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main/server: Add --debug-hang (#14371)

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Add an option to debug a hang with ctrl-C, dumping the backtraces to
see where its stuck or slow.
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rattus
2026-06-09 09:55:00 -04:00
committed by GitHub
parent 8ed7f458d0
commit 1639dc7a70
3 changed files with 25 additions and 1 deletions
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comfy/cli_args.py
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@@ -166,6 +166,8 @@ class PerformanceFeature(enum.Enum):
parser.add_argument("--fast", nargs="*", type=PerformanceFeature, help="Enable some untested and potentially quality deteriorating optimizations. This is used to test new features so using it might crash your comfyui. --fast with no arguments enables everything. You can pass a list specific optimizations if you only want to enable specific ones. Current valid optimizations: {}".format(" ".join(map(lambda c: c.value, PerformanceFeature))))
parser.add_argument("--debug-hang", action="store_true", help="Enable stack trace dumps on Ctrl-C for debugging hangs.")
parser.add_argument("--disable-pinned-memory", action="store_true", help="Disable pinned memory use.")
parser.add_argument("--mmap-torch-files", action="store_true", help="Use mmap when loading ckpt/pt files.")