Merge 3.5

This commit is contained in:
Victor Stinner 2016-12-30 02:15:29 +01:00
commit 771cf898f4
2 changed files with 14 additions and 13 deletions

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@ -66,7 +66,7 @@ Example of output of the Python test suite::
<string>:5: size=49.7 KiB, count=148, average=344 B
/usr/lib/python3.4/sysconfig.py:411: size=48.0 KiB, count=1, average=48.0 KiB
We can see that Python loaded ``4.8 MiB`` data (bytecode and constants) from
We can see that Python loaded ``4855 KiB`` data (bytecode and constants) from
modules and that the :mod:`collections` module allocated ``244 KiB`` to build
:class:`~collections.namedtuple` types.
@ -106,8 +106,8 @@ Example of output before/after running some tests of the Python test suite::
/usr/lib/python3.4/urllib/parse.py:476: size=71.8 KiB (+71.8 KiB), count=969 (+969), average=76 B
/usr/lib/python3.4/contextlib.py:38: size=67.2 KiB (+67.2 KiB), count=126 (+126), average=546 B
We can see that Python has loaded ``8.2 MiB`` of module data (bytecode and
constants), and that this is ``4.4 MiB`` more than had been loaded before the
We can see that Python has loaded ``8173 KiB`` of module data (bytecode and
constants), and that this is ``4428 KiB`` more than had been loaded before the
tests, when the previous snapshot was taken. Similarly, the :mod:`linecache`
module has cached ``940 KiB`` of Python source code to format tracebacks, all
of it since the previous snapshot.
@ -176,7 +176,7 @@ Example of output of the Python test suite (traceback limited to 25 frames)::
"__main__", fname, loader, pkg_name)
We can see that the most memory was allocated in the :mod:`importlib` module to
load data (bytecode and constants) from modules: ``870 KiB``. The traceback is
load data (bytecode and constants) from modules: ``870.1 KiB``. The traceback is
where the :mod:`importlib` loaded data most recently: on the ``import pdb``
line of the :mod:`doctest` module. The traceback may change if a new module is
loaded.
@ -192,12 +192,12 @@ ignoring ``<frozen importlib._bootstrap>`` and ``<unknown>`` files::
import os
import tracemalloc
def display_top(snapshot, group_by='lineno', limit=10):
def display_top(snapshot, key_type='lineno', limit=10):
snapshot = snapshot.filter_traces((
tracemalloc.Filter(False, "<frozen importlib._bootstrap>"),
tracemalloc.Filter(False, "<unknown>"),
))
top_stats = snapshot.statistics(group_by)
top_stats = snapshot.statistics(key_type)
print("Top %s lines" % limit)
for index, stat in enumerate(top_stats[:limit], 1):
@ -468,12 +468,12 @@ Snapshot
The :func:`take_snapshot` function creates a snapshot instance.
.. method:: compare_to(old_snapshot: Snapshot, group_by: str, cumulative: bool=False)
.. method:: compare_to(old_snapshot: Snapshot, key_type: str, cumulative: bool=False)
Compute the differences with an old snapshot. Get statistics as a sorted
list of :class:`StatisticDiff` instances grouped by *group_by*.
list of :class:`StatisticDiff` instances grouped by *key_type*.
See the :meth:`Snapshot.statistics` method for *group_by* and *cumulative*
See the :meth:`Snapshot.statistics` method for *key_type* and *cumulative*
parameters.
The result is sorted from the biggest to the smallest by: absolute value
@ -511,13 +511,13 @@ Snapshot
See also :meth:`dump`.
.. method:: statistics(group_by: str, cumulative: bool=False)
.. method:: statistics(key_type: str, cumulative: bool=False)
Get statistics as a sorted list of :class:`Statistic` instances grouped
by *group_by*:
by *key_type*:
===================== ========================
group_by description
key_type description
===================== ========================
``'filename'`` filename
``'lineno'`` filename and line number
@ -526,7 +526,7 @@ Snapshot
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.
The cumulative mode can only be used with *group_by* equals to
The cumulative mode can only be used with *key_type* equals to
``'filename'`` and ``'lineno'``.
The result is sorted from the biggest to the smallest by:

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@ -1141,6 +1141,7 @@ Alecsandru Patrascu
Randy Pausch
Samuele Pedroni
Justin Peel
Loic Pefferkorn
Marcel van der Peijl
Berker Peksag
Andreas Pelme