Mercurial > hg
view mercurial/utils/memorytop.py @ 49742:30eb36d93072
path: use `get_clone_path_obj` in _getlocal
We don't need to feed the `path` object to a `peer` object, but using an higher
level function is simpler here (e.g. no subscript access, explicit attribute
access).
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Fri, 02 Dec 2022 16:36:43 +0100 |
parents | 5b6c0af021da |
children |
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# memorytop requires Python 3.4 # # Usage: set PYTHONTRACEMALLOC=n in the environment of the hg invocation, # where n>= is the number of frames to show in the backtrace. Put calls to # memorytop in strategic places to show the current memory use by allocation # site. import gc import tracemalloc def memorytop(limit=10): gc.collect() snapshot = tracemalloc.take_snapshot() snapshot = snapshot.filter_traces( ( tracemalloc.Filter(False, "<frozen importlib._bootstrap>"), tracemalloc.Filter(False, "<frozen importlib._bootstrap_external>"), tracemalloc.Filter(False, "<unknown>"), ) ) stats = snapshot.statistics('traceback') total = sum(stat.size for stat in stats) print("\nTotal allocated size: %.1f KiB\n" % (total / 1024)) print("Lines with the biggest net allocations") for index, stat in enumerate(stats[:limit], 1): print( "#%d: %d objects using %.1f KiB" % (index, stat.count, stat.size / 1024) ) for line in stat.traceback.format(most_recent_first=True): print(' ', line) other = stats[limit:] if other: size = sum(stat.size for stat in other) count = sum(stat.count for stat in other) print( "%s other: %d objects using %.1f KiB" % (len(other), count, size / 1024) ) print()