在用户提供 Chrome/Perfetto trace.json、或排查 Ascend 上 MoE/FusedDeepMoe 等算子性能时使用。按 phase、category、core group、tid 统计耗时、overlap、bubble,输出 CSV、Markdown 报告与确定性诊断;可选外部 LLM 扩写分析。默认 phase 映射面向 UMDK FusedDeepMoe,其它 trace 需替换或扩展 config/phase_map.yaml。
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