From nobody Mon Feb 9 12:14:06 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=1673263712; cv=none; d=zohomail.com; s=zohoarc; b=c5/Gk04Fs3GnCgunLfNREsdxKyi69MHcHetQD8yZgysFQ2h0LfdSO+sxzea2DNp7zKuASXjMbIDM0ctEwbJCIEITLn2Vve6goF6HLgvuRTXLWOF/zm1KAT1mmWNdZ0UyZXnaC/wfxIrNXPQmm9BWwXlFKku+QT4z8KLSaVNRuao= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1673263712; 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=wlCyEWuTWmvLmheCmTf9pOtNzxqjfkauSChll8b7rHc=; b=kxoPHrf6Dv39fYjIob7O7oocOOWle+6KB8uyNTNdjrplnGcDvGMKPa7UpvdSFmzyPOUFZX++IZ23Sx4wHfkj11TIeB09yg3UZ/NDeCzy3aL7ZzI0ULCHwzWopQDG/o2BcsO/O1y43VJw9QbfBRpbC1ntgxxgxIeM9z0Y9xQ0wEY= ARC-Authentication-Results: i=1; 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Mon, 9 Jan 2023 19:21:25 +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; Mon, 9 Jan 2023 19:22:57 +0800 To: CC: , , , , Subject: [PATCH 1/2] migration: report migration related thread pid to libvirt Date: Mon, 9 Jan 2023 19:16:30 +0800 Message-ID: <20230109111631.2386894-2-jiangjiacheng@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230109111631.2386894-1-jiangjiacheng@huawei.com> References: <20230109111631.2386894-1-jiangjiacheng@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) 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=45.249.212.187; envelope-from=jiangjiacheng@huawei.com; helo=szxga01-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: 1673263713732100001 Content-Type: text/plain; charset="utf-8" From: Zheng Chuan Report migration thread pid to libvirt in order to pin migration thread to different cpu. --- migration/migration.c | 3 +++ qapi/migration.json | 12 ++++++++++++ 2 files changed, 15 insertions(+) diff --git a/migration/migration.c b/migration/migration.c index 52b5d39244..2534e5a1f1 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3955,6 +3955,9 @@ static void *migration_thread(void *opaque) MigThrError thr_error; bool urgent =3D false; =20 + /* report migration thread pid to libvirt */ + qapi_event_send_migration_pid(qemu_get_thread_id()); + rcu_register_thread(); =20 object_ref(OBJECT(s)); diff --git a/qapi/migration.json b/qapi/migration.json index 88ecf86ac8..aafc940617 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1286,6 +1286,18 @@ { 'event': 'MIGRATION_PASS', 'data': { 'pass': 'int' } } =20 +## +# @MIGRATION_PID: +# +# Emitted when migration thread appear +# +# @pid: pid of migration thread +# +# Since: 7.2 +## +{ 'event': 'MIGRATION_PID', + 'data': { 'pid': 'int' } } + ## # @COLOMessage: # --=20 2.33.0 From nobody Mon Feb 9 12:14:06 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=1673263611; cv=none; d=zohomail.com; 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Mon, 9 Jan 2023 19:22:58 +0800 To: CC: , , , , Subject: [PATCH 2/2] migration: report multiFd related thread pid to libvirt Date: Mon, 9 Jan 2023 19:16:31 +0800 Message-ID: <20230109111631.2386894-3-jiangjiacheng@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230109111631.2386894-1-jiangjiacheng@huawei.com> References: <20230109111631.2386894-1-jiangjiacheng@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) 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=45.249.212.255; envelope-from=jiangjiacheng@huawei.com; helo=szxga08-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: 1673263612389100001 Content-Type: text/plain; charset="utf-8" From: Zheng Chuan Report multiFd related thread pid to libvirt in order to pin multiFd thread to different cpu. --- migration/multifd.c | 4 ++++ qapi/migration.json | 12 ++++++++++++ 2 files changed, 16 insertions(+) diff --git a/migration/multifd.c b/migration/multifd.c index 000ca4d4ec..f3f7e8ae31 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -17,6 +17,7 @@ #include "exec/ramblock.h" #include "qemu/error-report.h" #include "qapi/error.h" +#include "qapi/qapi-events-migration.h" #include "ram.h" #include "migration.h" #include "socket.h" @@ -650,6 +651,9 @@ static void *multifd_send_thread(void *opaque) int ret =3D 0; bool use_zero_copy_send =3D migrate_use_zero_copy_send(); =20 + /* report multifd thread pid to libvirt */ + qapi_event_send_migration_multifd_pid(qemu_get_thread_id()); + trace_multifd_send_thread_start(p->id); rcu_register_thread(); =20 diff --git a/qapi/migration.json b/qapi/migration.json index aafc940617..33fc319329 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -1286,6 +1286,18 @@ { 'event': 'MIGRATION_PASS', 'data': { 'pass': 'int' } } =20 +## +# @MIGRATION_MULTIFD_PID: +# +# Emitted when multifd thread appear +# +# @pid: pid of multifd thread +# +# Since: 7.2 +## +{ 'event': 'MIGRATION_MULTIFD_PID', + 'data': { 'pid': 'int' } } + ## # @MIGRATION_PID: # --=20 2.33.0