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Mention the new tracemalloc module in the What's New in Python 3.4 document

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Victor Stinner 2013-11-25 09:40:27 +01:00
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Doc/whatsnew/3.4.rst
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@ -97,6 +97,7 @@ New library modules:
* :mod:`selectors`: High-level and efficient I/O multiplexing, built upon the * :mod:`selectors`: High-level and efficient I/O multiplexing, built upon the
:mod:`select` module primitives. :mod:`select` module primitives.
* :mod:`statistics`: A basic numerically stable statistics library (:pep:`450`). * :mod:`statistics`: A basic numerically stable statistics library (:pep:`450`).
* :mod:`tracemalloc`: Trace Python memory allocations (:pep:`454`).
New expected features for Python implementations: New expected features for Python implementations:
@ -400,6 +401,23 @@ deviation of a data series.
PEP written and implemented by Steven D'Aprano PEP written and implemented by Steven D'Aprano
tracemalloc
-----------
The new :mod:`tracemalloc` module (defined in :pep:`454`) is a debug tool to
trace memory blocks allocated by Python. It provides the following information:
* Traceback where an object was allocated
* Statistics on allocated memory blocks per filename and per line number:
total size, number and average size of allocated memory blocks
* Compute the differences between two snapshots to detect memory leaks
.. seealso::
:pep:`454` - Add a new tracemalloc module to trace Python memory allocations
PEP written and implemented by Victor Stinner
Improved Modules Improved Modules
================ ================