[PULL 08/12] migration: Add a trace for migration_transferred_bytes

[Juan Quintela <quintela@redhat.com>]

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20230515195709.63843-8-quintela@redhat.com>
---
 migration/migration-stats.c | 7 ++++++-
 migration/trace-events      | 3 +++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/migration/migration-stats.c b/migration/migration-stats.c
index 39e98d6fa9..feec7d7369 100644
--- a/migration/migration-stats.c
+++ b/migration/migration-stats.c
@@ -13,6 +13,7 @@
 #include "qemu/osdep.h"
 #include "qemu/stats64.h"
 #include "qemu-file.h"
+#include "trace.h"
 #include "migration-stats.h"
 
 MigrationAtomicStats mig_stats;
@@ -62,5 +63,9 @@ void migration_rate_account(uint64_t len)
 
 uint64_t migration_transferred_bytes(QEMUFile *f)
 {
-    return qemu_file_transferred(f) + stat64_get(&mig_stats.multifd_bytes);
+    uint64_t multifd = stat64_get(&mig_stats.multifd_bytes);
+    uint64_t qemu_file = qemu_file_transferred(f);
+
+    trace_migration_transferred_bytes(qemu_file, multifd);
+    return qemu_file + multifd;
 }
diff --git a/migration/trace-events b/migration/trace-events
index f39818c329..cdaef7a1ea 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -186,6 +186,9 @@ process_incoming_migration_co_end(int ret, int ps) "ret=%d postcopy-state=%d"
 process_incoming_migration_co_postcopy_end_main(void) ""
 postcopy_preempt_enabled(bool value) "%d"
 
+# migration-stats
+migration_transferred_bytes(uint64_t qemu_file, uint64_t multifd) "qemu_file %" PRIu64 " multifd %" PRIu64
+
 # channel.c
 migration_set_incoming_channel(void *ioc, const char *ioctype) "ioc=%p ioctype=%s"
 migration_set_outgoing_channel(void *ioc, const char *ioctype, const char *hostname, void *err)  "ioc=%p ioctype=%s hostname=%s err=%p"
-- 
2.40.1