Add the ability to enable and disable the Profiler via HTTP API. (#1626)

python/sglang/srt/managers/io_struct.py

@@ -20,6 +20,7 @@ processes (TokenizerManager, DetokenizerManager, Controller).
 
 import uuid
 from dataclasses import dataclass
+from enum import Enum
 from typing import Dict, List, Optional, Union
 
 from sglang.srt.managers.schedule_batch import BaseFinishReason
@@ -343,3 +344,8 @@ class UpdateWeightReqOutput:
 class AbortReq:
     # The request id
     rid: str
+
+
+class ProfileReq(Enum):
+    START_PROFILE = 1
+    STOP_PROFILE = 2