[Minor] Improve the function organization in TokenizerManager & improve loggers (#1208)

python/sglang/srt/managers/controller_multi.py

@@ -35,7 +35,7 @@ from sglang.srt.managers.io_struct import (
     TokenizedGenerateReqInput,
 )
 from sglang.srt.server_args import PortArgs, ServerArgs
-from sglang.srt.utils import kill_parent_process
+from sglang.srt.utils import configure_logger, kill_parent_process
 from sglang.utils import get_exception_traceback
 
 logger = logging.getLogger(__name__)
@@ -193,10 +193,7 @@ def start_controller_process(
 ):
     """Start a controller process."""
 
-    logging.basicConfig(
-        level=getattr(logging, server_args.log_level.upper()),
-        format="%(message)s",
-    )
+    configure_logger(server_args)
 
     try:
         controller = ControllerMulti(server_args, port_args, model_overide_args)