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bpo-34861: Make cumtime the default sorting key for cProfile (GH-31929)

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Daniël van Noord 2022-03-30 13:10:10 +02:00 committed by GitHub
parent 6881ea936e
commit 75eee1d57e
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3 changed files with 13 additions and 11 deletions
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21
Doc/library/profile.rst
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@ -66,22 +66,23 @@ your system.)
The above action would run :func:`re.compile` and print profile results like
the following::
197 function calls (192 primitive calls) in 0.002 seconds
214 function calls (207 primitive calls) in 0.002 seconds
Ordered by: standard name
Ordered by: cumulative time
ncalls tottime percall cumtime percall filename:lineno(function)
1 0.000 0.000 0.002 0.002 {built-in method builtins.exec}
1 0.000 0.000 0.001 0.001 <string>:1(<module>)
1 0.000 0.000 0.001 0.001 re.py:212(compile)
1 0.000 0.000 0.001 0.001 re.py:268(_compile)
1 0.000 0.000 0.000 0.000 sre_compile.py:172(_compile_charset)
1 0.000 0.000 0.000 0.000 sre_compile.py:201(_optimize_charset)
4 0.000 0.000 0.000 0.000 sre_compile.py:25(_identityfunction)
3/1 0.000 0.000 0.000 0.000 sre_compile.py:33(_compile)
1 0.000 0.000 0.001 0.001 re.py:250(compile)
1 0.000 0.000 0.001 0.001 re.py:289(_compile)
1 0.000 0.000 0.000 0.000 sre_compile.py:759(compile)
1 0.000 0.000 0.000 0.000 sre_parse.py:937(parse)
1 0.000 0.000 0.000 0.000 sre_compile.py:598(_code)
1 0.000 0.000 0.000 0.000 sre_parse.py:435(_parse_sub)
The first line indicates that 197 calls were monitored. Of those calls, 192
The first line indicates that 214 calls were monitored. Of those calls, 207
were :dfn:`primitive`, meaning that the call was not induced via recursion. The
next line: ``Ordered by: standard name``, indicates that the text string in the
next line: ``Ordered by: cumulative name``, indicates that the text string in the
far right column was used to sort the output. The column headings include:
ncalls

2
Lib/cProfile.py
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@ -140,7 +140,7 @@ def main():
help="Save stats to <outfile>", default=None)
parser.add_option('-s', '--sort', dest="sort",
help="Sort order when printing to stdout, based on pstats.Stats class",
default=-1,
default=2,
choices=sorted(pstats.Stats.sort_arg_dict_default))
parser.add_option('-m', dest="module", action="store_true",
help="Profile a library module", default=False)

1
Misc/NEWS.d/next/Library/2022-03-16-08-49-12.bpo-34861.p8ugVg.rst Normal file
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@ -0,0 +1 @@
Made cumtime the default sorting key for cProfile