Add logging for queue submit and complet counts

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/engines/guasi.c b/engines/guasi.c
index e0bcaf4..b65061e 100644
--- a/engines/guasi.c
+++ b/engines/guasi.c
@@ -141,6 +141,7 @@
 	struct io_u *io_u;
 	struct timeval now;
 
+	io_u_mark_submit(td, nr);
 	fio_gettime(&now, NULL);
 	for (i = 0; i < nr; i++) {
 		io_u = io_us[i];