1 files changed, 1 insertions, 0 deletions
diff --git a/tx.go b/tx.go
index 45af14d..beb4cbb 100644
--- a/tx.go
+++ b/tx.go
@@ -47,6 +47,7 @@ func (tx *Tx) wait() {
 	}
 	tx.mu.Lock()
 	for tx.verify() {
+		expvars.Add("waits", 1)
 		tx.cond.Wait()
 	}
 	tx.mu.Unlock()