Change to _ instead of removing

Author: nv-hwoo

src/c++/perf_analyzer/genai-perf/genai_perf/parser.py

@@ -141,7 +141,7 @@ def _set_artifact_paths(args: argparse.Namespace) -> argparse.Namespace:
     if args.artifact_dir == Path(DEFAULT_ARTIFACT_DIR):
         # Preprocess Huggingface model names that include '/' in their model name.
         if (args.model is not None) and ("/" in args.model):
-            filtered_name = args.model.split("/")[-1]
+            filtered_name = "_".join(args.model.split("/"))
             logger.info(
                 f"Model name '{args.model}' cannot be used to create artifact "
                 f"directory. Instead, '{filtered_name}' will be used."

src/c++/perf_analyzer/genai-perf/tests/test_cli.py

@@ -251,19 +251,19 @@ def test_default_profile_export_filepath(
         "arg, expected_path",
         [
             (
-                ["--model", "company/test_model"],
-                "artifacts/test_model-triton-tensorrtllm-concurrency1",
+                ["--model", "strange/test_model"],
+                "artifacts/strange_test_model-triton-tensorrtllm-concurrency1",
             ),
             (
                 [
                     "--model",
-                    "company/test_model",
+                    "hello/world/test_model",
                     "--service-kind",
                     "openai",
                     "--endpoint-type",
                     "chat",
                 ],
-                "artifacts/test_model-openai-chat-concurrency1",
+                "artifacts/hello_world_test_model-openai-chat-concurrency1",
             ),
         ],
     )