[Qemu-devel] [PATCH 2/2] migration: Trace event and migration event are different things

[Juan Quintela <quintela@redhat.com>]

We can want the trace event even without migration events enabled.

Reported-by:  Wen Congyang <ghostwcy@gmail.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/migration.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/migration/migration.c b/migration/migration.c
index ede432e..ba82ff6 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -216,7 +216,6 @@ static void migrate_generate_event(int new_state)
 {
     if (migrate_use_events()) {
         qapi_event_send_migration(new_state, &error_abort);
-        trace_migrate_set_state(new_state);
     }
 }

@@ -528,6 +527,7 @@ void qmp_migrate_set_parameters(bool has_compress_level,
 static void migrate_set_state(MigrationState *s, int old_state, int new_state)
 {
     if (atomic_cmpxchg(&s->state, old_state, new_state) == old_state) {
+        trace_migrate_set_state(new_state);
         migrate_generate_event(new_state);
     }
 }
-- 
2.4.3