From nobody Thu Sep 19 16:09:55 2024 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=1600236942; cv=none; d=zohomail.com; s=zohoarc; b=WPLQxFu//8SeQCC85QCH7g+hgEe0UsyQF010XhizW/UcUHhoKlHeKX0jVqTaLraBdng5YHLgirLZR0tVU9XZcLojPSykg9F/mAmhMlvP0zPTd7tSQAHG77bg3X8tgEvYPGblt4KrwTq8pdSFC2q6HiSqKpAYPrYoXe9XYBk2clo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1600236942; 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=ORLsEjBkeUbZlFrRMw5iv1hRFwqXG3y8qJRWUvAHG0U=; b=S9KWqy/U2/nRG8YsawF0H2AangL5DrIhFTUn1FML7l2gii3jvvc2C+GnQDQbHtmmvvgUhO3GkTXXuNer4IZXFXN8DdlJtvjlkTYwGrW/P89HBtYAj/tHCf9s+t1cv+88SLo67LSK72qCGoaNDe5l9+V7WWicnqRnw2rui4T7Y5U= 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 1600236942128936.8002463978632; Tue, 15 Sep 2020 23:15:42 -0700 (PDT) Received: from localhost ([::1]:44014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kIQjE-0003La-TB for importer@patchew.org; Wed, 16 Sep 2020 02:15:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58826) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kIQfI-0006kC-Nb for qemu-devel@nongnu.org; Wed, 16 Sep 2020 02:11:36 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:37006 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 1kIQfD-0005XW-7L for qemu-devel@nongnu.org; Wed, 16 Sep 2020 02:11:36 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 1817B32C4FA132D9F4E5; Wed, 16 Sep 2020 14:11:25 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Wed, 16 Sep 2020 14:11:16 +0800 From: Chuan Zheng To: , , , Subject: [PATCH v10 02/12] migration/dirtyrate: add DirtyRateStatus to denote calculation status Date: Wed, 16 Sep 2020 14:21:57 +0800 Message-ID: <1600237327-33618-3-git-send-email-zhengchuan@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1600237327-33618-1-git-send-email-zhengchuan@huawei.com> References: <1600237327-33618-1-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 = 2020/09/16 02:11:25 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: zhengchuan@huawei.com, zhang.zhanghailiang@huawei.com, liq3ea@gmail.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, alex.chen@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 DirtyRateStatus to denote calculating status. Signed-off-by: Chuan Zheng Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Li Qiang --- migration/dirtyrate.c | 26 ++++++++++++++++++++++++++ qapi/migration.json | 17 +++++++++++++++++ 2 files changed, 43 insertions(+) diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index bf7fd24..7bea8ff 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -22,6 +22,19 @@ #include "migration.h" #include "dirtyrate.h" =20 +static int CalculatingState =3D DIRTY_RATE_STATUS_UNSTARTED; + +static int dirtyrate_set_state(int *state, int old_state, int new_state) +{ + assert(new_state < DIRTY_RATE_STATUS__MAX); + if (atomic_cmpxchg(state, old_state, new_state) =3D=3D old_state) { + return 0; + } else { + return -1; + } +} + + static void calculate_dirtyrate(struct DirtyRateConfig config) { /* todo */ @@ -31,8 +44,21 @@ static void calculate_dirtyrate(struct DirtyRateConfig c= onfig) void *get_dirtyrate_thread(void *arg) { struct DirtyRateConfig config =3D *(struct DirtyRateConfig *)arg; + int ret; + + ret =3D dirtyrate_set_state(&CalculatingState, DIRTY_RATE_STATUS_UNSTA= RTED, + DIRTY_RATE_STATUS_MEASURING); + if (ret =3D=3D -1) { + error_report("change dirtyrate state failed."); + return NULL; + } =20 calculate_dirtyrate(config); =20 + ret =3D dirtyrate_set_state(&CalculatingState, DIRTY_RATE_STATUS_MEASU= RING, + DIRTY_RATE_STATUS_MEASURED); + if (ret =3D=3D -1) { + error_report("change dirtyrate state failed."); + } return NULL; } diff --git a/qapi/migration.json b/qapi/migration.json index 5f6b061..061ff25 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1720,3 +1720,20 @@ ## { 'event': 'UNPLUG_PRIMARY', 'data': { 'device-id': 'str' } } + +## +# @DirtyRateStatus: +# +# An enumeration of dirtyrate status. +# +# @unstarted: the dirtyrate thread has not been started. +# +# @measuring: the dirtyrate thread is measuring. +# +# @measured: the dirtyrate thread has measured and results are available. +# +# Since: 5.2 +# +## +{ 'enum': 'DirtyRateStatus', + 'data': [ 'unstarted', 'measuring', 'measured'] } --=20 1.8.3.1