torch_profiler.patch

diff --git a/python/sglang/srt/managers/scheduler.py b/python/sglang/srt/managers/scheduler.py
index 62d1ff9..6ecd78c 100644
--- a/python/sglang/srt/managers/scheduler.py
+++ b/python/sglang/srt/managers/scheduler.py
@@ -240,7 +240,6 @@ class Scheduler:
             )
             self.profiler = torch.profiler.profile(
                 activities=[
-                    torch.profiler.ProfilerActivity.CPU,
                     torch.profiler.ProfilerActivity.CUDA,
                 ],
                 with_stack=True,
@@ -1033,9 +1032,11 @@ class Scheduler:
         if self.profiler is None:
             raise RuntimeError("Profiler is not enabled.")
         self.profiler.stop()
-        self.profiler.export_chrome_trace(
-            self.torch_profiler_trace_dir + "/" + str(time.time()) + ".trace.json.gz"
-        )
+        if self.tp_rank == 0:
+            with open(f"stats_repro_{int(time.time())}.txt", "w") as f:
+                print(self.profiler.key_averages(group_by_input_shape=True).table(sort_by="cuda_time_total", row_limit=-1), file=f)
+                print("Profiling stats done.")
+
         logger.info("Profiler is done")