diff --git a/graph_net/paddle/sample_pass/op_names_extractor.py b/graph_net/paddle/sample_pass/op_names_extractor.py
new file mode 100644
index 000000000..8d907f9ca
--- /dev/null
+++ b/graph_net/paddle/sample_pass/op_names_extractor.py
@@ -0,0 +1,93 @@
+import os
+from pathlib import Path
+from typing import List
+import paddle
+
+from graph_net import imp_util
+from graph_net.paddle import utils
+from graph_net.sample_pass.sample_pass import SamplePass
+from graph_net.sample_pass.resumable_sample_pass_mixin import ResumableSamplePassMixin
+
+
+def load_class_from_file(file_path: str, class_name: str):
+    print(f"Load {class_name} from {file_path}")
+    module = imp_util.load_module(file_path, "unnamed")
+    model_class = getattr(module, class_name, None)
+    setattr(model_class, "__graph_net_file_path__", os.path.normpath(file_path))
+    return model_class
+
+
+def get_input_spec(model_path):
+    inputs_params_list = utils.load_converted_list_from_text(f"{model_path}")
+    input_spec = [None] * len(inputs_params_list)
+    for i, v in enumerate(inputs_params_list):
+        dtype = v["info"]["dtype"]
+        shape = v["info"]["shape"]
+        input_spec[i] = paddle.static.InputSpec(shape, dtype)
+    return input_spec
+
+
+class OpNamesExtractor(SamplePass, ResumableSamplePassMixin):
+    def __init__(self, config=None):
+        super().__init__(config)
+
+    def declare_config(
+        self,
+        model_path_prefix: str,
+        output_dir: str,
+        resume: bool = False,
+        limits_handled_models: int = None,
+    ):
+        pass
+
+    def sample_handled(self, rel_model_path: str) -> bool:
+        return self.naive_sample_handled(
+            rel_model_path, search_file_name="op_names.txt"
+        )
+
+    def resume(self, rel_model_path: str):
+        model_path = os.path.join(self.config["model_path_prefix"], rel_model_path)
+        op_names = self._extract_ops(model_path)
+        output_path = self._get_output_path(rel_model_path)
+        output_path.write_text("\n".join(op_names))
+        print(f"Save op-names to {str(output_path)}")
+
+    def __call__(self, rel_model_path: str):
+        self.resumable_handle_sample(rel_model_path)
+
+    def _get_output_path(self, rel_model_path: str):
+        output_path_dir = Path(self.config["output_dir"]) / rel_model_path
+        output_path_dir.mkdir(parents=True, exist_ok=True)
+        output_path = output_path_dir / "op_names.txt"
+        return output_path
+
+    def _get_static_program(self, model_path):
+        model_class = load_class_from_file(
+            os.path.join(model_path, "model.py"), "GraphModule"
+        )
+        model = model_class()
+        model.eval()
+
+        static_model = paddle.jit.to_static(
+            model,
+            input_spec=get_input_spec(model_path),
+            full_graph=True,
+            backend=None,
+        )
+        static_model.eval()
+        program = static_model.forward.concrete_program.main_program
+        return program
+
+    def _extract_ops(self, model_path: str) -> List[str]:
+        program = self._get_static_program(model_path)
+
+        operator_list = []
+        for block in program.blocks:
+            for op in block.ops:
+                if op.name() == "pd_op.data":
+                    pass
+                elif op.name().startswith("pd_op."):
+                    operator_list.append(op.name().replace("pd_op.", ""))
+                elif not op.name().startswith("builtin."):
+                    assert False, f"Unrecognized op: {op}"
+        return operator_list
diff --git a/graph_net/test/op_name_extractor_test.sh b/graph_net/test/op_name_extractor_test.sh
index 5b93dbf66..26dedbb8a 100755
--- a/graph_net/test/op_name_extractor_test.sh
+++ b/graph_net/test/op_name_extractor_test.sh
@@ -2,25 +2,29 @@
 set -x
 
 GRAPH_NET_ROOT=$(python3 -c "import graph_net; import os; print(os.path.dirname(os.path.dirname(graph_net.__file__)))")
-DECOMPOSE_PATH=/tmp/decompose_workspace
-# DECOMPOSE_PATH=$GRAPH_NET_ROOT/decompose_test_level5_100
+OUTPUT_PATH=/tmp/op_names_workspace
 
-mkdir -p "$DECOMPOSE_PATH"
-
-model_list="$GRAPH_NET_ROOT/graph_net/test/dev_model_list/cumsum_num_kernels_sample_list.txt"
+model_list="$GRAPH_NET_ROOT/graph_net/config/small10_torch_samples_list.txt"
 
 python3 -m graph_net.model_path_handler \
     --model-path-list $model_list \
     --handler-config=$(base64 -w 0 <<EOF
 {
-    "handler_path": "$GRAPH_NET_ROOT/graph_net/torch/typical_sequence_split_points.py",
+    "handler_path": "$GRAPH_NET_ROOT/graph_net/torch/sample_pass/op_names_extractor.py",
     "handler_class_name": "OpNamesExtractor",
     "handler_config": {
-        "resume": true,
+        "resume": false,
         "model_path_prefix": "$GRAPH_NET_ROOT",
-        "output_dir": "$DECOMPOSE_PATH"
+        "output_dir": "$OUTPUT_PATH",
+        "limits_handled_models": 1
     }
 }
 EOF
 )
 
+# Fix all op_names.txt to append a newline character at the end.
+find ${OUTPUT_PATH} -name op_names.txt -type f -exec sh -c '
+  tail -c1 "$1" | read -r _ || echo >> "$1"
+' sh {} \;
+
+find ${OUTPUT_PATH} -name op_names.txt -type f -exec cat {} + | sort | uniq -c | sort -nr > ${OUTPUT_PATH}/op_names_freq.txt