[Misc] Add uninitialized params tracking for AutoWeightsLoader (#10327)

Signed-off-by: Isotr0py <2037008807@qq.com>

vllm/model_executor/models/bert.py

@@ -1,4 +1,4 @@
-from typing import Iterable, List, Optional, Tuple
+from typing import Iterable, List, Optional, Set, Tuple
 
 import torch
 from torch import nn
@@ -337,7 +337,8 @@ class BertModel(nn.Module):
 
         return self.encoder(hidden_states, kv_caches, attn_metadata)
 
-    def load_weights(self, weights: Iterable[Tuple[str, torch.Tensor]]):
+    def load_weights(self, weights: Iterable[Tuple[str,
+                                                   torch.Tensor]]) -> Set[str]:
         stacked_params_mapping = [
             # (param_name, shard_name, shard_id)
             ("qkv_proj", "query", "q"),
@@ -346,6 +347,7 @@ class BertModel(nn.Module):
         ]
 
         params_dict = dict(self.named_parameters())
+        loaded_params: Set[str] = set()
         for name, loaded_weight in weights:
             if "pooler" in name:
                 continue
@@ -368,6 +370,8 @@ class BertModel(nn.Module):
                 weight_loader = getattr(param, "weight_loader",
                                         default_weight_loader)
                 weight_loader(param, loaded_weight)
+            loaded_params.add(name)
+        return loaded_params
 
 
 class BertEmbeddingModel(nn.Module):