show the effective count of process when running the testsuite

[florentx]

BPO	18376
Nosy	@pitrou, @ezio-melotti, @florentx, @za
Files	issue18376_regrtest_count_processes.diff

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2013-07-06.10:42:17.871>
labels = ['easy', 'type-feature', 'tests', '3.11']
title = 'show the effective count of process when running the testsuite'
updated_at = <Date 2021-10-13.03:06:57.397>
user = 'https://github.com/florentx'

bugs.python.org fields:

activity = <Date 2021-10-13.03:06:57.397>
actor = 'za'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Tests']
creation = <Date 2013-07-06.10:42:17.871>
creator = 'flox'
dependencies = []
files = ['30798']
hgrepos = []
issue_num = 18376
keywords = ['easy']
message_count = 3.0
messages = ['192408', '193686', '403790']
nosy_count = 4.0
nosy_names = ['pitrou', 'ezio.melotti', 'flox', 'za']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue18376'
versions = ['Python 3.11']

[florentx]

It would be useful to display the number of processes used to run the test suite.

(some buildbots have multiple -j on the command line, and it is unclear which one is effective)

Proposal (on the third line):

== CPython 3.4.0a0 (default:6d278f426417, Jul 6 2013, 10:20:02) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
== Darwin-10.8.0-x86_64-i386-64bit little-endian
== /Volumes/DATA/pydev/cpython/build/test_python_56822 (1 process)
Testing with flags: sys.flags(debug=0, inspect=0, interactive=0, optimize=0, dont_write_bytecode=0, no_user_site=0, no_site=0, ignore_environment=1, verbose=0, bytes_warning=2, quiet=0, hash_randomization=1)
Using random seed 9023960
[ 1/375] test_epoll
[ 2/375] test_tokenize
...

== CPython 3.4.0a0 (default:6d278f426417, Jul 6 2013, 10:20:02) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
== Darwin-10.8.0-x86_64-i386-64bit little-endian
== /Volumes/DATA/pydev/cpython/build/test_python_56826 (4 processes)
Testing with flags: sys.flags(debug=0, inspect=0, interactive=0, optimize=0, dont_write_bytecode=0, no_user_site=0, no_site=0, ignore_environment=1, verbose=0, bytes_warning=2, quiet=0, hash_randomization=1)
Using random seed 9023960
[ 1/375] test_epoll
[ 2/375] test_tokenize
...

[ezio-melotti]

LGTM.
This could go in 2.7 and 3.3 too IMHO.

[za]

The patch seems outdated. Is the ticket still relevant?

[furkanonder]

When we run the test suite, we can see the number of processes. Since no additional development is required, we can close the issue.

$ ./python ./Lib/test/regrtest.py -j 10                    
== CPython 3.12.0a7+ (heads/main:a28e2ce3fb, Apr 26 2023, 00:59:17) [GCC 12.2.1 20230201]
== Linux-6.2.12-arch1-1-x86_64-with-glibc2.37 little-endian
== Python build: release
== cwd: /home/arf/cpython/build/test_python_169293æ
== CPU count: 16
== encodings: locale=UTF-8, FS=utf-8
0:00:00 load avg: 2.50 Run tests in parallel using 10 child processes
0:00:00 load avg: 2.50 [  1/433] test_opcodes passed
0:00:00 load avg: 2.50 [  2/433] test_doctest2 passed
0:00:00 load avg: 2.50 [  3/433] test_grammar passed
0:00:00 load avg: 2.50 [  4/433] test_types passed
0:00:00 load avg: 2.50 [  5/433] test___future__ passed
0:00:00 load avg: 2.50 [  6/433] test__locale passed