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[UX] improve profiler error message (#31125)

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Signed-off-by: Boyuan Feng <boyuan@meta.com>
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Boyuan Feng 2025-12-22 08:45:59 -08:00 committed by GitHub
parent 022f3cea53
commit 8dd0db687b
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1 changed files with 6 additions and 1 deletions
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7
vllm/v1/worker/gpu_worker.py
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@ -634,7 +634,12 @@ class Worker(WorkerBase):
def profile(self, is_start: bool = True):
if self.profiler is None:
raise RuntimeError("Profiling is not enabled.")
raise RuntimeError(
"Profiling is not enabled. Please set --profiler-config to enable "
"profiling. Example: "
"'--profiler-config.profiler=torch --profiler-config.torch_profiler_dir"
"=YOUR_DIR_PATH_TO_DUMP_TRACE'"
)
if is_start:
self.profiler.start()
else: