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Issue #18874: allow to call tracemalloc.Snapshot.statistics(cumulative=True)

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with traceback_limit=1
This commit is contained in:
Victor Stinner 2013-11-26 00:45:47 +01:00
parent 00773df9f3
commit 8e3708d88b
2 changed files with 1 additions and 6 deletions
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3
Doc/library/tracemalloc.rst
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@ -479,8 +479,7 @@ Snapshot
If *cumulative* is ``True``, cumulate size and count of memory blocks of If *cumulative* is ``True``, cumulate size and count of memory blocks of
all frames of the traceback of a trace, not only the most recent frame. all frames of the traceback of a trace, not only the most recent frame.
The cumulative mode can only be used with *group_by* equals to The cumulative mode can only be used with *group_by* equals to
``'filename'`` and ``'lineno'`` and :attr:`traceback_limit` greater than ``'filename'`` and ``'lineno'``.
``1``.
The result is sorted from the biggest to the smallest by: The result is sorted from the biggest to the smallest by:
:attr:`Statistic.size`, :attr:`Statistic.count` and then by :attr:`Statistic.size`, :attr:`Statistic.count` and then by

4
Lib/tracemalloc.py
View file

@ -380,10 +380,6 @@ class Snapshot:
if cumulative and key_type not in ('lineno', 'filename'): if cumulative and key_type not in ('lineno', 'filename'):
raise ValueError("cumulative mode cannot by used " raise ValueError("cumulative mode cannot by used "
"with key type %r" % key_type) "with key type %r" % key_type)
if cumulative and self.traceback_limit < 2:
raise ValueError("cumulative mode needs tracebacks with at least "
"2 frames, traceback limit is %s"
% self.traceback_limit)
stats = {} stats = {}
tracebacks = {} tracebacks = {}