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Blue Space 545f899844 [BREAKING] [perf] refactor: Profiler api refactor (#2894)
### What does this PR do?

Refactor profiler CI to a unified way.

TODO:

- nsys use `save_path`
- nsys descrete tests are disabled
- torch profiler

cc: @davidmlw 

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### Test

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### API and Usage Example

Global profiler config:

```yaml
global_profiler:
  _target_: verl.utils.profiler.ProfilerConfig
  tool: null
  steps: null
  profile_continuous_steps: false
  save_path: outputs/profile
  tool_config:
    nsys:
      _target_: verl.utils.profiler.config.NsightToolConfig
      discrete: false
    npu:
      _target_: verl.utils.profiler.config.NPUToolConfig
      discrete: false
      contents: []
      level: level1
      analysis: true
    torch:
      _target_: verl.utils.profiler.config.TorchProfilerToolConfig
      step_start: 0
      step_end: null
```

Local profiler config:

```yaml
profiler:

  # Required when using verl.utils.omega_conf_to_dataclass to instantiate dataclass configs
  _target_: verl.utils.profiler.ProfilerConfig

  # profiler tool, default same as profiler.tool in global config
  # choices: nsys, npu, torch
  tool: ${oc.select:global_profiler.tool,null}

  # whether enable profile on critic
  enable: False

  # Whether to profile all ranks.
  all_ranks: False

  # The ranks that will be profiled. [] or [0,1,...]
  ranks: []

  # profile results saving path
  save_path: ${oc.select:global_profiler.save_path,null}

  # specific tool config
  tool_config: ${oc.select:global_profiler.tool_config,null}
```

### Design & Code Changes

> Demonstrate the high-level design if this PR is complex, and list the
specific changes.

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2025-08-11 09:52:41 +08:00

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