyInfo * alloc_ramblock_dirty_info(int *block_index, struct RamblockDirtyInfo *block_dinfo) @@ -316,8 +331,34 @@ static int compare_page_hash_info(struct RamblockDirty= Info *info, =20 static void calculate_dirtyrate(struct DirtyRateConfig config) { - /* todo */ - return; + struct RamblockDirtyInfo *block_dinfo =3D NULL; + int block_index =3D 0; + int64_t msec =3D 0; + int64_t initial_time; + + rcu_register_thread(); + reset_dirtyrate_stat(); + initial_time =3D qemu_clock_get_ms(QEMU_CLOCK_REALTIME); + rcu_read_lock(); + if (record_ramblock_hash_info(&block_dinfo, config, &block_index) < 0)= { + goto out; + } + rcu_read_unlock(); + + msec =3D config.sample_period_seconds * 1000; + msec =3D set_sample_page_period(msec, initial_time); + + rcu_read_lock(); + if (compare_page_hash_info(block_dinfo, block_index) < 0) { + goto out; + } + + update_dirtyrate(msec); + +out: + rcu_read_unlock(); + free_ramblock_dirty_info(block_dinfo, block_index + 1); + rcu_unregister_thread(); } =20 void *get_dirtyrate_thread(void *arg) --=20 1.8.3.1