diff --git a/block/nbd.c b/block/nbd.c
index 7f5f50ec46..5849d312cc 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -371,6 +371,7 @@ static bool nbd_client_connecting(BDRVNBDState *s)
 /* Called with s->requests_lock taken.  */
 static coroutine_fn void nbd_reconnect_attempt(BDRVNBDState *s)
 {
+    int ret;
     bool blocking = s->state == NBD_CLIENT_CONNECTING_WAIT;
 
     /*
@@ -380,6 +381,8 @@ static coroutine_fn void nbd_reconnect_attempt(BDRVNBDState *s)
     assert(nbd_client_connecting(s));
     assert(s->in_flight == 1);
 
+    trace_nbd_reconnect_attempt(s->bs->in_flight);
+
     if (blocking && !s->reconnect_delay_timer) {
         /*
          * It's the first reconnect attempt after switching to
@@ -401,7 +404,8 @@ static coroutine_fn void nbd_reconnect_attempt(BDRVNBDState *s)
     }
 
     qemu_mutex_unlock(&s->requests_lock);
-    nbd_co_do_establish_connection(s->bs, blocking, NULL);
+    ret = nbd_co_do_establish_connection(s->bs, blocking, NULL);
+    trace_nbd_reconnect_attempt_result(ret, s->bs->in_flight);
     qemu_mutex_lock(&s->requests_lock);
 
     /*
diff --git a/block/trace-events b/block/trace-events
index 549090d453..48dbf10c66 100644
--- a/block/trace-events
+++ b/block/trace-events
@@ -172,6 +172,8 @@ nbd_read_reply_entry_fail(int ret, const char *err) "ret = %d, err: %s"
 nbd_co_request_fail(uint64_t from, uint32_t len, uint64_t handle, uint16_t flags, uint16_t type, const char *name, int ret, const char *err) "Request failed { .from = %" PRIu64", .len = %" PRIu32 ", .handle = %" PRIu64 ", .flags = 0x%" PRIx16 ", .type = %" PRIu16 " (%s) } ret = %d, err: %s"
 nbd_client_handshake(const char *export_name) "export '%s'"
 nbd_client_handshake_success(const char *export_name) "export '%s'"
+nbd_reconnect_attempt(unsigned in_flight) "in_flight %u"
+nbd_reconnect_attempt_result(int ret, unsigned in_flight) "ret %d in_flight %u"
 
 # ssh.c
 ssh_restart_coroutine(void *co) "co=%p"
diff --git a/nbd/client-connection.c b/nbd/client-connection.c
index 2a632931c3..0c5f917efa 100644
--- a/nbd/client-connection.c
+++ b/nbd/client-connection.c
@@ -23,6 +23,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "trace.h"
 
 #include "block/nbd.h"
 
@@ -210,6 +211,7 @@ static void *connect_thread_func(void *opaque)
             object_unref(OBJECT(conn->sioc));
             conn->sioc = NULL;
             if (conn->do_retry && !conn->detached) {
+                trace_nbd_connect_thread_sleep(timeout);
                 qemu_mutex_unlock(&conn->mutex);
 
                 sleep(timeout);
diff --git a/nbd/trace-events b/nbd/trace-events
index c4919a2dd5..b7032ca277 100644
--- a/nbd/trace-events
+++ b/nbd/trace-events
@@ -73,3 +73,6 @@ nbd_co_receive_request_decode_type(uint64_t handle, uint16_t type, const char *n
 nbd_co_receive_request_payload_received(uint64_t handle, uint32_t len) "Payload received: handle = %" PRIu64 ", len = %" PRIu32
 nbd_co_receive_align_compliance(const char *op, uint64_t from, uint32_t len, uint32_t align) "client sent non-compliant unaligned %s request: from=0x%" PRIx64 ", len=0x%" PRIx32 ", align=0x%" PRIx32
 nbd_trip(void) "Reading request"
+
+# client-connection.c
+nbd_connect_thread_sleep(uint64_t timeout) "timeout %" PRIu64