---
title: aclprofStepTag
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_1379.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_1379.html
indexId: 37443453cd383498051d9b17bc2c76e434d783c050bc21ddb5ff042213c2dc3e68
---
# aclprofStepTag

```
typedef enum{
    ACL_STEP_START = 0, // step  start
    ACL_STEP_END = 1    // step  end
} aclprofStepTag;
```

同一个aclprofStepInfo对象、同一个tag只能设置一次，否则Profiling解析会出错。