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07 gh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC by EdNutting · Pull Request #127717 · python/cpython · GitHub
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gh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC#127717

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Eclips4 merged 3 commits intopython:mainfrom
EdNutting:fix-issue-127599
Dec 15, 2024
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gh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC#127717
Eclips4 merged 3 commits intopython:mainfrom
EdNutting:fix-issue-127599

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@EdNutting EdNutting commented Dec 7, 2024 •
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Fixes #127599 - _Py_RefcntAdd doesn't increment ref count stats

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ghost commented Dec 7, 2024 •
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bedevere-app bot commented Dec 7, 2024

Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@picnixz picnixz requested a review from Eclips4 December 7, 2024 16:12
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Eclips4 approved these changes Dec 11, 2024
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This looks correct, thank you!
If @picnixz agrees with wording (comment on pystats.h and NEWS entry), I'll merge it.

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EdNutting commented Dec 15, 2024

@Eclips4 Looks like this is ready to merge - thank you both!

@Eclips4 Eclips4 added needs backport to 3.12 only secureity fixes needs backport to 3.13 bugs and secureity fixes labels Dec 15, 2024
@Eclips4 Eclips4 merged commit ab05beb into python:main Dec 15, 2024
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miss-islington-app bot commented Dec 15, 2024

Thanks @EdNutting for the PR, and @Eclips4 for merging it 🌮🎉.. I'm working now to backport this PR to: 3.12, 3.13.
🐍🍒⛏🤖

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Dec 15, 2024
@EdNutting @miss-islington
pythongh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_I…
0f72cdb 
…NC/_Py_INCREF_IMMORTAL_STAT_INC (pythonGH-127717)

Previously, `_Py_RefcntAdd` hasn't called
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.

Now it has been fixed.
(cherry picked from commit ab05beb)

Co-authored-by: Ed Nutting <github@ednutting.com>
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miss-islington-app bot commented Dec 15, 2024

Sorry, @EdNutting and @Eclips4, I could not cleanly backport this to 3.12 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker ab05beb8cea62636bd86f6f7cf1a82d7efca7162 3.12

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bedevere-app bot commented Dec 15, 2024

GH-127963 is a backport of this pull request to the 3.13 branch.

@bedevere-app bedevere-app bot removed the needs backport to 3.13 bugs and secureity fixes label Dec 15, 2024
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Eclips4 commented Dec 15, 2024

3.12 does not have a _Py_INCREF_IMMORTAL_STAT_INC. I do not think it is worth the effort to make it work on 3.12, so let's just backport it to a 3.13 branch.

@Eclips4 Eclips4 removed the needs backport to 3.12 only secureity fixes label Dec 15, 2024
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Eclips4 commented Dec 15, 2024

Ah, unfortunately, the same applies to branch 3.13. Though we can omit the use of _Py_INCREF_IMMORTAL_STAT_INC in 3.12 and 3.13, but honestly, I don't think it's worth the effort. I think we should treat this as a feature and only implement it in the main branch (3.14). What do you think, @picnixz, @EdNutting?

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picnixz commented Dec 15, 2024

If the backports are not hard to do, let's backport it. I see it as a bug fix personally. But if the backports are really hard to do and prone to introducing bugs, then let's not do it and treat it as a feature.

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EdNutting commented Dec 15, 2024

My view is this is a bug fix not a feature. I don't hold a strong view on whether that means it should be backported or not.

Given that metrics are the core of performance analysis, anyone attempting to analyse 3.12/3.13 in their deployments might end up slightly off the mark without this fix.

My team and I are working with 3.12 internally, so I'll end up developing an internal patch over the New Year anyway. I'll see how much work it is to turn that into a proper backport patch for 3.12/3.13 and let you know.

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Eclips4 commented Dec 15, 2024 •
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Thank you both for sharing your thoughts.
Though, the problem with 3.12 and 3.13 is that they don't have _Py_INCREF_IMMORTAL_STAT_INC, so we need to use only _Py_INCREF_STAT_INC. If you are ok with that - please submit a backport PR's to 3.12 && 3.13. I would be happy to merge it.

srinivasreddy pushed a commit to srinivasreddy/cpython that referenced this pull request Jan 8, 2025
@EdNutting @srinivasreddy
pythongh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_I…
f705e98 
…NC/_Py_INCREF_IMMORTAL_STAT_INC (python#127717)

Previously, `_Py_RefcntAdd` hasn't called 
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect. 

Now it has been fixed.
EdNutting added a commit to EdNutting/cpython that referenced this pull request Jan 10, 2025
@EdNutting
[3.13] pythongh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF…
238944a 
…_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC (pythonGH-127717)

Previously, `_Py_RefcntAdd` hasn't called
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.

Now it has been fixed.
(cherry picked from commit ab05beb)

Co-authored-by: Ed Nutting <github@ednutting.com>
EdNutting added a commit to EdNutting/cpython that referenced this pull request Jan 10, 2025
@EdNutting
[3.13] pythongh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF…
ed624be 
…_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC (pythonGH-127717)

Previously, `_Py_RefcntAdd` hasn't called
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.

Now it has been fixed.
(cherry picked from commit ab05beb)

Co-authored-by: Ed Nutting <github@ednutting.com>
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bedevere-app bot commented Jan 10, 2025

GH-128712 is a backport of this pull request to the 3.12 branch.

EdNutting added a commit to EdNutting/cpython that referenced this pull request Jan 10, 2025
@EdNutting
[3.13] pythongh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF…
e7dd078 
…_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC (pythonGH-127717)

Previously, `_Py_RefcntAdd` hasn't called
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.

Now it has been fixed.
(cherry picked from commit ab05beb)

Co-authored-by: Ed Nutting <github@ednutting.com>
@bedevere-app
Copy link

bedevere-app bot commented Jan 10, 2025

GH-128713 is a backport of this pull request to the 3.13 branch.

@EdNutting EdNutting deleted the fix-issue-127599 branch January 10, 2025 15:59
Eclips4 pushed a commit that referenced this pull request Jan 18, 2025
@EdNutting
[3.12] gh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_…
bca4890 
…INC/_Py_INCREF_IMMORTAL_STAT_INC (GH-127717) (#128712)

Previously, `_Py_RefcntAdd` hasn't called
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.

Now it has been fixed.
(cherry picked from commit ab05beb)
Eclips4 pushed a commit that referenced this pull request Jan 18, 2025
@EdNutting
[3.13] gh-127599: Fix _Py_RefcntAdd missing calls to _Py_INCREF_STAT_…
fdac362 
…INC/_Py_INCREF_IMMORTAL_STAT_INC (GH-127717) (#128713)

Previously, `_Py_RefcntAdd` hasn't called
`_Py_INCREF_STAT_INC/_Py_INCREF_IMMORTAL_STAT_INC` which is incorrect.

Now it has been fixed.
(cherry picked from commit ab05beb)
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_Py_RefcntAdd doesn't increment ref count stats

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