55 lines
1.4 KiB
Diff
55 lines
1.4 KiB
Diff
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From 16c188d246f8d74f3d25098effdb836cdeb17e16 Mon Sep 17 00:00:00 2001
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From: jipengfei <jipengfei_yewu@cmss.chinamobile.com>
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Date: Sat, 1 Jul 2023 13:08:53 +0800
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Subject: [PATCH] migration: report compress thread pid to libvirt
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Supports migrating compressed threads bound to physical cores,qemu need to tell libvirt the compress thread pids.
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Signed-off-by:jipengfei <jipengfei_yewu@cmss.chinamobile.com>
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---
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migration/ram.c | 3 +++
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qapi/migration.json | 13 +++++++++++++
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2 files changed, 16 insertions(+)
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diff --git a/migration/ram.c b/migration/ram.c
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index c3484ee1a9..c6c59b54d9 100644
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--- a/migration/ram.c
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+++ b/migration/ram.c
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@@ -755,6 +755,9 @@ static void *do_data_compress(void *opaque)
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RAMBlock *block;
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bool zero_page;
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+ /* report compress thread pids to libvirt */
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+ qapi_event_send_migration_compress_pid(qemu_get_thread_id());
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+
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qemu_mutex_lock(¶m->mutex);
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while (!param->quit) {
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if (param->block) {
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diff --git a/qapi/migration.json b/qapi/migration.json
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index 8e18fd30e4..e965f4329b 100644
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--- a/qapi/migration.json
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+++ b/qapi/migration.json
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@@ -1308,6 +1308,19 @@
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{ 'event': 'MIGRATION_PID',
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'data': { 'pid': 'int' } }
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+##
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+# @MIGRATION_COMPRESS_PID:
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+#
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+# Emitted when compress thread appear
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+#
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+# @pid: pid of compress thread
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+#
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+# Since: 6.2
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+##
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+{ 'event': 'MIGRATION_COMPRESS_PID',
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+ 'data': { 'pid': 'int' } }
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+
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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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2.41.0.windows.1
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