From nobody Tue Feb 10 03:15:56 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=1598259891; cv=none; d=zohomail.com; s=zohoarc; b=Q4CrhI8WFHq7N8ClqJh817oQcbb3Qw/Tb4xX9yy6iJNErUH0aJKS5MYfL3DXIUcXJHarbUJxnJQnYmO2mcYT3EAilVnej1Agvw+GZnhjGiZMl5PnPw+KIXDgafOg2tS5OUs5vsmls2KiHis/TNHtxUJai9u+KFbxRDfK2TTBqo0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1598259891; 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=++AK6HmXzbBF2ojGgOwsthbigdotwSc6r2TWLjNyZds=; b=O2k2lb9sVe2Yf7dGQDkWuRvM+mSM4kWBeNqZKxNLipZYeMAE8+9lBjb1iRmjaqZerZDCXZVyV4G+mGUalSRq9039OZBHi5T39vMH/9B3BuffVSe3bCuxhsRDdXUbffz9p7pjxGMCQRD7GQ+oVgUJ06p+sh/sv7I4+FCZ69S8qAk= 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 1598259891350155.9450446619917; Mon, 24 Aug 2020 02:04:51 -0700 (PDT) Received: from localhost ([::1]:41304 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kA8PJ-0000cE-Vy for importer@patchew.org; Mon, 24 Aug 2020 05:04:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35848) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kA8O7-0007IJ-9T for qemu-devel@nongnu.org; Mon, 24 Aug 2020 05:03:36 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:41858 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 1kA8O2-0007k8-LB for qemu-devel@nongnu.org; Mon, 24 Aug 2020 05:03:34 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 656CC96C8DE9DDDB34B0; 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 17:03:18 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v5 04/12] migration/dirtyrate: Add dirtyrate statistics series functions Date: Mon, 24 Aug 2020 17:14:32 +0800 Message-ID: <1598260480-64862-5-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 dirtyrate statistics to record/update dirtyrate info. Signed-off-by: Chuan Zheng --- migration/dirtyrate.c | 29 +++++++++++++++++++++++++++++ migration/dirtyrate.h | 10 ++++++++++ 2 files changed, 39 insertions(+) diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index 91987c5..0d7163f 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -24,6 +24,7 @@ #include "dirtyrate.h" =20 static int CalculatingState =3D DIRTY_RATE_STATUS_UNSTARTED; +static struct DirtyRateStat DirtyStat; =20 static int dirtyrate_set_state(int *state, int old_state, int new_state) { @@ -35,6 +36,34 @@ static int dirtyrate_set_state(int *state, int old_state= , int new_state) } } =20 +static void reset_dirtyrate_stat(void) +{ + DirtyStat.total_dirty_samples =3D 0; + DirtyStat.total_sample_count =3D 0; + DirtyStat.total_block_mem_MB =3D 0; + DirtyStat.dirty_rate =3D 0; +} + +static void update_dirtyrate_stat(struct RamblockDirtyInfo *info) +{ + DirtyStat.total_dirty_samples +=3D info->sample_dirty_count; + DirtyStat.total_sample_count +=3D info->sample_pages_count; + /* size of 4K pages in MB */ + DirtyStat.total_block_mem_MB +=3D info->ramblock_pages / 256; +} + +static void update_dirtyrate(uint64_t msec) +{ + uint64_t dirtyrate; + uint64_t total_dirty_samples =3D DirtyStat.total_dirty_samples; + uint64_t total_sample_count =3D DirtyStat.total_sample_count; + uint64_t total_block_mem_MB =3D DirtyStat.total_block_mem_MB; + + dirtyrate =3D total_dirty_samples * total_block_mem_MB * + 1000 / (total_sample_count * msec); + + DirtyStat.dirty_rate =3D dirtyrate; +} =20 static void calculate_dirtyrate(struct DirtyRateConfig config) { diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h index 70000da..9db269d 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -45,6 +45,16 @@ struct RamblockDirtyInfo { uint32_t *hash_result; /* array of hash result for sampled pages */ }; =20 +/* + * Store calculation statistics for each measure. + */ +struct DirtyRateStat { + uint64_t total_dirty_samples; /* total dirty sampled page */ + uint64_t total_sample_count; /* total sampled pages */ + uint64_t total_block_mem_MB; /* size of total sampled pages in MB */ + int64_t dirty_rate; /* dirty rate in MB/s */ +}; + void *get_dirtyrate_thread(void *arg); #endif =20 --=20 1.8.3.1