Support profiling the testing/validation process of all ranks by ProfilerHook. 让 ProfilerHook 支持 profile 多进程的测试、训练过程

[OpenMMLab-Assistant-004]

Support profiling the testing/validation process of all ranks by ProfilerHook.

让 ProfilerHook 支持 profile 多进程的测试、训练过程

Support profiling the testing/validation process of all ranks by `ProfilerHook.[open-mmlab/mmengine#1087](https://github.com/open-mmlab/mmengine/issues/1087](https://github.com/open-mmlab/mmengine/issues/1087))

支持通过“ProfilerHook”分析所有进程的测试/验证过程。

具体请见：[open-mmlab/mmengine#1087](https://github.com/open-mmlab/mmengine/issues/1087](https://github.com/open-mmlab/mmengine/issues/1087))

Task Information

Repository：MMEngine

Difficulty：Medium

Points：30

Estimated Time Consumption：14 days

Task Status

Claimant's Github ID：None

Claim Time：None

PR Link：None

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