Add nfsstore bandwidth testing script

Author: zhou-haitao

ucm/store/test/e2e/nfsstore_embed_fetch_run.py

@@ -76,7 +76,14 @@ def main():
                         io_num = int(num_tokens / block_len * block_layer)
 
                         # Run test and get results
-                        avg_w_size, avg_w_time, avg_w_bw, avg_r_time, avg_r_bw, avg_r_size = run(
+                        (
+                            avg_w_size,
+                            avg_w_time,
+                            avg_w_bw,
+                            avg_r_time,
+                            avg_r_bw,
+                            avg_r_size,
+                        ) = run(
                             storage_backends,
                             device_id,
                             repeat,
@@ -86,7 +93,7 @@ def main():
                             num_tokens,
                             block_layer,
                             head_size,
-                            block_elem_size
+                            block_elem_size,
                         )
 
                         writer.writerow(
@@ -117,4 +124,4 @@ def main():
 
 if __name__ == "__main__":
     os.environ["UC_LOGGER_LEVEL"] = "debug"
-    main()
+    main()