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A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 13, 04:30 UTC

[Log] Save profiler results to file instead of stdout (#28144)

Signed-off-by: Randall Smith <ransmith@amd.com> Co-authored-by: Randall Smith <ransmith@amd.com>

rasmith committed Nov 14, 2025 at 17:26 UTC ba041d980b5677a0ab6cebb3c7fe24cfe27bac66
1 file changed +13 -8
vllm/v1/worker/gpu_worker.py
+13 -8
@@ -596,14 +596,19 @@ class Worker(WorkerBase):
596 self.profiler.start()
597 else:
598 self.profiler.stop()
599 - # only print profiler results on rank 0
600 - if (
601 - isinstance(self.profiler, torch.profiler.profile)
602 - and self.local_rank == 0
603 - ):
604 - print(
605 - self.profiler.key_averages().table(sort_by="self_cuda_time_total")
606 - )
599 + if isinstance(self.profiler, torch.profiler.profile):
600 + rank = self.local_rank
601 + profiler_dir = envs.VLLM_TORCH_PROFILER_DIR
602 + profiler_out_file = f"{profiler_dir}/profiler_out_{rank}.txt"
603 + sort_key = "self_cuda_time_total"
604 + table = self.profiler.key_averages().table(sort_by=sort_key)
605 +
606 + with open(profiler_out_file, "w") as f:
607 + print(table, file=f)
608 +
609 + # only print profiler results on rank 0
610 + if rank == 0:
611 + print(table)
612
613 def execute_dummy_batch(self) -> None:
614 self.model_runner._dummy_run(1, uniform_decode=True)