55 lines
1.4 KiB
Diff
55 lines
1.4 KiB
Diff
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From f8bc91f17630ddf9272fba600f4452a3871b3fec 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 20:52:25 +0800
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Subject: [PATCH 4/5] migration: report migration related thread pid to libvirt
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in order to control migration thread cgroup,
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we need to report migration related thread pid to libvirt
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Signed-off-by:zhengchuan<zhengchuan@huawei.com>
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---
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migration/migration.c | 3 +++
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qapi/migration.json | 12 ++++++++++++
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2 files changed, 15 insertions(+)
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diff --git a/migration/migration.c b/migration/migration.c
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index f86dd8cccd..33d5832e47 100644
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--- a/migration/migration.c
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+++ b/migration/migration.c
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@@ -3823,6 +3823,9 @@ static void *migration_thread(void *opaque)
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MigThrError thr_error;
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bool urgent = false;
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+ /* report migration thread pid to libvirt */
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+ qapi_event_send_migration_pid(qemu_get_thread_id());
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+
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rcu_register_thread();
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object_ref(OBJECT(s));
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diff --git a/qapi/migration.json b/qapi/migration.json
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index fee266017d..48e3d36d39 100644
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--- a/qapi/migration.json
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+++ b/qapi/migration.json
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@@ -1284,6 +1284,18 @@
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{ 'event': 'MIGRATION_PASS',
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'data': { 'pass': 'int' } }
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+##
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+# @MIGRATION_PID:
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+#
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+# Emitted when migration thread appear
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+#
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+# @pid: pid of migration thread
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+#
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+# Since: EulerOS Virtual
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+##
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+{ 'event': 'MIGRATION_PID',
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+ 'data': { 'pid': 'int' } }
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+
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##
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# @COLOMessage:
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#
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--
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2.27.0
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