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Add --prioritize to regrtest #132678
Description
From the added help:
--prioritize TEST1,TEST2,...
select these tests first, even if the order is randomized.
--prioritize is used to influence the order of selected tests, such that
the tests listed as an argument are executed first. This is especially
useful when combined with -j and -r to pin the longest-running tests
to start at the beginning of a test run. Pass --prioritize=test_a,test_b
to make test_a run first, followed by test_b, and then the other tests.
If test_a wasn't selected for execution by regular means, --prioritize will
not make it execute.
This is useful in general, but in particular for bigmem tests on buildbots where test_bigmem, test_lzma, and test_bz2 can take over 30 minutes each. Guaranteeing that the test run starts with those shortens the overall runtime of tests, which is otherwise pretty unpredictable due to -r.
Activity
pythongh-132678: Add --prioritize to regrtest
ambv commentedon Apr 18, 2025
--start-withwould be a slightly better name, but there's already--startthat means something else entirely, so I opted for--prioritize, which is clear as well and very different from--start.gh-132678: Add --prioritize to regrtest (GH-132679)
ambv commentedon Apr 18, 2025
We won't be backporting this.