63 lines
1.6 KiB
Diff
63 lines
1.6 KiB
Diff
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From e387eaeef8845993a437ad19eaf988fb101d3fdd Mon Sep 17 00:00:00 2001
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From: zhengchuan <zhengchuan@huawei.com>
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Date: Mon, 5 Dec 2022 20:56:35 +0800
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Subject: [PATCH] migration: report multiFd related thread pid to libvirt
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report multiFd related thread pid to libvirt in order to
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pin multiFd thread to different cpu.
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Signed-off-by:zhengchuan<zhengchuan@huawei.com>
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---
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migration/multifd.c | 4 ++++
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qapi/migration.json | 12 ++++++++++++
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2 files changed, 16 insertions(+)
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diff --git a/migration/multifd.c b/migration/multifd.c
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index 409460684f..7d373a245e 100644
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--- a/migration/multifd.c
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+++ b/migration/multifd.c
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@@ -17,6 +17,7 @@
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#include "exec/ramblock.h"
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#include "qemu/error-report.h"
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#include "qapi/error.h"
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+#include "qapi/qapi-events-migration.h"
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#include "ram.h"
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#include "migration.h"
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#include "migration-stats.h"
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@@ -657,6 +658,9 @@ static void *multifd_send_thread(void *opaque)
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thread = migration_threads_add(p->name, qemu_get_thread_id());
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+ /* report multifd thread pid to libvirt */
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+ qapi_event_send_migration_multifd_pid(qemu_get_thread_id());
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+
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trace_multifd_send_thread_start(p->id);
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rcu_register_thread();
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diff --git a/qapi/migration.json b/qapi/migration.json
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index b442d0d878..5d0855a1d8 100644
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--- a/qapi/migration.json
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+++ b/qapi/migration.json
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@@ -1447,6 +1447,18 @@
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{ 'event': 'MIGRATION_PASS',
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'data': { 'pass': 'int' } }
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+##
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+# @MIGRATION_MULTIFD_PID:
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+#
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+# Emitted when multifd thread appear
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+#
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+# @pid: pid of multifd thread
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+#
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+# Since: EulerOS Virtual
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+##
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+{ 'event': 'MIGRATION_MULTIFD_PID',
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+ 'data': { 'pid': 'int' } }
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+
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##
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# @MIGRATION_PID:
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#
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--
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2.27.0
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