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-rw-r--r--hmp.c5
-rw-r--r--migration/migration.c5
-rw-r--r--qapi-schema.json7
3 files changed, 16 insertions, 1 deletions
diff --git a/hmp.c b/hmp.c
index 48ce37239e..5048eeeb2d 100644
--- a/hmp.c
+++ b/hmp.c
@@ -232,6 +232,11 @@ void hmp_info_migrate(Monitor *mon, const QDict *qdict)
                        info->xbzrle_cache->overflow);
     }
 
+    if (info->has_x_cpu_throttle_percentage) {
+        monitor_printf(mon, "cpu throttle percentage: %" PRIu64 "\n",
+                       info->x_cpu_throttle_percentage);
+    }
+
     qapi_free_MigrationInfo(info);
     qapi_free_MigrationCapabilityStatusList(caps);
 }
diff --git a/migration/migration.c b/migration/migration.c
index e8292319ae..c7472ed208 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -447,6 +447,11 @@ MigrationInfo *qmp_query_migrate(Error **errp)
             info->disk->total = blk_mig_bytes_total();
         }
 
+        if (cpu_throttle_active()) {
+            info->has_x_cpu_throttle_percentage = true;
+            info->x_cpu_throttle_percentage = cpu_throttle_get_percentage();
+        }
+
         get_xbzrle_cache_stats(info);
         break;
     case MIGRATION_STATUS_COMPLETED:
diff --git a/qapi-schema.json b/qapi-schema.json
index 646c0fa572..8b0520c2d0 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -480,6 +480,10 @@
 #        may be expensive, but do not actually occur during the iterative
 #        migration rounds themselves. (since 1.6)
 #
+# @x-cpu-throttle-percentage: #optional percentage of time guest cpus are being
+#       throttled during auto-converge. This is only present when auto-converge
+#       has started throttling guest cpus. (Since 2.5)
+#
 # Since: 0.14.0
 ##
 { 'struct': 'MigrationInfo',
@@ -489,7 +493,8 @@
            '*total-time': 'int',
            '*expected-downtime': 'int',
            '*downtime': 'int',
-           '*setup-time': 'int'} }
+           '*setup-time': 'int',
+           '*x-cpu-throttle-percentage': 'int'} }
 
 ##
 # @query-migrate