Toggle the recording of allocation stacks. Subsequent heap snapshots will be able to label and group objects created when allocation stack recording is active by their allocation stack. Recording allocation stacks has a performance overhead.
切换分配堆的记录。当分配堆的记录已被激活时，堆(heap)快照将以标签和组对象的形式创建。记录分配堆存在性能开销。