[feature] need rope_scaling_factor args in benchmark/profile_generation.py to enable dynamic NTK.

### Checklist

- [ ] 1. I have searched related issues but cannot get the expected help.
- [ ] 2. The bug has not been fixed in the latest version.

### Describe the bug

I want do generation benchmark on longtext input, but rope_scaling_factor is not in command args.

### Reproduction

no need

### Environment

```Shell
no need
```

### Error traceback

_No response_