log recompile reason to dynamo_compile (#146117)

Summary:
X-link: pytorch/pytorch#146117
Approved by: https://github.com/bobrenjc93

Reviewed By: atalman

Differential Revision: D69088149

fbshipit-source-id: 2ad883a38578dd351e5226a9cc18058c46a2fb79

Author: xmfan

userbenchmark/dynamo/dynamobench/_dynamo/utils.py

@@ -1188,6 +1188,7 @@ class CompilationMetrics:
     tensorify_float_success: Optional[bool] = None
     tensorify_float_failure: Optional[set[str]] = None
     guard_latency_us: Optional[float] = None
+    recompile_reason: Optional[str] = None
 
     @classmethod
     def create(cls, metrics: dict[str, Any]):