[issue19816] test.regrtest: use tracemalloc to detect memory leaks?
STINNER Victor
report at bugs.python.org
Thu Jul 10 22:30:56 CEST 2014
STINNER Victor added the comment:
> The problem is snapshots will by themselves create allocation noise: you cannot really use tracemalloc to detect leaks, only to diagnose the leaks you have detected.
It's trivial to ignore allocations done in the tracemalloc module. My work-in-progress patch uses for example these filters:
tracemalloc_filters = [
tracemalloc.Filter(False, '<frozen importlib._bootstrap>', all_frames=True),
tracemalloc.Filter(False, tracemalloc.__file__, all_frames=True),
]
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<http://bugs.python.org/issue19816>
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