From nobody Sun Nov 16 12:30:53 2025 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=1600073835; cv=none; d=zohomail.com; s=zohoarc; b=YJCtJAiz1zSmw+Mx5Y05XX0z6/ZR4Kvbi3pzzTsbEupRUyn5QGprCqYWRlIYAUXdvaQ5G1iojYwYUxL3/eJrhaJOzRW5mP98KV4R8FMLdHT66p6Ts/Z42g+cPgkbWCYRS5bl+wu1GEGLfEujIUKBw+hub5esd6ccE0KsaePxH+c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1600073835; 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=AZx6m2GyeNx1QoX9ZxXsVuY1k2OJmxNJ80HbZDT3rmY=; b=YaxeXFY3gw/jTI0cvqOQsDyiFmefej22QQGRkENWwQrMz4Bxin4c7SEqr3Aa1V6PLaW866Q6Keedz3JAhVmrHcFD6VkWsAaNbZ4f8um6HpIl2bxliXSqTZ6d8zRW8E+xDLlCDzPA3avfyLhuvrLNunBN5k/j/EHAjQAmZ5ZkLQw= 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 1600073835742706.1599862182258; Mon, 14 Sep 2020 01:57:15 -0700 (PDT) Received: from localhost ([::1]:40416 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kHkIU-0006cT-Fl for importer@patchew.org; Mon, 14 Sep 2020 04:57:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42240) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kHkDz-0005wh-1D for qemu-devel@nongnu.org; Mon, 14 Sep 2020 04:52:35 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:60932 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 1kHkDw-0005kh-Bd for qemu-devel@nongnu.org; Mon, 14 Sep 2020 04:52:34 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 53CB8FE157BD4E2774C6; Mon, 14 Sep 2020 16:52:26 +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; Mon, 14 Sep 2020 16:52:18 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v8 04/12] migration/dirtyrate: Add dirtyrate statistics series functions Date: Mon, 14 Sep 2020 17:02:57 +0800 Message-ID: <1600074185-91624-5-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1600074185-91624-1-git-send-email-zhengchuan@huawei.com> References: <1600074185-91624-1-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=45.249.212.32; envelope-from=zhengchuan@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/14 04:52:27 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: zhengchuan@huawei.com, zhang.zhanghailiang@huawei.com, yuxiating@huawei.com, liq3ea@gmail.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@huawei.com, jinyan12@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 functions to record/update dirtyrate info. Signed-off-by: Chuan Zheng Reviewed-by: Dr. David Alan Gilbert --- migration/dirtyrate.c | 32 ++++++++++++++++++++++++++++++++ migration/dirtyrate.h | 12 ++++++++++++ 2 files changed, 44 insertions(+) diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index 7bea8ff..dca74e9 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -23,6 +23,7 @@ #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) { @@ -34,6 +35,37 @@ 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; + DirtyStat.start_time =3D 0; + DirtyStat.calc_time =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 total pages in MB */ + DirtyStat.total_block_mem_MB +=3D (info->ramblock_pages * + TARGET_PAGE_SIZE) >> 20; +} + +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 479e222..a3ee305 100644 --- a/migration/dirtyrate.h +++ b/migration/dirtyrate.h @@ -42,6 +42,18 @@ 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 */ + int64_t start_time; /* calculation start time in units of second */ + int64_t calc_time; /* time duration of two sampling in units of second= */ +}; + void *get_dirtyrate_thread(void *arg); #endif =20 --=20 1.8.3.1