internal/cache: dump goroutines in cache entry leak error

cockroachdb · Dec 12, 2024 · cb24a4f · cb24a4f
1 parent f4e9e04
commit cb24a4f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/internal/cache/entry.go b/internal/cache/entry.go
@@ -180,7 +180,9 @@ func entryAllocNew() *entry {
 		invariants.SetFinalizer(e, func(obj interface{}) {
 			e := obj.(*entry)
 			if *e != (entry{}) {
-				fmt.Fprintf(os.Stderr, "%p: entry was not freed", e)
+				buf := make([]byte, 256<<10)
+				n := runtime.Stack(buf, true)
+				fmt.Fprintf(os.Stderr, "%p: entry was not freed\n%s", e, string(buf[:n]))
 				os.Exit(1)
 			}
 		})