From 69c374f573b07441d589515e915a5f078fccadcc Mon Sep 17 00:00:00 2001
From: wanyaoqi <18528551+wanyaoqi@users.noreply.github.com>
Date: Sun, 1 Feb 2026 20:25:02 +0800
Subject: [PATCH] fix(host): live migrate add timeout (#24127)

---
 pkg/hostman/guestman/guesttasks.go | 26 +++++++++++++++++++++++++-
 pkg/hostman/options/options.go     |  6 ++++--
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/pkg/hostman/guestman/guesttasks.go b/pkg/hostman/guestman/guesttasks.go
index 95439a9059..e554c2fe8a 100644
--- a/pkg/hostman/guestman/guesttasks.go
+++ b/pkg/hostman/guestman/guesttasks.go
@@ -1169,7 +1169,22 @@ func (s *SGuestLiveMigrateTask) onSetAutoConverge(res string) {
 		return
 	}
 
-	// https://wiki.qemu.org/Features/AutoconvergeLiveMigration
+	s.Monitor.MigrateSetParameter("cpu-throttle-initial", options.HostOptions.LiveMigrateCpuThrottleInitial, s.onSetCpuThrottleInitial)
+}
+
+func (s *SGuestLiveMigrateTask) onSetCpuThrottleInitial(res string) {
+	if strings.Contains(strings.ToLower(res), "error") {
+		s.migrateFailed(fmt.Sprintf("Migrate set params cpu-throttle-initial error: %s", res))
+		return
+	}
+	s.Monitor.MigrateSetParameter("cpu-throttle-increment", options.HostOptions.LiveMigrateCpuThrottleIncrement, s.onSetCpuThrottleIncrement)
+}
+
+func (s *SGuestLiveMigrateTask) onSetCpuThrottleIncrement(res string) {
+	if strings.Contains(strings.ToLower(res), "error") {
+		s.migrateFailed(fmt.Sprintf("Migrate set params cpu-throttle-increment error: %s", res))
+		return
+	}
 	s.Monitor.MigrateSetCapability("events", "on", s.onMigrateEnableEvents)
 }
 
@@ -1355,6 +1370,7 @@ func (s *SGuestLiveMigrateTask) startMigrateStatusCheck(res string) {
 		s.migrateFailed(fmt.Sprintf("Migrate error: %s", res))
 		return
 	}
+	s.startRamMigrateTimeout()
 
 	s.c = make(chan struct{})
 	for s.c != nil {
@@ -1401,6 +1417,14 @@ func (s *SGuestLiveMigrateTask) onGetMigrateStatus(stats *monitor.MigrationInfo)
 	} else if status == "cancelled" {
 		s.migrateFailed(status)
 	} else if status == "active" {
+		if !s.doTimeoutMigrate && s.timeoutAt.Before(time.Now()) {
+			s.Monitor.SimpleCommand("stop", s.onMigrateStartPostcopy)
+			s.doTimeoutMigrate = true
+		}
+		if s.doTimeoutMigrate {
+			return
+		}
+
 		var (
 			ramRemain int64
 			mbps      float64
diff --git a/pkg/hostman/options/options.go b/pkg/hostman/options/options.go
index 609998e69b..b0b60f5d1b 100644
--- a/pkg/hostman/options/options.go
+++ b/pkg/hostman/options/options.go
@@ -32,8 +32,10 @@ type SHostBaseOptions struct {
 
 	DisableSecurityGroup bool `help:"disable security group" default:"false"`
 
-	HostCpuPassthrough        bool  `default:"true" help:"if it is true, set qemu cpu type as -cpu host, otherwise, qemu64. default is true"`
-	LiveMigrateCpuThrottleMax int64 `default:"99" help:"live migrate auto converge cpu throttle max"`
+	HostCpuPassthrough              bool  `default:"true" help:"if it is true, set qemu cpu type as -cpu host, otherwise, qemu64. default is true"`
+	LiveMigrateCpuThrottleMax       int64 `default:"99" help:"live migrate auto converge cpu throttle max"`
+	LiveMigrateCpuThrottleInitial   int64 `default:"60" help:"live migrate auto convert cpu throttle initial"`
+	LiveMigrateCpuThrottleIncrement int64 `default:"20" help:"live migrate auto convert cpu throttle increment"`
 
 	DefaultQemuVersion string `help:"Default qemu version" default:"4.2.0"`
 	NoHpet             bool   `help:"Disable qemu hpet timer" default:"true"`