From nobody Tue Feb 10 20:14:34 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; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1674204957; cv=none; d=zohomail.com; s=zohoarc; b=Sq3j8jMdK5UgjKIxkxCzzMjqtnc+5T1eWLeJ7qTBi5g8C7wXi2fLuAQBn0I+13R7en4zfdGOonGf1P0iFNUDQ5/z99daf71wxO9H/nxRXWOZ3MCrVqc32dTLi9T/tdkm38ofi3vT1eFtXvnoxUD0LBpesIrYDN2u/+2DptRHL8M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1674204957; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=V9+K7WX3x+xhPvBLN1zCG2QtntllKZ57P2CwV3kHmYA=; b=IZrQLe32YmYQ8G5BnaAak7YDkMW5o/JZJ9FZIpWBWayUDq434b4qv6tYa2J7ckRhL19Fv6fNT+REQW162pnuU1G5A4E6rE0QKZ/EpdLzR9CDx72gWEeo8hYqg+MOswS5/vEy/wWFFAnr/Qz7WSAL2AHgyrSQjOMNTxLLitrnADI= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 167420495701792.41257170264691; Fri, 20 Jan 2023 00:55:57 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pInBL-0002M0-Qx; Fri, 20 Jan 2023 03:55:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pInB1-0002GY-83 for qemu-devel@nongnu.org; Fri, 20 Jan 2023 03:55:11 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pInAx-0002g3-Ux for qemu-devel@nongnu.org; Fri, 20 Jan 2023 03:55:09 -0500 Received: from dggpeml500022.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4NytYj06ptzRqtl; Fri, 20 Jan 2023 16:52:57 +0800 (CST) Received: from localhost.localdomain (10.175.124.27) by dggpeml500022.china.huawei.com (7.185.36.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Fri, 20 Jan 2023 16:54:51 +0800 To: CC: , , , , , , , Subject: [PATCH 3/3] migration: save/delete migration thread info Date: Fri, 20 Jan 2023 16:47:35 +0800 Message-ID: <20230120084735.825054-4-jiangjiacheng@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230120084735.825054-1-jiangjiacheng@huawei.com> References: <20230120084735.825054-1-jiangjiacheng@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500022.china.huawei.com (7.185.36.66) 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=45.249.212.188; envelope-from=jiangjiacheng@huawei.com; helo=szxga02-in.huawei.com 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, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Jiang Jiacheng From: Jiang Jiacheng via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1674204958975100005 Content-Type: text/plain; charset="utf-8" To support query migration thread infomation, save and delete thread information at thread creation and end. Signed-off-by: Jiang Jiacheng --- migration/migration.c | 4 ++++ migration/multifd.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index b4ce458bb9..957205e693 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -57,6 +57,7 @@ #include "net/announce.h" #include "qemu/queue.h" #include "multifd.h" +#include "threadinfo.h" #include "qemu/yank.h" #include "sysemu/cpus.h" #include "yank_functions.h" @@ -3951,10 +3952,12 @@ static void qemu_savevm_wait_unplug(MigrationState = *s, int old_state, static void *migration_thread(void *opaque) { MigrationState *s =3D opaque; + MigrationThread *thread =3D NULL; int64_t setup_start =3D qemu_clock_get_ms(QEMU_CLOCK_HOST); MigThrError thr_error; bool urgent =3D false; =20 + thread =3D MigrationThreadAdd("live_migration", qemu_get_thread_id()); /* report migration thread name to libvirt */ qapi_event_send_migration_name("live_migration"); =20 @@ -4034,6 +4037,7 @@ static void *migration_thread(void *opaque) migration_iteration_finish(s); object_unref(OBJECT(s)); rcu_unregister_thread(); + MigrationThreadDel(thread); return NULL; } =20 diff --git a/migration/multifd.c b/migration/multifd.c index 6e834c7111..fca06284de 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -25,6 +25,7 @@ #include "qemu-file.h" #include "trace.h" #include "multifd.h" +#include "threadinfo.h" #include "qemu/yank.h" #include "io/channel-socket.h" #include "yank_functions.h" @@ -646,10 +647,12 @@ int multifd_send_sync_main(QEMUFile *f) static void *multifd_send_thread(void *opaque) { MultiFDSendParams *p =3D opaque; + MigrationThread *thread =3D NULL; Error *local_err =3D NULL; int ret =3D 0; bool use_zero_copy_send =3D migrate_use_zero_copy_send(); =20 + thread =3D MigrationThreadAdd(p->name, qemu_get_thread_id()); /* report multifd thread name to libvirt */ qapi_event_send_migration_name(p->name); =20 @@ -762,6 +765,7 @@ out: qemu_mutex_unlock(&p->mutex); =20 rcu_unregister_thread(); + MigrationThreadDel(thread); trace_multifd_send_thread_end(p->id, p->num_packets, p->total_normal_p= ages); =20 return NULL; --=20 2.33.0