[PATCH v1 7/7] migration/tls: add trace points for multifd-tls

[Chuan Zheng <zhengchuan@huawei.com>]

add trace points for multifd-tls for debug.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Signed-off-by: Yan Jin <jinyan12@huawei.com>
---
 migration/multifd.c    | 10 +++++++++-
 migration/trace-events |  5 +++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/migration/multifd.c b/migration/multifd.c
index 2509187..26935b6 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -730,7 +730,11 @@ static void multifd_tls_outgoing_handshake(QIOTask *task,
     QIOChannel *ioc = QIO_CHANNEL(qio_task_get_source(task));
     Error *err = NULL;
 
-    qio_task_propagate_error(task, &err);
+    if (qio_task_propagate_error(task, &err)) {
+        trace_multifd_tls_outgoing_handshake_error(error_get_pretty(err));
+    } else {
+        trace_multifd_tls_outgoing_handshake_complete();
+    }
     multifd_channel_connect(p, ioc, err);
 }
 
@@ -747,6 +751,7 @@ static void multifd_tls_channel_connect(MultiFDSendParams *p,
         return;
     }
 
+    trace_multifd_tls_outgoing_handshake_start(hostname);
     qio_channel_set_name(QIO_CHANNEL(tioc), "multifd-tls-outgoing");
     qio_channel_tls_handshake(tioc,
                               multifd_tls_outgoing_handshake,
@@ -762,6 +767,9 @@ static bool multifd_channel_connect(MultiFDSendParams *p,
 {
     MigrationState *s = p->s;
 
+    trace_multifd_set_outgoing_channel(
+        ioc, object_get_typename(OBJECT(ioc)), s->hostname, error);
+
     if (!error) {
         if (s->parameters.tls_creds &&
             *s->parameters.tls_creds &&
diff --git a/migration/trace-events b/migration/trace-events
index 4ab0a50..860d2c4 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -109,6 +109,11 @@ multifd_send_sync_main_wait(uint8_t id) "channel %d"
 multifd_send_terminate_threads(bool error) "error %d"
 multifd_send_thread_end(uint8_t id, uint64_t packets, uint64_t pages) "channel %d packets %" PRIu64 " pages %"  PRIu64
 multifd_send_thread_start(uint8_t id) "%d"
+multifd_tls_outgoing_handshake_start(const char *hostname) "hostname=%s"
+multifd_tls_outgoing_handshake_error(const char *err) "err=%s"
+multifd_tls_outgoing_handshake_complete(void) ""
+multifd_set_outgoing_channel(void *ioc, const char *ioctype, const char *hostname, void *err)  "ioc=%p ioctype=%s hostname=%s err=%p"
+
 ram_discard_range(const char *rbname, uint64_t start, size_t len) "%s: start: %" PRIx64 " %zx"
 ram_load_loop(const char *rbname, uint64_t addr, int flags, void *host) "%s: addr: 0x%" PRIx64 " flags: 0x%x host: %p"
 ram_load_postcopy_loop(uint64_t addr, int flags) "@%" PRIx64 " %x"
-- 
1.8.3.1