[Feature] Simple Improve Health Check Mechanism for Production-Grade Stability (#8115)

Signed-off-by: ybyang <ybyang7@iflytek.com>

python/sglang/srt/managers/scheduler.py

@@ -143,6 +143,7 @@ from sglang.srt.two_batch_overlap import TboDPAttentionPreparer
 from sglang.srt.utils import (
     DeepEPMode,
     DynamicGradMode,
+    ServerStatus,
     broadcast_pyobj,
     configure_gc_logger,
     configure_logger,
@@ -154,6 +155,7 @@ from sglang.srt.utils import (
     kill_itself_when_parent_died,
     point_to_point_pyobj,
     pyspy_dump_schedulers,
+    report_health,
     require_mlp_sync,
     require_mlp_tp_gather,
     set_gpu_proc_affinity,
@@ -2964,4 +2966,5 @@ def run_scheduler_process(
     except Exception:
         traceback = get_exception_traceback()
         logger.error(f"Scheduler hit an exception: {traceback}")
+        report_health(ServerStatus.Crashed, server_args.host, ServerArgs.port)
         parent_process.send_signal(signal.SIGQUIT)